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Weather forecast in Block Island, United States

Block Island, current weather: clear, no precipitation is expected for the next 2 hours. Air temperature +19°, feels like +18°. Wind speed 3.6 Meters per second, north-westerly. Pressure 761 millimeters of mercury. Humidity 71%. Daytime water temperature +20°. Sunrise 06:21, Sunset 19:04. This time yesterday +18°

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Block Island, United States: Hourly forecast.

  • 9 am: +19°, clear, Feels like +17°.

  • 10 am: +19°, clear, Feels like +17°.

  • 11 am: +21°, clear, Feels like +21°.

  • 12 pm: +21°, clear, Feels like +21°.

  • 1 pm: +21°, clear, Feels like +20°.

  • 2 pm: +21°, clear, Feels like +19°.

  • 3 pm: +21°, clear, Feels like +19°.

  • 4 pm: +21°, clear, Feels like +18°. Probability of precipitation 10%

  • 5 pm: +21°, clear, Feels like +18°. Probability of precipitation 10%

  • 6 pm: +20°, clear, Feels like +18°. Probability of precipitation 10%

  • 7 pm: +19°, clear, Feels like +17°. Probability of precipitation 10%

  • Sunset 10 September 07:04 pm

  • 8 pm: +19°, clear, Feels like +16°. Probability of precipitation 10%

  • 9 pm: +18°, clear, Feels like +15°.

  • 10 pm: +18°, clear, Feels like +15°.

  • 11 pm: +17°, clear, Feels like +14°.

  • Wednesday, 12 am: +17°, clear, Feels like +14°.

  • 1 am: +16°, clear, Feels like +13°.

  • 2 am: +16°, clear, Feels like +13°.

  • 3 am: +16°, mostly clear, Feels like +13°.

  • 4 am: +15°, mostly clear, Feels like +12°.

  • 5 am: +15°, mostly clear, Feels like +12°.

  • 6 am: +15°, mostly clear, Feels like +12°.

  • Sunrise 11 September 06:22 am

  • 7 am: +16°, mostly clear, Feels like +13°.

  • 8 am: +17°, mostly clear, Feels like +14°.

  • 9 am: +18°, partly cloudy, Feels like +15°.

  • 10 am: +20°, partly cloudy, Feels like +18°.

  • 11 am: +20°, overcast, Feels like +19°.

  • 12 pm: +20°, overcast, Feels like +19°.

  • 1 pm: +21°, overcast, Feels like +20°.

  • 2 pm: +21°, overcast, Feels like +20°.

  • 3 pm: +21°, overcast, Feels like +20°.

  • 4 pm: +20°, overcast, Feels like +18°.

  • 5 pm: +20°, overcast, Feels like +18°.

  • 6 pm: +19°, overcast, Feels like +17°.

  • 7 pm: +18°, overcast, Feels like +16°.

  • Sunset 11 September 07:02 pm

  • 8 pm: +18°, mostly clear, Feels like +16°.

  • 9 pm: +17°, partly cloudy, Feels like +16°.

  • 10 pm: +17°, partly cloudy, Feels like +16°.

  • 11 pm: +16°, mostly clear, Feels like +15°.

Air quality forecast

Moderate

Air quality is acceptable. Enjoy your usual outdoor activities.

  • AQI — 61
  • AQI — 61
  • AQI — 56
  • AQI — 49
  • AQI — 61
  • AQI — 54
  • AQI — 48
  • AQI — 42

Weather forecast for Today, 10 September: in the morning air temperature +19°, feels like +18°, clear, wind speed 4.8 meters per second, westerly, humidity 67%, pressure 761 millimeters of mercury; in the afternoon +21°, feels like +20°, clear, wind speed 5.6 meters per second, south-westerly, humidity 64%, pressure 760 millimeters of mercury; in the evening +19°, feels like +16°, clear, wind speed 5.1 meters per second, north-westerly, humidity 65%, pressure 761 millimeters of mercury; in the night +16°, feels like +13°, clear, wind speed 4 meters per second, northerly, humidity 59%, pressure 762 millimeters of mercury; uv index: 6, high; magnetic field: slightly active; daytime water temperature +20°; sunrise 06:21; sunset 19:04; daylight hours: 12 hr 43 min

Weather forecast for Tomorrow, 11 September: in the morning air temperature +18°, feels like +16°, partly cloudy, wind speed 3.5 meters per second, north-easterly, humidity 54%, pressure 764 millimeters of mercury; in the afternoon +21°, feels like +21°, overcast, wind speed 3 meters per second, south-easterly, humidity 51%, pressure 764 millimeters of mercury; in the evening +18°, feels like +16°, partly cloudy, wind speed 3 meters per second, southerly, humidity 64%, pressure 764 millimeters of mercury; in the night +16°, feels like +15°, mostly clear, wind speed 2.2 meters per second, south-easterly, humidity 72%, pressure 765 millimeters of mercury; uv index: 6, high; magnetic field: unsettled; daytime water temperature +20°; sunrise 06:22; sunset 19:02; daylight hours: 12 hr 40 min

Weather forecast for Thursday, 12 September: in the morning air temperature +19°, feels like +19°, mostly clear, wind speed 2.5 meters per second, south-easterly, humidity 70%, pressure 766 millimeters of mercury; in the afternoon +21°, feels like +22°, mostly clear, wind speed 3 meters per second, south-easterly, humidity 69%, pressure 766 millimeters of mercury; in the evening +18°, feels like +17°, mostly clear, wind speed 3.2 meters per second, southerly, humidity 79%, pressure 765 millimeters of mercury; in the night +17°, feels like +16°, mostly clear, wind speed 2.9 meters per second, southerly, humidity 85%, pressure 765 millimeters of mercury; uv index: 5, moderate; magnetic field: slightly active; daytime water temperature +20°; sunrise 06:23; sunset 19:01; daylight hours: 12 hr 38 min

Weather forecast for Friday, 13 September: in the morning air temperature +19°, feels like +20°, mostly clear, wind speed 2.7 meters per second, westerly, humidity 85%, pressure 765 millimeters of mercury; in the afternoon +21°, feels like +21°, partly cloudy, wind speed 4.5 meters per second, south-westerly, humidity 78%, pressure 764 millimeters of mercury; in the evening +19°, feels like +18°, overcast, wind speed 4.4 meters per second, south-westerly, humidity 84%, pressure 763 millimeters of mercury; in the night +18°, feels like +17°, clear, wind speed 4.3 meters per second, westerly, humidity 85%, pressure 764 millimeters of mercury; uv index: 5, moderate; daytime water temperature +21°; sunrise 06:24; sunset 18:59; daylight hours: 12 hr 35 min

Weather forecast for Saturday, 14 September: in the morning air temperature +20°, feels like +20°, clear, wind speed 2.9 meters per second, north-westerly, humidity 84%, pressure 765 millimeters of mercury; in the afternoon +22°, feels like +23°, mostly clear, wind speed 3.2 meters per second, south-westerly, humidity 79%, pressure 764 millimeters of mercury; in the evening +19°, feels like +19°, clear, wind speed 2.7 meters per second, southerly, humidity 86%, pressure 764 millimeters of mercury; in the night +18°, feels like +18°, clear, wind speed 2.9 meters per second, north-westerly, humidity 86%, pressure 764 millimeters of mercury; uv index: 0, low; daytime water temperature +21°; sunrise 06:25; sunset 18:57; daylight hours: 12 hr 32 min

Weather forecast for Sunday, 15 September: in the morning air temperature +20°, feels like +20°, mostly clear, wind speed 3.4 meters per second, north-easterly, humidity 82%, pressure 764 millimeters of mercury; in the afternoon +22°, feels like +22°, partly cloudy, wind speed 4.3 meters per second, southerly, humidity 80%, pressure 764 millimeters of mercury; in the evening +18°, feels like +17°, clear, wind speed 4 meters per second, southerly, humidity 84%, pressure 764 millimeters of mercury; in the night +18°, feels like +17°, clear, wind speed 3.5 meters per second, southerly, humidity 86%, pressure 764 millimeters of mercury; daytime water temperature +21°; sunrise 06:26; sunset 18:56; daylight hours: 12 hr 30 min

Weather forecast for Monday, 16 September: in the morning air temperature +20°, feels like +19°, mostly clear, wind speed 4.8 meters per second, easterly, humidity 80%, pressure 765 millimeters of mercury; in the afternoon +21°, feels like +20°, mostly clear, wind speed 5 meters per second, south-easterly, humidity 77%, pressure 764 millimeters of mercury; in the evening +18°, feels like +17°, clear, wind speed 4.5 meters per second, south-easterly, humidity 84%, pressure 763 millimeters of mercury; in the night +18°, feels like +16°, partly cloudy, wind speed 5.4 meters per second, easterly, humidity 86%, pressure 763 millimeters of mercury; daytime water temperature +21°; sunrise 06:27; sunset 18:54; daylight hours: 12 hr 27 min

Weather forecast for Tuesday, 17 September: in the morning air temperature +21°, feels like +20°, overcast, wind speed 5.5 meters per second, south-easterly, humidity 80%, pressure 763 millimeters of mercury; in the afternoon +22°, feels like +20°, overcast, wind speed 7.3 meters per second, south-easterly, humidity 77%, pressure 762 millimeters of mercury; in the evening +19°, feels like +16°, overcast, wind speed 7.4 meters per second, south-easterly, humidity 84%, pressure 760 millimeters of mercury; in the night +19°, feels like +16°, light rain, wind speed 7.1 meters per second, south-easterly, humidity 86%, pressure 760 millimeters of mercury; daytime water temperature +21°; sunrise 06:28; sunset 18:52; daylight hours: 12 hr 24 min

Weather forecast for Wednesday, 18 September: in the morning air temperature +21°, feels like +19°, heavy rain, wind speed 6.6 meters per second, south-easterly, humidity 82%, pressure 760 millimeters of mercury; in the afternoon +22°, feels like +21°, heavy rain, wind speed 5.4 meters per second, southerly, humidity 77%, pressure 761 millimeters of mercury; in the evening +20°, feels like +19°, rain, wind speed 5.5 meters per second, southerly, humidity 87%, pressure 760 millimeters of mercury; in the night +19°, feels like +18°, light rain, wind speed 5.5 meters per second, southerly, humidity 91%, pressure 761 millimeters of mercury; daytime water temperature +22°; sunrise 06:29; sunset 18:50; daylight hours: 12 hr 21 min

Weather forecast for Thursday, 19 September: in the morning air temperature +20°, feels like +15°, light rain, wind speed 11.1 meters per second, easterly, humidity 86%, pressure 761 millimeters of mercury; in the afternoon +20°, feels like +14°, light rain, wind speed 11.3 meters per second, north-easterly, humidity 84%, pressure 760 millimeters of mercury; in the evening +17°, feels like +12°, partly cloudy, wind speed 9.5 meters per second, easterly, humidity 85%, pressure 761 millimeters of mercury; in the night +17°, feels like +12°, partly cloudy, wind speed 9.1 meters per second, north-easterly, humidity 86%, pressure 760 millimeters of mercury; daytime water temperature +23°; sunrise 06:30; sunset 18:49; daylight hours: 12 hr 19 min

Weather forecast Block Island, United States for the next month

Get the weather forecast for the next 30 days, including september and october. There's a separate page where you can view the daytime and nighttime air temperature, precipitation, the number of sunny days, air pressure, and humidity.

View the monthly weather forecast

Weather in Block Island — FAQ

What is the weather today in Block Island?

The weather in Block Island today: clear, with an air temperature of +20°.

What will the weather in Block Island be like tomorrow?

The weather in Block Island tomorrow: partly cloudy, with an air temperature of +19°.

What is the usual weather in Block Island in September?

In September, the weather in Block Island is usually partly cloudy, with an average air temperature of +20°.

What is the air pollution level in Block Island right now?

The air pollution level in Block Island is currently low, measuring 61.

What is the coldest month in Block Island?

The coldest month in Block Island is February, with an average air temperature of +3°.

What is the hottest month in Block Island?

The hottest month in Block Island is August, with an average air temperature of +23°.

Discover Block Island's weather update: +19° now, reaching a high of +21° and a low of +18°. Prepare for the day ahead with our reliable forecast, ensuring you're ready for any temperature changes. Whether you're indoors or outdoors, stay in the know about Block Island's weather conditions.

Weather forecast for today: +18⁠…⁠+21⁠° · clear, no precipitation · light winds at 4⁠–⁠5 m⁠/⁠s. Weather forecast for the week: +21⁠…⁠+22⁠° · clear, no precipitation · light winds at 4 m⁠/⁠s. Weather forecast for the weekend: +22⁠° · clear, no precipitation · light winds at 4 m⁠/⁠s. Weather forecast for tomorrow: +15⁠…⁠+21⁠° · partly cloudy, no precipitation · light winds at 2⁠–⁠3 m⁠/⁠s

Weather forecast for Today, 10 September: in the morning air temperature +19°, feels like +18°, clear, wind speed 4.8 meters per second, westerly, humidity 67%, pressure 761 millimeters of mercury; in the afternoon +21°, feels like +20°, clear, wind speed 5.6 meters per second, south-westerly, humidity 64%, pressure 760 millimeters of mercury; in the evening +19°, feels like +16°, clear, wind speed 5.1 meters per second, north-westerly, humidity 65%, pressure 761 millimeters of mercury; in the night +16°, feels like +13°, clear, wind speed 4 meters per second, northerly, humidity 59%, pressure 762 millimeters of mercury; uv index: 6, high; magnetic field: slightly active; daytime water temperature +20°; sunrise 06:21; sunset 19:04; daylight hours: 12 hr 43 min

Weather forecast for Tomorrow, 11 September: in the morning air temperature +18°, feels like +16°, partly cloudy, wind speed 3.5 meters per second, north-easterly, humidity 54%, pressure 764 millimeters of mercury; in the afternoon +21°, feels like +21°, overcast, wind speed 3 meters per second, south-easterly, humidity 51%, pressure 764 millimeters of mercury; in the evening +18°, feels like +16°, partly cloudy, wind speed 3 meters per second, southerly, humidity 64%, pressure 764 millimeters of mercury; in the night +16°, feels like +15°, mostly clear, wind speed 2.2 meters per second, south-easterly, humidity 72%, pressure 765 millimeters of mercury; uv index: 6, high; magnetic field: unsettled; daytime water temperature +20°; sunrise 06:22; sunset 19:02; daylight hours: 12 hr 40 min