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Weather forecast in Boulder, United States

Boulder, current weather: clear, no precipitation is expected for the next 2 hours. Air temperature +9°, feels like +4°. Wind speed 3.1 Meters per second, south-westerly. Pressure 615 millimeters of mercury. Humidity 31%. Sunrise 07:07, Sunset 19:10. This time yesterday +14°

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Boulder, United States: Hourly forecast.

  • 8 am: +9°, mostly clear, Feels like +2°.

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

  • 10 am: +15°, mostly clear, Feels like +7°.

  • 11 am: +16°, mostly clear, Feels like +8°.

  • 12 pm: +16°, mostly clear, Feels like +7°.

  • 1 pm: +16°, partly cloudy, Feels like +7°.

  • 2 pm: +15°, partly cloudy, Feels like +5°. Probability of precipitation 10%

  • 3 pm: +14°, partly cloudy, Feels like +4°.

  • 4 pm: +12°, overcast, Feels like +2°.

  • 5 pm: +10°, overcast, Feels like 0°.

  • 6 pm: +8°, overcast, Feels like 0°.

  • 7 pm: +6°, overcast, Feels like -3°.

  • Sunset 18 March 07:10 pm

  • 8 pm: +6°, overcast, Feels like -2°.

  • 9 pm: +5°, light snow, Feels like -2°. Probability of precipitation 20%

  • 10 pm: +3°, overcast, Feels like -5°.

  • 11 pm: +2°, overcast, Feels like -5°.

  • Wednesday, 12 am: +2°, overcast, Feels like -4°.

  • 1 am: +2°, overcast, Feels like -5°.

  • 2 am: +1°, overcast, Feels like -6°.

  • 3 am: +1°, overcast, Feels like -6°.

  • 4 am: +1°, overcast, Feels like -6°.

  • 5 am: 0°, overcast, Feels like -6°.

  • 6 am: +1°, overcast, Feels like -6°.

  • 7 am: 0°, overcast, Feels like -6°.

  • Sunrise 19 March 07:06 am

  • 8 am: 0°, overcast, Feels like -5°.

  • 9 am: +2°, partly cloudy, Feels like -3°.

  • 10 am: +4°, partly cloudy, Feels like -3°.

  • 11 am: +5°, partly cloudy, Feels like -3°.

  • 12 pm: +5°, overcast, Feels like -2°.

  • 1 pm: +6°, overcast, Feels like -1°.

  • 2 pm: +6°, overcast, Feels like -1°.

  • 3 pm: +6°, overcast, Feels like -1°.

  • 4 pm: +6°, overcast, Feels like -2°.

  • 5 pm: +6°, mostly clear, Feels like -2°.

  • 6 pm: +5°, partly cloudy, Feels like -3°.

  • 7 pm: +3°, mostly clear, Feels like -4°.

  • Sunset 19 March 07:11 pm

  • 8 pm: +2°, mostly clear, Feels like -5°.

  • 9 pm: +1°, clear, Feels like -6°.

  • 10 pm: +1°, clear, Feels like -6°.

  • 11 pm: 0°, clear, Feels like -8°.

Air quality forecast

Good

The air quality is good. Enjoy your usual outdoor activities.

  • AQI — 43
  • AQI — 38
  • AQI — 36
  • AQI — 44
  • AQI — 74
  • AQI — 74
  • AQI — 47
  • AQI — 41

Weather forecast for Today, 18 March: in the morning air temperature +11°, feels like +3°, mostly clear, wind speed 8.6 meters per second, westerly, humidity 27%, pressure 615 millimeters of mercury; in the afternoon +14°, feels like +5°, partly cloudy, wind speed 10.5 meters per second, westerly, humidity 23%, pressure 614 millimeters of mercury; in the evening +6°, feels like −3°, light snow, wind speed 8.8 meters per second, north-westerly, humidity 44%, pressure 613 millimeters of mercury; in the night +2°, feels like −6°, overcast, wind speed 6.9 meters per second, northerly, humidity 50%, pressure 616 millimeters of mercury; uv index: 5, moderate; magnetic field: quiet; sunrise 7:07 am; sunset 7:10 pm; daylight hours: 12 hr 3 min

Weather forecast for Tomorrow, 19 March: in the morning air temperature +2°, feels like −5°, overcast, wind speed 6.6 meters per second, north-westerly, humidity 42%, pressure 622 millimeters of mercury; in the afternoon +6°, feels like −1°, overcast, wind speed 6.8 meters per second, north-westerly, humidity 25%, pressure 625 millimeters of mercury; in the evening +3°, feels like −5°, mostly clear, wind speed 7 meters per second, westerly, humidity 34%, pressure 625 millimeters of mercury; in the night 0°, feels like −8°, mostly clear, wind speed 7.1 meters per second, westerly, humidity 35%, pressure 624 millimeters of mercury; uv index: 4, moderate; magnetic field: quiet; daytime water temperature +5°; sunrise 7:06 am; sunset 7:11 pm; daylight hours: 12 hr 5 min

Weather forecast for Thursday, 20 March: in the morning air temperature +3°, feels like −4°, partly cloudy, wind speed 5.1 meters per second, westerly, humidity 25%, pressure 621 millimeters of mercury; in the afternoon +13°, feels like +5°, partly cloudy, wind speed 8.1 meters per second, westerly, humidity 16%, pressure 620 millimeters of mercury; in the evening +9°, feels like +1°, overcast, wind speed 7.5 meters per second, westerly, humidity 24%, pressure 616 millimeters of mercury; in the night +4°, feels like −4°, overcast, wind speed 7.5 meters per second, westerly, humidity 39%, pressure 616 millimeters of mercury; uv index: 5, moderate; magnetic field: quiet; daytime water temperature +6°; sunrise 7:04 am; sunset 7:12 pm; daylight hours: 12 hr 8 min

Weather forecast for Friday, 21 March: in the morning air temperature +2°, feels like −8°, partly cloudy, wind speed 10.3 meters per second, westerly, humidity 41%, pressure 630 millimeters of mercury; in the afternoon +10°, feels like +1°, overcast, wind speed 10 meters per second, westerly, humidity 21%, pressure 633 millimeters of mercury; in the evening +8°, feels like +1°, partly cloudy, wind speed 5.1 meters per second, westerly, humidity 32%, pressure 631 millimeters of mercury; in the night +4°, feels like −3°, partly cloudy, wind speed 5.5 meters per second, westerly, humidity 45%, pressure 629 millimeters of mercury; uv index: 5, moderate; daytime water temperature +7°; sunrise 7:03 am; sunset 7:13 pm; daylight hours: 12 hr 10 min

Weather forecast for Saturday, 22 March: in the morning air temperature +6°, feels like −1°, overcast, wind speed 6.5 meters per second, westerly, humidity 43%, pressure 625 millimeters of mercury; in the afternoon +15°, feels like +4°, overcast, wind speed 11.5 meters per second, westerly, humidity 24%, pressure 627 millimeters of mercury; in the evening +12°, feels like +1°, overcast, wind speed 12.1 meters per second, westerly, humidity 34%, pressure 625 millimeters of mercury; in the night +7°, feels like −1°, overcast, wind speed 8.3 meters per second, westerly, humidity 43%, pressure 627 millimeters of mercury; uv index: 0, low; daytime water temperature +9°; sunrise 7:01 am; sunset 7:14 pm; daylight hours: 12 hr 13 min

Weather forecast for Sunday, 23 March: in the morning air temperature +5°, feels like −3°, partly cloudy, wind speed 6.8 meters per second, westerly, humidity 40%, pressure 631 millimeters of mercury; in the afternoon +12°, feels like +2°, partly cloudy, wind speed 10 meters per second, westerly, humidity 16%, pressure 633 millimeters of mercury; in the evening +10°, feels like +2°, overcast, wind speed 7.6 meters per second, westerly, humidity 26%, pressure 632 millimeters of mercury; in the night +7°, feels like 0°, overcast, wind speed 6.4 meters per second, westerly, humidity 41%, pressure 631 millimeters of mercury; daytime water temperature +9°; sunrise 6:59 am; sunset 7:15 pm; daylight hours: 12 hr 16 min

Weather forecast for Monday, 24 March: in the morning air temperature +8°, feels like 0°, overcast, wind speed 7.8 meters per second, westerly, humidity 34%, pressure 632 millimeters of mercury; in the afternoon +17°, feels like +8°, overcast, wind speed 8.8 meters per second, westerly, humidity 19%, pressure 634 millimeters of mercury; in the evening +14°, feels like +6°, overcast, wind speed 7.4 meters per second, westerly, humidity 27%, pressure 635 millimeters of mercury; in the night +8°, feels like +2°, overcast, wind speed 4.6 meters per second, westerly, humidity 49%, pressure 636 millimeters of mercury; daytime water temperature +10°; sunrise 6:58 am; sunset 7:16 pm; daylight hours: 12 hr 18 min

Weather forecast for Tuesday, 25 March: in the morning air temperature +7°, feels like +1°, overcast, wind speed 5 meters per second, westerly, humidity 54%, pressure 638 millimeters of mercury; in the afternoon +18°, feels like +11°, partly cloudy, wind speed 5.5 meters per second, westerly, humidity 20%, pressure 640 millimeters of mercury; in the evening +15°, feels like +9°, partly cloudy, wind speed 4.5 meters per second, westerly, humidity 30%, pressure 637 millimeters of mercury; in the night +7°, feels like +2°, partly cloudy, wind speed 4.5 meters per second, westerly, humidity 55%, pressure 639 millimeters of mercury; daytime water temperature +11°; sunrise 6:56 am; sunset 7:17 pm; daylight hours: 12 hr 21 min

Weather forecast for Wednesday, 26 March: in the morning air temperature +8°, feels like +1°, clear, wind speed 6.1 meters per second, westerly, humidity 46%, pressure 639 millimeters of mercury; in the afternoon +22°, feels like +14°, mostly clear, wind speed 6.6 meters per second, westerly, humidity 9%, pressure 640 millimeters of mercury; in the evening +18°, feels like +12°, partly cloudy, wind speed 4.4 meters per second, westerly, humidity 21%, pressure 636 millimeters of mercury; in the night +10°, feels like +3°, overcast, wind speed 6 meters per second, westerly, humidity 39%, pressure 636 millimeters of mercury; daytime water temperature +11°; sunrise 6:54 am; sunset 7:18 pm; daylight hours: 12 hr 24 min

Weather forecast for Thursday, 27 March: in the morning air temperature +10°, feels like +4°, partly cloudy, wind speed 5.1 meters per second, westerly, humidity 35%, pressure 635 millimeters of mercury; in the afternoon +23°, feels like +16°, mostly clear, wind speed 5.9 meters per second, westerly, humidity 11%, pressure 636 millimeters of mercury; in the evening +15°, feels like +9°, clear, wind speed 5.5 meters per second, westerly, humidity 41%, pressure 634 millimeters of mercury; in the night +9°, feels like +4°, clear, wind speed 4.3 meters per second, westerly, humidity 57%, pressure 635 millimeters of mercury; daytime water temperature +12°; sunrise 6:53 am; sunset 7:19 pm; daylight hours: 12 hr 26 min

Monthly forecast

Get the weather forecast for the next 30 days, including march and april. 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.

Weather in Boulder — FAQ

What is the weather today in Boulder?

The weather in Boulder today: light snow, with an air temperature of +11°.

What will the weather in Boulder be like tomorrow?

The weather in Boulder tomorrow: partly cloudy, with an air temperature of +4°.

What is the usual weather in Boulder in March?

In March, the weather in Boulder is usually clear, with an average air temperature of −1°.

What is the air pollution level in Boulder right now?

The air pollution level in Boulder is currently low, measuring 34.

What is the coldest month in Boulder?

The coldest month in Boulder is December, with an average air temperature of −5°.

What is the hottest month in Boulder?

The hottest month in Boulder is July, with an average air temperature of +17°.

Discover Boulder's weather update: +9° now, reaching a high of +16° and a low of +5°. 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 Boulder's weather conditions.

Weather forecast for tomorrow: +6⁠°, 10⁠° colder than today · winds at 5⁠–⁠7 m⁠/⁠s with gusts up to 10 m⁠/⁠s · partly cloudy, no precipitation. Weather forecast for the week: temperature will drop to +6⁠° · winds at 6⁠–⁠10 m⁠/⁠s with gusts up to 13 m⁠/⁠s · partly cloudy, no precipitation. Weather forecast for today: light snow is expected from 21⁠:⁠00 to 22⁠:⁠00 · +5⁠…⁠+16⁠° · winds at 8⁠–⁠10 m⁠/⁠s with gusts up to 15 m⁠/⁠s

Weather forecast for Today, 18 March: in the morning air temperature +11°, feels like +3°, mostly clear, wind speed 8.6 meters per second, westerly, humidity 27%, pressure 615 millimeters of mercury; in the afternoon +14°, feels like +5°, partly cloudy, wind speed 10.5 meters per second, westerly, humidity 23%, pressure 614 millimeters of mercury; in the evening +6°, feels like −3°, light snow, wind speed 8.8 meters per second, north-westerly, humidity 44%, pressure 613 millimeters of mercury; in the night +2°, feels like −6°, overcast, wind speed 6.9 meters per second, northerly, humidity 50%, pressure 616 millimeters of mercury; uv index: 5, moderate; magnetic field: quiet; sunrise 7:07 am; sunset 7:10 pm; daylight hours: 12 hr 3 min

Weather forecast for Tomorrow, 19 March: in the morning air temperature +2°, feels like −5°, overcast, wind speed 6.6 meters per second, north-westerly, humidity 42%, pressure 622 millimeters of mercury; in the afternoon +6°, feels like −1°, overcast, wind speed 6.8 meters per second, north-westerly, humidity 25%, pressure 625 millimeters of mercury; in the evening +3°, feels like −5°, mostly clear, wind speed 7 meters per second, westerly, humidity 34%, pressure 625 millimeters of mercury; in the night 0°, feels like −8°, mostly clear, wind speed 7.1 meters per second, westerly, humidity 35%, pressure 624 millimeters of mercury; uv index: 4, moderate; magnetic field: quiet; daytime water temperature +5°; sunrise 7:06 am; sunset 7:11 pm; daylight hours: 12 hr 5 min