+16°
Feels like +16°This time yesterday +27°Yesterday +27°
Clear, no precipitation is expected for the next 2 hours
2.1 m/s, W74887%19°
Weather forecast in O'Fallon, United States
O'Fallon, United States: Hourly forecast
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Weather forecast for 10 days in O'Fallon, United States
O'Fallon. Weather forecast for today, 28 May: in the morning air temperature +20°, feels like +18°, clear, wind speed 5.4 meters per second, north-westerly, humidity 63%, pressure 749 millimeters of mercury; in the afternoon +26°, feels like +24°, clear, wind speed 6 meters per second, north-westerly, humidity 41%, pressure 749 millimeters of mercury; in the evening +23°, feels like +21°, clear, wind speed 4.1 meters per second, north-westerly, humidity 52%, pressure 748 millimeters of mercury; in the night +16°, feels like +15°, clear, wind speed 2.2 meters per second, north-westerly, humidity 76%, pressure 749 millimeters of mercury; uv index: 8, very high; magnetic field: quiet; daytime water temperature +26°; sunrise 5:41 am; sunset 8:18 pm; daylight hours: 14 hr 37 min
O'Fallon. Weather forecast for tomorrow, 29 May: in the morning air temperature +18°, feels like +18°, clear, wind speed 3.2 meters per second, northerly, humidity 70%, pressure 752 millimeters of mercury; in the afternoon +23°, feels like +23°, clear, wind speed 3.4 meters per second, northerly, humidity 45%, pressure 752 millimeters of mercury; in the evening +20°, feels like +19°, clear, wind speed 2.4 meters per second, north-easterly, humidity 55%, pressure 750 millimeters of mercury; in the night +13°, feels like +12°, clear, wind speed 1.6 meters per second, easterly, humidity 78%, pressure 751 millimeters of mercury; uv index: 8, very high; magnetic field: unsettled; daytime water temperature +24°; sunrise 5:41 am; sunset 8:19 pm; daylight hours: 14 hr 38 min
O'Fallon. Weather forecast for Thursday, 30 May: in the morning air temperature +19°, feels like +19°, clear, wind speed 3.9 meters per second, easterly, humidity 69%, pressure 752 millimeters of mercury; in the afternoon +25°, feels like +26°, clear, wind speed 3.9 meters per second, easterly, humidity 45%, pressure 751 millimeters of mercury; in the evening +22°, feels like +20°, clear, wind speed 3.5 meters per second, south-easterly, humidity 51%, pressure 750 millimeters of mercury; in the night +16°, feels like +15°, clear, wind speed 2.2 meters per second, south-easterly, humidity 69%, pressure 750 millimeters of mercury; uv index: 9, very high; magnetic field: quiet; daytime water temperature +26°; sunrise 5:40 am; sunset 8:20 pm; daylight hours: 14 hr 40 min
O'Fallon. Weather forecast for Friday, 31 May: in the morning air temperature +18°, feels like +17°, mostly clear, wind speed 4 meters per second, south-easterly, humidity 66%, pressure 750 millimeters of mercury; in the afternoon +25°, feels like +26°, partly cloudy, wind speed 4.5 meters per second, south-easterly, humidity 51%, pressure 750 millimeters of mercury; in the evening +23°, feels like +22°, partly cloudy, wind speed 3.5 meters per second, south-easterly, humidity 63%, pressure 748 millimeters of mercury; in the night +19°, feels like +18°, partly cloudy, wind speed 3.2 meters per second, south-easterly, humidity 68%, pressure 747 millimeters of mercury; uv index: 9, very high; daytime water temperature +25°; sunrise 5:40 am; sunset 8:21 pm; daylight hours: 14 hr 41 min
O'Fallon. Weather forecast for Saturday, 1 June: in the morning air temperature +21°, feels like +21°, overcast, wind speed 3.7 meters per second, southerly, humidity 76%, pressure 747 millimeters of mercury; in the afternoon +25°, feels like +26°, partly cloudy, wind speed 3.9 meters per second, southerly, humidity 73%, pressure 746 millimeters of mercury; in the evening +23°, feels like +25°, partly cloudy, wind speed 2.5 meters per second, easterly, humidity 79%, pressure 745 millimeters of mercury; in the night +19°, feels like +19°, partly cloudy, wind speed 2.7 meters per second, north-westerly, humidity 89%, pressure 745 millimeters of mercury; uv index: 0, low; daytime water temperature +25°; sunrise 5:39 am; sunset 8:21 pm; daylight hours: 14 hr 42 min
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O'Fallon. Weather forecast for Sunday, 2 June: in the morning air temperature +22°, feels like +23°, partly cloudy, wind speed 3 meters per second, north-easterly, humidity 86%, pressure 746 millimeters of mercury; in the afternoon +28°, feels like +29°, partly cloudy, wind speed 3 meters per second, easterly, humidity 61%, pressure 746 millimeters of mercury; in the evening +25°, feels like +26°, partly cloudy, wind speed 2.5 meters per second, south-easterly, humidity 64%, pressure 744 millimeters of mercury; in the night +20°, feels like +21°, partly cloudy, wind speed 2.2 meters per second, southerly, humidity 82%, pressure 744 millimeters of mercury; daytime water temperature +28°; sunrise 5:39 am; sunset 8:22 pm; daylight hours: 14 hr 43 min
O'Fallon. Weather forecast for Monday, 3 June: in the morning air temperature +23°, feels like +24°, partly cloudy, wind speed 3.7 meters per second, southerly, humidity 85%, pressure 745 millimeters of mercury; in the afternoon +30°, feels like +31°, partly cloudy, wind speed 4 meters per second, southerly, humidity 59%, pressure 744 millimeters of mercury; in the evening +26°, feels like +28°, partly cloudy, wind speed 3 meters per second, southerly, humidity 69%, pressure 743 millimeters of mercury; in the night +21°, feels like +22°, partly cloudy, wind speed 2.7 meters per second, southerly, humidity 84%, pressure 743 millimeters of mercury; daytime water temperature +30°; sunrise 5:39 am; sunset 8:23 pm; daylight hours: 14 hr 44 min
O'Fallon. Weather forecast for Tuesday, 4 June: in the morning air temperature +25°, feels like +27°, partly cloudy, wind speed 2.9 meters per second, south-westerly, humidity 79%, pressure 744 millimeters of mercury; in the afternoon +30°, feels like +31°, partly cloudy, wind speed 3.2 meters per second, southerly, humidity 55%, pressure 744 millimeters of mercury; in the evening +28°, feels like +30°, partly cloudy, wind speed 2.5 meters per second, south-easterly, humidity 66%, pressure 743 millimeters of mercury; in the night +22°, feels like +23°, mostly clear, wind speed 2.5 meters per second, southerly, humidity 78%, pressure 744 millimeters of mercury; daytime water temperature +30°; sunrise 5:38 am; sunset 8:23 pm; daylight hours: 14 hr 45 min
O'Fallon. Weather forecast for Wednesday, 5 June: in the morning air temperature +26°, feels like +28°, partly cloudy, wind speed 3.4 meters per second, south-westerly, humidity 75%, pressure 745 millimeters of mercury; in the afternoon +30°, feels like +31°, partly cloudy, wind speed 4 meters per second, south-westerly, humidity 59%, pressure 745 millimeters of mercury; in the evening +27°, feels like +29°, partly cloudy, wind speed 3.2 meters per second, westerly, humidity 68%, pressure 745 millimeters of mercury; in the night +20°, feels like +20°, mostly clear, wind speed 2.7 meters per second, westerly, humidity 82%, pressure 746 millimeters of mercury; daytime water temperature +30°; sunrise 5:38 am; sunset 8:24 pm; daylight hours: 14 hr 46 min
O'Fallon. Weather forecast for Thursday, 6 June: in the morning air temperature +23°, feels like +24°, partly cloudy, wind speed 3.2 meters per second, westerly, humidity 76%, pressure 747 millimeters of mercury; in the afternoon +30°, feels like +30°, clear, wind speed 3.7 meters per second, north-westerly, humidity 46%, pressure 747 millimeters of mercury; in the evening +27°, feels like +29°, partly cloudy, wind speed 2.5 meters per second, north-westerly, humidity 64%, pressure 745 millimeters of mercury; in the night +20°, feels like +20°, clear, wind speed 2.4 meters per second, westerly, humidity 76%, pressure 745 millimeters of mercury; daytime water temperature +30°; sunrise 5:38 am; sunset 8:24 pm; daylight hours: 14 hr 46 min
Weather forecast in O'Fallon, United States for the next month
Get the weather forecast for the next 30 days, including may and june. 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 forecastWeather forecast on maps in O'Fallon, United States
O'Fallon, current weather: clear, no precipitation is expected for the next 2 hours. Air temperature +16°, feels like +16°. Wind speed 2.1 Meters per second, westerly. Pressure 748 millimeters of mercury. Humidity 87%. Daytime water temperature +19°. Sunrise 5:41 am, Sunset 8:18 pm. This time yesterday +27°
O'Fallon. Weather forecast for today, 28 May: in the morning air temperature +20°, feels like +18°, clear, wind speed 5.4 meters per second, north-westerly, humidity 63%, pressure 749 millimeters of mercury; in the afternoon +26°, feels like +24°, clear, wind speed 6 meters per second, north-westerly, humidity 41%, pressure 749 millimeters of mercury; in the evening +23°, feels like +21°, clear, wind speed 4.1 meters per second, north-westerly, humidity 52%, pressure 748 millimeters of mercury; in the night +16°, feels like +15°, clear, wind speed 2.2 meters per second, north-westerly, humidity 76%, pressure 749 millimeters of mercury; uv index: 8, very high; magnetic field: quiet; daytime water temperature +26°; sunrise 5:41 am; sunset 8:18 pm; daylight hours: 14 hr 37 min
Weather forecast for tomorrow, 29 May: in the morning air temperature +18°, feels like +18°, clear, wind speed 3.2 meters per second, northerly, humidity 70%, pressure 752 millimeters of mercury; in the afternoon +23°, feels like +23°, clear, wind speed 3.4 meters per second, northerly, humidity 45%, pressure 752 millimeters of mercury; in the evening +20°, feels like +19°, clear, wind speed 2.4 meters per second, north-easterly, humidity 55%, pressure 750 millimeters of mercury; in the night +13°, feels like +12°, clear, wind speed 1.6 meters per second, easterly, humidity 78%, pressure 751 millimeters of mercury; uv index: 8, very high; magnetic field: unsettled; daytime water temperature +24°; sunrise 5:41 am; sunset 8:19 pm; daylight hours: 14 hr 38 min
