O Fallon weather forecast 90 days

O Fallon 90 day weather forecast

DateWeatherPre.Max.Min
Fri 9/12Sunny and hot; caution advised if doing strenuous activities outside95°F66°F
Sat 9/13Very hot with blazing sunshine; danger of dehydration and heatstroke if outside for extended periods of time99°F68°F
Sun 9/14Mostly cloudy and hot; danger of dehydration and heatstroke if outside for extended periods of time99°F68°F
Mon 9/15Hot with sun through high clouds; possible danger of dehydration and heatstroke while doing strenuous activities95°F66°F
Tue 9/16Very hot with sunshine; danger of dehydration and heatstroke if outside for extended periods of time99°F65°F
Wed 9/17Mostly sunny and very hot99°F68°F
Thu 9/18Mostly cloudy and hot; a couple of thunderstorms in the afternoon95°F66°F
Fri 9/19Partly sunny and warm92°F61°F
Sat 9/20Mostly sunny86°F61°F
Sun 9/21Very warm with sun through high clouds92°F66°F
Mon 9/22Mostly cloudy with a little rain in the afternoon84°F59°F
Tue 9/23Sun through high clouds86°F59°F
Wed 9/24Partial sunshine, warm and less humid88°F61°F
Thu 9/25Plenty of sun83°F54°F
Fri 9/26Warm with a thick cloud cover84°F59°F
Sat 9/27Rather cloudy83°F54°F
Sun 9/28Cloudy77°F59°F
Mon 9/29Mostly sunny and warm84°F57°F
Tue 9/30Plenty of sunshine79°F50°F
Wed 10/1Plenty of sunshine77°F56°F
Thu 10/2Warm with plenty of sunshine84°F54°F
Fri 10/3Warm with plenty of sunshine83°F57°F
Sat 10/4Warm with periods of clouds and sunshine84°F59°F
Sun 10/5Cloudy and remaining warm with showers and thunderstorms becoming more widespread79°F57°F
Mon 10/6Plenty of sun74°F54°F
Tue 10/7Plenty of sun75°F52°F
Wed 10/8Times of clouds and sun77°F50°F
Thu 10/9Plenty of sunshine70°F47°F
Fri 10/10Plenty of sunshine68°F45°F
Sat 10/11Mostly sunny70°F47°F
Sun 10/12Warm with plenty of sunshine79°F56°F
Mon 10/13Warm with times of sun and clouds81°F56°F
Tue 10/14Turning cloudy75°F48°F
Wed 10/15Intervals of clouds and sunshine70°F48°F
Thu 10/16A thick cloud cover with a little rain74°F54°F
Fri 10/17Considerable cloudiness with a little rain75°F56°F
Sat 10/18Mostly cloudy with showers and thunderstorms, mainly early in the day75°F56°F
Sun 10/19Times of clouds and sun74°F54°F
Mon 10/20Mostly cloudy68°F54°F
Tue 10/21Partly sunny72°F54°F
Wed 10/22Mostly cloudy72°F52°F
Thu 10/23Mostly cloudy74°F54°F
Fri 10/24Partial sunshine63°F39°F
Sat 10/25Sun and some clouds61°F41°F
Sun 10/26Sunshine65°F50°F

Weather for the next 90 days in O Fallon, Illinois state, USA

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