10-Day Weather Forecast - O'Fallon, MO
As of
- 92|68°F
40% Chance of RainHourly detailsToday
92°FSunny with a chance of rain. Chance of precipitation 40%. High temperature around 92F. Dew point will be around 70F with an average humidity of 70%. Winds will be 4 mph from the NW.
Tonight
68°F
Mostly clear. Lows in the mid 60s. North winds 5 to 10 mph.
- 85|65°F
SunnyHourly detailsDay
85°FSunny. Highs in the upper 80s. North winds 5 to 10 mph.
Night
65°FMostly clear. Lows in the lower 60s. North winds 5 to 10 mph in the evening, becoming light and variable.
- 83|65°FSunnyHourly details
Day
83°FSunny. Highs in the mid 80s. Northeast winds around 5 mph.
Night
65°FMostly clear. Lows in the lower 60s. East winds around 5 mph.
Weekend Weather
- 87|69°F
Partly CloudyHourly detailsDay
87°FPartly cloudy. Highs in the upper 80s.
Night
69°F
Partly cloudy. Lows in the upper 60s.
- 92|71°F30% Chance of RainHourly details
Day
92°FMostly clear. Hot. Highs in the mid 90s. Heat index values up to 105.
Night
71°F
Mostly clear. Hot. Lows in the mid 70s. Heat index values up to 105.
- 93|72°F
Mostly SunnyHourly detailsDay
93°FMostly clear. Hot. Highs in the mid 90s. Heat index values up to 105.
Night
72°FMostly clear. Hot. Lows in the mid 70s. Heat index values up to 105.
- 95|76°FPartly Cloudy
Day
95°FMostly clear. Hot. Highs in the mid 90s. Heat index values up to 105.
Night
76°FMostly clear. Hot. Lows in the mid 70s. Heat index values up to 105.
- 96|75°FSunny
Day
96°FMostly sunny. Hot with highs in the upper 90s. Heat index values up to 105.
Night
75°F
Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 75F. Dew point will be around 68F with an average humidity of 62%. Winds will be 4 mph from the SW.
- 94|76°FPartly Cloudy
Day
94°FPartly cloudy. High temperature around 94F. Dew point will be around 68F with an average humidity of 54%. Winds will be 5 mph from the SW.
Night
76°FPartly cloudy with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 76F. Dew point will be around 67F with an average humidity of 59%. Winds will be 5 mph from the SW.
- 93|71°F30% Chance of Rain
Day
93°FMostly sunny with a 30% chance for rain and thunderstorms. High temperature around 93F. Dew point will be around 67F with an average humidity of 53%. Winds will be 4 mph from the W.
Night
71°F
Clear with a 30% chance for rain and thunderstorms. Low temperature around 71F. Dew point will be around 65F with an average humidity of 64%. Winds will be 2 mph from the W.
