United States of America › Illinois › Saint Clair County

O'Fallon

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What's the weather like in O'Fallon



43°F

Partly Cloudy

Sunrise

6:37 AM

Sunset

4:50 PM

Feels Like

38°F

Humidity

70%

Wind

10 mph · SW

UV Index

Clouds

45%

Precipitation 1h

0% · 0 in

Pressure

29.6 inHg

Moon Phase

· 9%

Hourly Forecast

Weather

Temp.

Precip. 3h

Clouds

Wind

Humidity

UV Index

Visibility

Thu 12

9 AM



42°F 36°F

45%

10 mph 14 mph

70%

12.1 mi

12 PM



53°F —

44%

10 mph 14 mph

70%

12.4 mi

3 PM



52°F —

43%

10 mph 14 mph

70%

12.7 mi

6 PM



48°F 43°F

43%

10 mph 14 mph

70%

—

13 mi

9 PM



42°F 37°F

42%

9 mph 14 mph

70%

—

13.4 mi

Fri 13

12 AM



37°F 30°F

41%

9 mph 14 mph

70%

—

13.7 mi

3 AM



33°F 25°F

40%

9 mph 14 mph

69%

—

14 mi

6 AM



31°F 23°F

40%

9 mph 14 mph

69%

—

14.3 mi

9 AM



40°F 34°F

39%

9 mph 13 mph

69%

14.6 mi

12 PM



51°F —

38%

9 mph 13 mph

69%

14.9 mi

3 PM



49°F 46°F

39%

9 mph 13 mph

69%

14.4 mi

6 PM



46°F 42°F

41%

9 mph 13 mph

70%

—

13.8 mi

9 PM



42°F 36°F

15%0 in

42%

9 mph 13 mph

70%

—

13.3 mi

Sat 14

12 AM



37°F 31°F

45%0.01 in

44%

9 mph 13 mph

71%

—

12.7 mi

3 AM



33°F 26°F

61%0.02 in

45%

8 mph 12 mph

71%

—

12.2 mi

6 AM



32°F 24°F

61%0.02 in

46%

8 mph 12 mph

71%

—

11.7 mi

9 AM



41°F 36°F

61%0.02 in

48%

8 mph 12 mph

72%

11.1 mi

12 PM



53°F —

61%0.02 in

49%

8 mph 12 mph

72%

10.6 mi

Daily Forecast

Thursday

Nov 12



Temp. 53° / 42°

Feels Like 53° / 36°

Precip. 0% · 0 in

Clouds 44%

>Wind 10 – 14 mph

Wind Dir. SW - 225°

Humidity 70%

Pressure 29.6 inHg

UV Index 3

Visibility 12.1 mi

Moon 12%

Friday

Nov 13



Temp. 51° / 31°

Feels Like 51° / 23°

Precip. 15% · 0 in

Clouds 39%

>Wind 9 – 14 mph

Wind Dir. SW - 225°

Humidity 70%

Pressure 29.7 inHg

UV Index 3

Visibility 13.3 mi

Moon 20%

Saturday

Nov 14



Temp. 53° / 32°

Feels Like 53° / 24°

Precip. 61% · 0.07 in

Clouds 48%

>Wind 8 – 13 mph

Wind Dir. SW - 225°

Humidity 72%

Pressure 29.6 inHg

UV Index 3

Visibility 10.6 mi

Moon 29%

Sunday

Nov 15



Temp. 55° / 34°

Feels Like 55° / 27°

Precip. 0% · 0 in

Clouds 46%

>Wind 9 – 13 mph

Wind Dir. S - 180°

Humidity 76%

Pressure 29.6 inHg

UV Index 3

Visibility 7.5 mi

Moon 39%

Monday

Nov 16



Temp. 57° / 35°

Feels Like 57° / 28°

Precip. 0% · 0 in

Clouds 54%

>Wind 9 – 14 mph

Wind Dir. SW - 225°

Humidity 80%

Pressure 29.5 inHg

UV Index 2

Visibility 5.3 mi

Moon 49%

Tuesday

Nov 17



Temp. 57° / 36°

Feels Like 57° / 28°

Precip. 82% · 0.13 in

Clouds 55%

>Wind 10 – 14 mph

Wind Dir. S - 180°

Humidity 79%

Pressure 29.5 inHg

UV Index 2

Visibility 5.9 mi

Moon 60%

Wednesday

Nov 18



Temp. 56° / 35°

Feels Like 56° / 27°

Precip. 81% · 0.13 in

Clouds 55%

>Wind 11 – 16 mph

Wind Dir. SW - 225°

Humidity 75%

Pressure 29.5 inHg

UV Index 3

Visibility +6 mi

Moon 70%

O'Fallon is located in Illinois, United States of America, at an altitude of 167m above sea level (lat: 38.59227, lon: -89.91121). Local timezone: UTC-6, CST (America/Chicago). Nearby locations: Shiloh (2 mi). Cardinal Creek Golf Course (3 mi). Tamarack Country Club (3 mi).