Wind
- Wind
- 2.5 km/h
- Wind direction
- 269° · W
O'Fallon weather at a glance
Tuesday 03:44Weather forecast for O'Fallon
20.7°
Clear sky
Low 19.5° · High 29.7°
Updated Aug 18, 00:1638.811°, -90.700° · 169 m
Tue
03:00
20.7°
0 mm
Tue
04:00
20.1°
0 mm
Tue
05:00
19.6°
0 mm
Tue
06:00
19.5°
0 mm
Tue
07:00
20°
0 mm
Tue
08:00
21.8°
0 mm
Tue
09:00
23.7°
0 mm
Tue
10:00
25.3°
0 mm
Tue
11:00
26.4°
0 mm
Tue
12:00
27.3°
0 mm
Tue
13:00
28.1°
0 mm
Tue
14:00
28.9°
0 mm
Tue
15:00
29.4°
0 mm
Tue
16:00
29.6°
0 mm
Tue
17:00
29.7°
0 mm
Tue
18:00
29.2°
0 mm
Tue
19:00
28.1°
0 mm
Tue
20:00
26.2°
0 mm
Tue
21:00
25.6°
0 mm
Tue
22:00
25°
0 mm
Tue
23:00
24.6°
0 mm
Wed
00:00
24.3°
0 mm
Wed
01:00
23.6°
2.5 mm
Wed
02:00
22.2°
1.7 mm
Wed
03:00
21.9°
0.6 mm
Wed
04:00
22°
0 mm
Wed
05:00
22°
0 mm
Wed
06:00
21.9°
0 mm
Wed
07:00
22°
0.1 mm
Wed
08:00
22.5°
1.2 mm
Wed
09:00
22.5°
1.1 mm
Wed
10:00
22.9°
0 mm
Wed
11:00
24°
0 mm
Wed
12:00
26.1°
0 mm
Wed
13:00
27.2°
0 mm
Wed
14:00
28.4°
0.2 mm
UV Index
0Low
Sunrise
- Sunrise
- 06:20
- Sunset
- 19:55
Humidity
90.3%
Rain
0 mm
Sea-level pressure
1,018 hPa
Cloud
7%
Dew point
19.1°
Daily outlook
Choose a day to focus the timeline and charts.
Tue
03:00
20.7°
0 mm
Tue
04:00
20.1°
0 mm
Tue
05:00
19.6°
0 mm
Tue
06:00
19.5°
0 mm
Tue
07:00
20°
0 mm
Tue
08:00
21.8°
0 mm
Tue
09:00
23.7°
0 mm
Tue
10:00
25.3°
0 mm
Tue
11:00
26.4°
0 mm
Tue
12:00
27.3°
0 mm
Tue
13:00
28.1°
0 mm
Tue
14:00
28.9°
0 mm
Tue
15:00
29.4°
0 mm
Tue
16:00
29.6°
0 mm
Tue
17:00
29.7°
0 mm
Tue
18:00
29.2°
0 mm
Tue
19:00
28.1°
0 mm
Tue
20:00
26.2°
0 mm
Tue
21:00
25.6°
0 mm
Tue
22:00
25°
0 mm
Tue
23:00
24.6°
0 mm
Wed
00:00
24.3°
0 mm
Wed
01:00
23.6°
2.5 mm
Wed
02:00
22.2°
1.7 mm
Wed
03:00
21.9°
0.6 mm
Wed
04:00
22°
0 mm
Wed
05:00
22°
0 mm
Wed
06:00
21.9°
0 mm
Wed
07:00
22°
0.1 mm
Wed
08:00
22.5°
1.2 mm
Wed
09:00
22.5°
1.1 mm
Wed
10:00
22.9°
0 mm
Wed
11:00
24°
0 mm
Wed
12:00
26.1°
0 mm
Wed
13:00
27.2°
0 mm
Wed
14:00
28.4°
0.2 mm
Forecast trends
Forecast highlights
Next precipitation
Wed 01:00 · 2.5 mm
Warmest point
Sat, 13 · 31°
Strongest wind
Wed, 04 · 17.6 km/h
Forecast detail
The timeline follows the provider's native resolution. Near-term data is more detailed; later periods may use wider steps.
Hourly · from Aug 18, 036-hour steps · from Aug 20, 13
Weather in nearby cities
Fair in O'Fallon, Missouri, United States now, 21.4°C. Today 19.5–29.7°C, with hourly rain, wind and cloud forecasts plus the daily outlook.