O'Fallon

US · 165m

Live · updated just now

Current conditions

Clear sky
27°C
Feels like 31°C · Clear sky
Humidity
67%
Wind
11 km/h NE
Pressure
1022 hPa
UV Index
5.2 Moderate
Cloud Cover
0%
Precipitation
0 mm
Sunrise
5:50 AM
Sunset
8:29 PM
Compare

What to expect today in O'Fallon

Right now in O'Fallon it's 27°C with clear sky. It feels warmer than that, more like 31°C. Today's high should reach 31°C with an overnight low near 20°C. No significant precipitation is expected over the next several hours. Tomorrow looks similar, with highs near 32°C with partly cloudy.

Next 25 Hours

Now
Mainly clear
31°C
·
16:00
Mainly clear
31°C
·
17:00
Mainly clear
30°C
·
18:00
Mainly clear
30°C
·
19:00
Partly cloudy
28°C
·
20:00
Partly cloudy
26°C
·
21:00
Mainly clear
25°C
·
22:00
Mainly clear
24°C
·
23:00
Mainly clear
24°C
·
00:00
Mainly clear
24°C
·
01:00
Clear sky
23°C
·
02:00
Clear sky
23°C
·
03:00
Mainly clear
22°C
·
04:00
Mainly clear
22°C
·
05:00
Mainly clear
22°C
·
06:00
Mainly clear
22°C
·
07:00
Mainly clear
23°C
·
08:00
Mainly clear
25°C
·
09:00
Mainly clear
26°C
·
10:00
Mainly clear
28°C
·
11:00
Partly cloudy
29°C
·
12:00
Partly cloudy
30°C
·
13:00
Mainly clear
31°C
·
14:00
Mainly clear
31°C
·
15:00
Mainly clear
32°C
·

9-Day Forecast

Forecast trends

Next 24 hours — temperature & precipitation

10-day outlook — high / low & rainfall

O'Fallon on the map

About O'Fallon

O'Fallon, Missouri, is located in the central part of the United States. It is known for its growing community and is characterized by a humid continental climate.

O'Fallon, Missouri experiences four distinct seasons with warm summers and cold winters. Temperatures typically range from the low 20s Fahrenheit in January to the high 80s in July. Expect humid summers and occasional snowfall during the winter months.

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