O'Fallon, St. Clair

Elevation: 170 m
Coordinates: 38.60°, -89.90°
68°F

Feels like: 63°F

Clear Fri 22:20

Precipitation Chance

0%

Humidity

39%

Wind Speed

7 mph

Cloud Cover

0%

Precipitation

0 in

Wind Direction

South

Visibility

164.7 km

Sunrise / Sunset

06:56 AM / 06:40 PM

Air Quality Index (AQI)

44

Good

PM2.5: 5.4 µg/m³
PM10: 6.3 µg/m³

Weekly Weather Report

Next 7 Days

Whether you plan to spend time indoors or outdoors, the upcoming week will bring a solid stretch of clear weather. The warmth will be very present, with highs reaching 88°F. The best part? it will be completely dry. As for the breeze, the wind won't be too crazy, peaking at 12 mph.

Activity Index

Driving
Excellent
Fishing
Excellent
Camping
Excellent
Air Travel
Excellent

Historical Climate

Compared to October Averages

Today's high is 9°F cooler than the historical average for October.

Hourly Forecast

10 PM68°
11 PM67°
12 AM66°
1 AM65°
2 AM64°
3 AM63°
4 AM60°
5 AM59°
6 AM58°
7 AM57°
8 AM59°
9 AM65°
10 AM71°
11 AM76°
12 PM80°
1 PM83°
2 PM84°
3 PM84°
4 PM85°
5 PM84°
6 PM80°
7 PM75°
8 PM72°
9 PM70°

16-Day Forecast

Thu10/1
72°58°
Fri10/2
75°50°
Sat10/3
82°49°
Sun10/4
77°50°
Mon10/5
79°46°
Tue10/6
88°55°
Wed10/7
86°53°
Thu10/8
88°51°
Fri10/9
85°57°
Sat10/10
85°56°
Sun10/11
94°66°
Mon10/12
89°65°
Tue10/13
71°61°
Wed10/14
73°61°
Thu10/15
69°52°
Fri10/16
50°38°
Sat10/17
55°33°
Sun10/18
62°38°
Mon10/19
68°46°
Tue10/20
63°52°
Wed10/21
61°56°
Thu10/22
69°50°
Fri10/23
60°47°

Tropical Cyclone Activity

Atlantic Hurricane Season Active

We are currently monitoring the Atlantic basin for tropical development. No imminent threat to this specific location at this moment.

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Frequently Asked Questions

What are the expected highs and lows for today in O'Fallon?

Expect a maximum temperature of 72°F cooling down to of 58°F during the evening. Make sure to plan accordingly.

How windy is it in O'Fallon right now?

It's not very windy, measuring at just 7 mph. Very comfortable conditions overall.

What is the 7-day outlook for O'Fallon?

In summary, O'Fallon is trending towards clear weather for the near future. Temperatures will generally hover between 58°F and 72°F.

What's it like outside in O'Fallon today?

Currently, the thermometer shows 68°F with clear conditions. The "feels like" temperature is 63°F.

Is there any rain forecasted in O'Fallon this week?

No, it looks to be a dry week for the next 7 days. Enjoy the dry weather.