Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
10-Day Weather Forecast for O'Fallon (IL)
Six-hourly outlook through Saturday 24 October. Updated every three hours via MET Norway.
Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Wednesday
14 Oct
22°C (72°F)
0.1 mm (0 in)
—
—
—
Hourly ›
Wed
14 Oct
Hourly ›
night
22°C (72°F)
0.1 mm (0 in)
morning
—
afternoon
—
evening
—
Thursday
15 Oct
21°C (70°F)
0.1 mm (0 in)
21°C (70°F)
2.3 mm (0.1 in)
24°C (75°F)
7 mm (0.3 in)
22°C (72°F)
5.9 mm (0.2 in)
Hourly ›
Thu
15 Oct
Hourly ›
night
21°C (70°F)
0.1 mm (0 in)
morning
21°C (70°F)
2.3 mm (0.1 in)
afternoon
24°C (75°F)
7 mm (0.3 in)
evening
22°C (72°F)
5.9 mm (0.2 in)
Friday
16 Oct
16°C (61°F)
0.4 mm (0.02 in)
13°C (55°F)
0 mm (0 in)
14°C (57°F)
0.8 mm (0.03 in)
12°C (54°F)
0 mm (0 in)
Hourly ›
Fri
16 Oct
Hourly ›
night
16°C (61°F)
0.4 mm (0.02 in)
morning
13°C (55°F)
0 mm (0 in)
afternoon
14°C (57°F)
0.8 mm (0.03 in)
evening
12°C (54°F)
0 mm (0 in)
Saturday
17 Oct
10°C (50°F)
0 mm (0 in)
6°C (43°F)
0 mm (0 in)
13°C (55°F)
0 mm (0 in)
11°C (52°F)
0 mm (0 in)
Hourly ›
Sat
17 Oct
Hourly ›
night
10°C (50°F)
0 mm (0 in)
morning
6°C (43°F)
0 mm (0 in)
afternoon
13°C (55°F)
0 mm (0 in)
evening
11°C (52°F)
0 mm (0 in)
Sunday
18 Oct
7°C (45°F)
0 mm (0 in)
5°C (41°F)
0 mm (0 in)
15°C (59°F)
0 mm (0 in)
11°C (52°F)
0 mm (0 in)
Hourly ›
Sun
18 Oct
Hourly ›
night
7°C (45°F)
0 mm (0 in)
morning
5°C (41°F)
0 mm (0 in)
afternoon
15°C (59°F)
0 mm (0 in)
evening
11°C (52°F)
0 mm (0 in)
Monday
19 Oct
7°C (45°F)
0 mm (0 in)
5°C (41°F)
0 mm (0 in)
17°C (63°F)
0 mm (0 in)
13°C (55°F)
0 mm (0 in)
Hourly ›
Mon
19 Oct
Hourly ›
night
7°C (45°F)
0 mm (0 in)
morning
5°C (41°F)
0 mm (0 in)
afternoon
17°C (63°F)
0 mm (0 in)
evening
13°C (55°F)
0 mm (0 in)
Tuesday
20 Oct
9°C (48°F)
0 mm (0 in)
6°C (43°F)
0 mm (0 in)
19°C (66°F)
0 mm (0 in)
14°C (57°F)
0 mm (0 in)
Hourly ›
Tue
20 Oct
Hourly ›
night
9°C (48°F)
0 mm (0 in)
morning
6°C (43°F)
0 mm (0 in)
afternoon
19°C (66°F)
0 mm (0 in)
evening
14°C (57°F)
0 mm (0 in)
Wednesday
21 Oct
9°C (48°F)
0 mm (0 in)
6°C (43°F)
0 mm (0 in)
20°C (68°F)
0 mm (0 in)
15°C (59°F)
0 mm (0 in)
Hourly ›
Wed
21 Oct
Hourly ›
night
9°C (48°F)
0 mm (0 in)
morning
6°C (43°F)
0 mm (0 in)
afternoon
20°C (68°F)
0 mm (0 in)
evening
15°C (59°F)
0 mm (0 in)
Thursday
22 Oct
10°C (50°F)
0 mm (0 in)
10°C (50°F)
0 mm (0 in)
22°C (72°F)
0 mm (0 in)
17°C (63°F)
0 mm (0 in)
Hourly ›
Thu
22 Oct
Hourly ›
night
10°C (50°F)
0 mm (0 in)
morning
10°C (50°F)
0 mm (0 in)
afternoon
22°C (72°F)
0 mm (0 in)
evening
17°C (63°F)
0 mm (0 in)
Friday
23 Oct
12°C (54°F)
0 mm (0 in)
10°C (50°F)
0 mm (0 in)
23°C (73°F)
0 mm (0 in)
19°C (66°F)
0 mm (0 in)
Hourly ›
Fri
23 Oct
Hourly ›
night
12°C (54°F)
0 mm (0 in)
morning
10°C (50°F)
0 mm (0 in)
afternoon
23°C (73°F)
0 mm (0 in)
evening
19°C (66°F)
0 mm (0 in)
Data from MET Norway · Updated every three hours.
What's the weather in O'Fallon this week?
Today's weather - Wednesday 14 Oct
Tonight, the weather in O'Fallon will be partly cloudy with some rain, with temperatures around 22°C (72°F), dropping to 21°C (70°F) by morning.
Tomorrow's weather - Thursday 15 Oct
The forecast for O'Fallon on Thursday is heavy rain showers throughout the day. Expect highs of a warm 24°C (75°F) and lows of around 21°C (70°F).
10-Day Weather Forecast
During the next 10 days, temperatures will start at 24°C (75°F) on Thursday, then cooling down, with average highs of 18°C (64°F) and lows of 10°C (50°F). Compared to October norms, this represents a bit cooler than usual weather. The following 10 days will bring plenty of sunshine. Rainfall is expected to be a bit less than usual (compared to typical October conditions). The forecast shows mostly dry conditions. Precipitation is expected on roughly 2 days (Thu, Fri). Wind conditions will be generally calm.
Weather Forecast FAQ for O'Fallon
When will be the warmest day next week?
The warmest day is expected to be Thursday with a high of 24°C (75°F).
When will be the coldest day?
The coldest day is forecasted for Sunday with a low of 5°C (41°F).
Will it rain next week in O'Fallon?
Yes, rain is expected on 2 days , specifically on Thu, Fri.
How much rainfall is expected next week?
A total of 17 mm (0.7 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 5°C (41°F) to 24°C (75°F).
More about O'Fallon
Explore the full O'Fallon climate overview with monthly averages, or check rainfall data and temperature by month.
O'Fallon weather by month
Browse monthly averages for O'Fallon: climate by month with temperature, rainfall and sunshine.
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Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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