Extended 10-day forecasts, O'Fallon (IL)
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for O'Fallon, the United States of America. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our October climate page to see if the current temperatures in O'Fallon is typical for this time of year.
Today · Thursday 15 Oct
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 01:00 |
Cloudy
|
21°C (70°F) | 0 mm (0 in) | 98% | NE 1 m/s (2 knots) |
| 02:00 |
Cloudy
|
21°C (70°F) | 0 mm (0 in) | 97% | E 1 m/s (2 knots) |
| 03:00 |
Mostly clear
|
21°C (70°F) | 0 mm (0 in) | 97% | E 3 m/s (6 knots) |
| 04:00 |
Mostly clear
|
21°C (70°F) | 0 mm (0 in) | 98% | E 2 m/s (4 knots) |
| 05:00 |
Cloudy
|
21°C (70°F) | 0 mm (0 in) | 98% | E 2 m/s (4 knots) |
| 06:00 |
Cloudy
|
21°C (70°F) | 0 mm (0 in) | 97% | E 3 m/s (6 knots) |
| 07:00 |
Cloudy
|
21°C (70°F) | 0 mm (0 in) | 96% | E 3 m/s (6 knots) |
| 08:00 |
Cloudy
|
21°C (70°F) | 0 mm (0 in) | 95% | E 3 m/s (6 knots) |
| 09:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 91% | SE 3 m/s (6 knots) |
| 10:00 |
Cloudy
|
22°C (72°F) | 0 mm (0 in) | 89% | SE 3 m/s (6 knots) |
| 11:00 |
Rain
|
24°C (75°F) | 0.4 mm (0.02 in) | 87% | SE 3 m/s (6 knots) |
| 12:00 |
Heavy rain
|
25°C (77°F) | 1.8 mm (0.1 in) | 82% | S 3 m/s (6 knots) |
| 13:00 |
Heavy rain
|
24°C (75°F) | 3 mm (0.1 in) | 93% | SW 3 m/s (6 knots) |
| 14:00 |
Rain showers
|
24°C (75°F) | 0.9 mm (0.04 in) | 94% | S 3 m/s (6 knots) |
| 15:00 |
Partly cloudy
|
25°C (77°F) | 0 mm (0 in) | 90% | S 4 m/s (8 knots) |
| 16:00 |
Mostly sunny
|
25°C (77°F) | 0 mm (0 in) | 85% | S 5 m/s (10 knots) |
| 17:00 |
Heavy rain showers
|
26°C (79°F) | 1 mm (0.04 in) | 83% | S 6 m/s (12 knots) |
| 18:00 |
Heavy rain
|
24°C (75°F) | 1.9 mm (0.1 in) | 93% | SW 5 m/s (10 knots) |
| 19:00 |
Heavy rain
|
22°C (72°F) | 1.6 mm (0.1 in) | 96% | SW 5 m/s (10 knots) |
| 20:00 |
Heavy rain showers
|
22°C (72°F) | 1 mm (0.04 in) | 97% | SW 6 m/s (12 knots) |
| 21:00 |
Rain
|
21°C (70°F) | 0.5 mm (0.02 in) | 97% | SW 6 m/s (12 knots) |
| 22:00 |
Rain
|
21°C (70°F) | 0.4 mm (0.02 in) | 97% | W 6 m/s (12 knots) |
| 23:00 |
Heavy rain
|
20°C (68°F) | 1.4 mm (0.1 in) | 96% | NW 8 m/s (16 knots) |
01:00
Cloudy
98% · NE 1 m/s (2 knots)
21°C (70°F)
0 mm (0 in)
02:00
Cloudy
97% · E 1 m/s (2 knots)
21°C (70°F)
0 mm (0 in)
03:00
Mostly clear
97% · E 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
04:00
Mostly clear
98% · E 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
05:00
Cloudy
98% · E 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
06:00
Cloudy
97% · E 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
07:00
Cloudy
96% · E 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
08:00
Cloudy
95% · E 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
09:00
Cloudy
91% · SE 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
10:00
Cloudy
89% · SE 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
11:00
Rain
87% · SE 3 m/s (6 knots)
24°C (75°F)
0.4 mm (0.02 in)
12:00
Heavy rain
82% · S 3 m/s (6 knots)
25°C (77°F)
1.8 mm (0.1 in)
13:00
Heavy rain
93% · SW 3 m/s (6 knots)
24°C (75°F)
3 mm (0.1 in)
14:00
Rain showers
94% · S 3 m/s (6 knots)
24°C (75°F)
0.9 mm (0.04 in)
15:00
Partly cloudy
90% · S 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
16:00
Mostly sunny
85% · S 5 m/s (10 knots)
25°C (77°F)
0 mm (0 in)
17:00
Heavy rain showers
83% · S 6 m/s (12 knots)
26°C (79°F)
1 mm (0.04 in)
18:00
Heavy rain
93% · SW 5 m/s (10 knots)
24°C (75°F)
1.9 mm (0.1 in)
19:00
Heavy rain
96% · SW 5 m/s (10 knots)
22°C (72°F)
1.6 mm (0.1 in)
20:00
Heavy rain showers
97% · SW 6 m/s (12 knots)
22°C (72°F)
1 mm (0.04 in)
21:00
Rain
97% · SW 6 m/s (12 knots)
21°C (70°F)
0.5 mm (0.02 in)
22:00
Rain
97% · W 6 m/s (12 knots)
21°C (70°F)
0.4 mm (0.02 in)
23:00
Heavy rain
96% · NW 8 m/s (16 knots)
20°C (68°F)
1.4 mm (0.1 in)
Tomorrow · Friday 16 Oct
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Heavy rain
|
18°C (64°F) | 1.1 mm (0.04 in) | 96% | NW 7 m/s (14 knots) |
| 01:00 |
Rain
|
16°C (61°F) | 0.4 mm (0.02 in) | 93% | NW 7 m/s (14 knots) |
| 02:00 |
Cloudy
|
15°C (59°F) | 0 mm (0 in) | 86% | NW 8 m/s (16 knots) |
| 03:00 |
Cloudy
|
15°C (59°F) | 0 mm (0 in) | 71% | NW 8 m/s (16 knots) |
| 04:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 72% | NW 7 m/s (14 knots) |
| 05:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 71% | NW 7 m/s (14 knots) |
| 06:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 70% | NW 7 m/s (14 knots) |
| 07:00 |
Cloudy
|
13°C (55°F) | 0 mm (0 in) | 69% | NW 7 m/s (14 knots) |
| 08:00 |
Clear skies
|
12°C (54°F) | 0 mm (0 in) | 56% | NW 8 m/s (16 knots) |
| 09:00 |
Mostly sunny
|
12°C (54°F) | 0 mm (0 in) | 54% | NW 7 m/s (14 knots) |
| 10:00 |
Partly cloudy
|
13°C (55°F) | 0 mm (0 in) | 52% | NW 9 m/s (17 knots) |
| 11:00 |
Cloudy
|
13°C (55°F) | 0 mm (0 in) | 49% | NW 9 m/s (17 knots) |
| 12:00 |
Cloudy
|
13°C (55°F) | 0 mm (0 in) | 50% | NW 9 m/s (17 knots) |
| 13:00 |
Cloudy
|
14°C (57°F) | 0 mm (0 in) | 50% | NW 9 m/s (17 knots) |
| 14:00 |
Partly cloudy
|
14°C (57°F) | 0 mm (0 in) | 51% | NW 8 m/s (16 knots) |
| 15:00 |
Rain showers
|
14°C (57°F) | 0.3 mm (0.01 in) | 53% | NW 8 m/s (16 knots) |
| 16:00 |
Rain showers
|
13°C (55°F) | 0.4 mm (0.02 in) | 60% | NW 9 m/s (17 knots) |
| 17:00 |
Mostly sunny
|
11°C (52°F) | 0 mm (0 in) | 71% | N 9 m/s (17 knots) |
| 18:00 |
Mostly clear
|
12°C (54°F) | 0 mm (0 in) | 71% | NW 7 m/s (14 knots) |
| 19:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 62% | NW 7 m/s (14 knots) |
| 20:00 |
Cloudy
|
11°C (52°F) | 0 mm (0 in) | 59% | NW 7 m/s (14 knots) |
| 21:00 |
Cloudy
|
11°C (52°F) | 0 mm (0 in) | 57% | N 7 m/s (14 knots) |
| 22:00 |
Cloudy
|
11°C (52°F) | 0 mm (0 in) | 58% | N 7 m/s (14 knots) |
| 23:00 |
Cloudy
|
11°C (52°F) | 0 mm (0 in) | 59% | N 6 m/s (12 knots) |
00:00
Heavy rain
96% · NW 7 m/s (14 knots)
18°C (64°F)
1.1 mm (0.04 in)
01:00
Rain
93% · NW 7 m/s (14 knots)
16°C (61°F)
0.4 mm (0.02 in)
02:00
Cloudy
86% · NW 8 m/s (16 knots)
15°C (59°F)
0 mm (0 in)
03:00
Cloudy
71% · NW 8 m/s (16 knots)
15°C (59°F)
0 mm (0 in)
04:00
Cloudy
72% · NW 7 m/s (14 knots)
14°C (57°F)
0 mm (0 in)
05:00
Cloudy
71% · NW 7 m/s (14 knots)
14°C (57°F)
0 mm (0 in)
06:00
Cloudy
70% · NW 7 m/s (14 knots)
14°C (57°F)
0 mm (0 in)
07:00
Cloudy
69% · NW 7 m/s (14 knots)
13°C (55°F)
0 mm (0 in)
08:00
Clear skies
56% · NW 8 m/s (16 knots)
12°C (54°F)
0 mm (0 in)
09:00
Mostly sunny
54% · NW 7 m/s (14 knots)
12°C (54°F)
0 mm (0 in)
10:00
Partly cloudy
52% · NW 9 m/s (17 knots)
13°C (55°F)
0 mm (0 in)
11:00
Cloudy
49% · NW 9 m/s (17 knots)
13°C (55°F)
0 mm (0 in)
12:00
Cloudy
50% · NW 9 m/s (17 knots)
13°C (55°F)
0 mm (0 in)
13:00
Cloudy
50% · NW 9 m/s (17 knots)
14°C (57°F)
0 mm (0 in)
14:00
Partly cloudy
51% · NW 8 m/s (16 knots)
14°C (57°F)
0 mm (0 in)
15:00
Rain showers
53% · NW 8 m/s (16 knots)
14°C (57°F)
0.3 mm (0.01 in)
16:00
Rain showers
60% · NW 9 m/s (17 knots)
13°C (55°F)
0.4 mm (0.02 in)
17:00
Mostly sunny
71% · N 9 m/s (17 knots)
11°C (52°F)
0 mm (0 in)
18:00
Mostly clear
71% · NW 7 m/s (14 knots)
12°C (54°F)
0 mm (0 in)
19:00
Partly cloudy
62% · NW 7 m/s (14 knots)
12°C (54°F)
0 mm (0 in)
20:00
Cloudy
59% · NW 7 m/s (14 knots)
11°C (52°F)
0 mm (0 in)
21:00
Cloudy
57% · N 7 m/s (14 knots)
11°C (52°F)
0 mm (0 in)
22:00
Cloudy
58% · N 7 m/s (14 knots)
11°C (52°F)
0 mm (0 in)
23:00
Cloudy
59% · N 6 m/s (12 knots)
11°C (52°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Saturday
17 Oct
10°C (50°F)
0 mm (0 in)
Clear skies
63% · N 5 m/s (10 knots)
6°C (43°F)
0 mm (0 in)
Clear skies
76% · N 4 m/s (8 knots)
13°C (55°F)
0 mm (0 in)
Clear skies
47% · N 2 m/s (4 knots)
11°C (52°F)
0 mm (0 in)
Clear skies
67% · NE 1 m/s (2 knots)
Sat
17 Oct
night
10°C (50°F)
0 mm (0 in)
Clear skies
63%
5 m/s (10 knots)
morning
6°C (43°F)
0 mm (0 in)
Clear skies
76%
4 m/s (8 knots)
afternoon
13°C (55°F)
0 mm (0 in)
Clear skies
47%
2 m/s (4 knots)
evening
11°C (52°F)
0 mm (0 in)
Clear skies
67%
1 m/s (2 knots)
Sunday
18 Oct
7°C (45°F)
0 mm (0 in)
Clear skies
82% · E 2 m/s (4 knots)
5°C (41°F)
0 mm (0 in)
Clear skies
86% · SE 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
41% · SE 2 m/s (4 knots)
11°C (52°F)
0 mm (0 in)
Clear skies
65% · E 2 m/s (4 knots)
Sun
18 Oct
night
7°C (45°F)
0 mm (0 in)
Clear skies
82%
2 m/s (4 knots)
morning
5°C (41°F)
0 mm (0 in)
Clear skies
86%
2 m/s (4 knots)
afternoon
15°C (59°F)
0 mm (0 in)
Clear skies
41%
2 m/s (4 knots)
evening
11°C (52°F)
0 mm (0 in)
Clear skies
65%
2 m/s (4 knots)
Monday
19 Oct
7°C (45°F)
0 mm (0 in)
Clear skies
78% · SE 2 m/s (4 knots)
5°C (41°F)
0 mm (0 in)
Clear skies
86% · NE 1 m/s (2 knots)
17°C (63°F)
0 mm (0 in)
Partly cloudy
42% · E 1 m/s (2 knots)
13°C (55°F)
0 mm (0 in)
Cloudy
62% · E 1 m/s (2 knots)
Mon
19 Oct
night
7°C (45°F)
0 mm (0 in)
Clear skies
78%
2 m/s (4 knots)
morning
5°C (41°F)
0 mm (0 in)
Clear skies
86%
1 m/s (2 knots)
afternoon
17°C (63°F)
0 mm (0 in)
Partly cloudy
42%
1 m/s (2 knots)
evening
13°C (55°F)
0 mm (0 in)
Cloudy
62%
1 m/s (2 knots)
Tuesday
20 Oct
9°C (48°F)
0 mm (0 in)
Partly cloudy
79% · E 1 m/s (2 knots)
6°C (43°F)
0 mm (0 in)
Clear skies
84% · NE 2 m/s (4 knots)
19°C (66°F)
0 mm (0 in)
Clear skies
39% · E 2 m/s (4 knots)
14°C (57°F)
0 mm (0 in)
Clear skies
61% · E 2 m/s (4 knots)
Tue
20 Oct
night
9°C (48°F)
0 mm (0 in)
Partly cloudy
79%
1 m/s (2 knots)
morning
6°C (43°F)
0 mm (0 in)
Clear skies
84%
2 m/s (4 knots)
afternoon
19°C (66°F)
0 mm (0 in)
Clear skies
39%
2 m/s (4 knots)
evening
14°C (57°F)
0 mm (0 in)
Clear skies
61%
2 m/s (4 knots)
Wednesday
21 Oct
9°C (48°F)
0 mm (0 in)
Clear skies
80% · E 2 m/s (4 knots)
6°C (43°F)
0 mm (0 in)
Clear skies
85% · E 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
Clear skies
39% · SE 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
63% · SE 2 m/s (4 knots)
Wed
21 Oct
night
9°C (48°F)
0 mm (0 in)
Clear skies
80%
2 m/s (4 knots)
morning
6°C (43°F)
0 mm (0 in)
Clear skies
85%
2 m/s (4 knots)
afternoon
20°C (68°F)
0 mm (0 in)
Clear skies
39%
2 m/s (4 knots)
evening
15°C (59°F)
0 mm (0 in)
Clear skies
63%
2 m/s (4 knots)
Thursday
22 Oct
10°C (50°F)
0 mm (0 in)
Clear skies
83% · SE 2 m/s (4 knots)
10°C (50°F)
0 mm (0 in)
Mostly sunny
88% · S 2 m/s (4 knots)
22°C (72°F)
0 mm (0 in)
Clear skies
39% · S 2 m/s (4 knots)
17°C (63°F)
0 mm (0 in)
Clear skies
61% · SE 2 m/s (4 knots)
Thu
22 Oct
night
10°C (50°F)
0 mm (0 in)
Clear skies
83%
2 m/s (4 knots)
morning
10°C (50°F)
0 mm (0 in)
Mostly sunny
88%
2 m/s (4 knots)
afternoon
22°C (72°F)
0 mm (0 in)
Clear skies
39%
2 m/s (4 knots)
evening
17°C (63°F)
0 mm (0 in)
Clear skies
61%
2 m/s (4 knots)
Friday
23 Oct
12°C (54°F)
0 mm (0 in)
Clear skies
78% · SE 2 m/s (4 knots)
10°C (50°F)
0 mm (0 in)
Clear skies
89% · S 1 m/s (2 knots)
23°C (73°F)
0 mm (0 in)
Clear skies
50% · NW 1 m/s (2 knots)
19°C (66°F)
0 mm (0 in)
Clear skies
72% · S ()
Fri
23 Oct
night
12°C (54°F)
0 mm (0 in)
Clear skies
78%
2 m/s (4 knots)
morning
10°C (50°F)
0 mm (0 in)
Clear skies
89%
1 m/s (2 knots)
afternoon
23°C (73°F)
0 mm (0 in)
Clear skies
50%
1 m/s (2 knots)
evening
19°C (66°F)
0 mm (0 in)
Clear skies
72%
()
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
O'Fallon weather by month
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