Extended 10-day forecasts, Alton (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 Alton, 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 July climate page to see if the current temperatures in Alton is typical for this time of year.
Today · Saturday 18 Jul
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 04:00 |
Clear skies
|
25°C (77°F) | 0 mm (0 in) | 90% | W 3 m/s (6 knots) |
| 05:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 91% | W 3 m/s (6 knots) |
| 06:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 92% | W 3 m/s (6 knots) |
| 07:00 |
Clear skies
|
25°C (77°F) | 0 mm (0 in) | 89% | W 3 m/s (6 knots) |
| 08:00 |
Clear skies
|
26°C (79°F) | 0 mm (0 in) | 81% | W 3 m/s (6 knots) |
| 09:00 |
Clear skies
|
28°C (82°F) | 0 mm (0 in) | 75% | W 4 m/s (8 knots) |
| 10:00 |
Clear skies
|
29°C (84°F) | 0 mm (0 in) | 70% | W 4 m/s (8 knots) |
| 11:00 |
Light rain showers
|
31°C (88°F) | 0.1 mm (0 in) | 64% | W 4 m/s (8 knots) |
| 12:00 |
Clear skies
|
31°C (88°F) | 0 mm (0 in) | 58% | W 5 m/s (10 knots) |
| 13:00 |
Clear skies
|
32°C (90°F) | 0 mm (0 in) | 55% | W 5 m/s (10 knots) |
| 14:00 |
Clear skies
|
33°C (91°F) | 0 mm (0 in) | 53% | W 5 m/s (10 knots) |
| 15:00 |
Clear skies
|
33°C (91°F) | 0 mm (0 in) | 52% | W 5 m/s (10 knots) |
| 16:00 |
Heavy rain showers
|
33°C (91°F) | 1.4 mm (0.1 in) | 53% | W 5 m/s (10 knots) |
| 17:00 |
Partly cloudy
|
29°C (84°F) | 0 mm (0 in) | 76% | W 5 m/s (10 knots) |
| 18:00 |
Partly cloudy
|
30°C (86°F) | 0 mm (0 in) | 71% | NW 4 m/s (8 knots) |
| 19:00 |
Partly cloudy
|
29°C (84°F) | 0 mm (0 in) | 73% | W 2 m/s (4 knots) |
| 20:00 |
Mostly clear
|
28°C (82°F) | 0 mm (0 in) | 81% | W 2 m/s (4 knots) |
| 21:00 |
Mostly clear
|
27°C (81°F) | 0 mm (0 in) | 83% | W 2 m/s (4 knots) |
| 22:00 |
Partly cloudy
|
27°C (81°F) | 0 mm (0 in) | 86% | SW 1 m/s (2 knots) |
| 23:00 |
Partly cloudy
|
27°C (81°F) | 0 mm (0 in) | 87% | W 2 m/s (4 knots) |
04:00
Clear skies
90% · W 3 m/s (6 knots)
25°C (77°F)
0 mm (0 in)
05:00
Clear skies
91% · W 3 m/s (6 knots)
24°C (75°F)
0 mm (0 in)
06:00
Clear skies
92% · W 3 m/s (6 knots)
24°C (75°F)
0 mm (0 in)
07:00
Clear skies
89% · W 3 m/s (6 knots)
25°C (77°F)
0 mm (0 in)
08:00
Clear skies
81% · W 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
09:00
Clear skies
75% · W 4 m/s (8 knots)
28°C (82°F)
0 mm (0 in)
10:00
Clear skies
70% · W 4 m/s (8 knots)
29°C (84°F)
0 mm (0 in)
11:00
Light rain showers
64% · W 4 m/s (8 knots)
31°C (88°F)
0.1 mm (0 in)
12:00
Clear skies
58% · W 5 m/s (10 knots)
31°C (88°F)
0 mm (0 in)
13:00
Clear skies
55% · W 5 m/s (10 knots)
32°C (90°F)
0 mm (0 in)
14:00
Clear skies
53% · W 5 m/s (10 knots)
33°C (91°F)
0 mm (0 in)
15:00
Clear skies
52% · W 5 m/s (10 knots)
33°C (91°F)
0 mm (0 in)
16:00
Heavy rain showers
53% · W 5 m/s (10 knots)
33°C (91°F)
1.4 mm (0.1 in)
17:00
Partly cloudy
76% · W 5 m/s (10 knots)
29°C (84°F)
0 mm (0 in)
18:00
Partly cloudy
71% · NW 4 m/s (8 knots)
30°C (86°F)
0 mm (0 in)
19:00
Partly cloudy
73% · W 2 m/s (4 knots)
29°C (84°F)
0 mm (0 in)
20:00
Mostly clear
81% · W 2 m/s (4 knots)
28°C (82°F)
0 mm (0 in)
21:00
Mostly clear
83% · W 2 m/s (4 knots)
27°C (81°F)
0 mm (0 in)
22:00
Partly cloudy
86% · SW 1 m/s (2 knots)
27°C (81°F)
0 mm (0 in)
23:00
Partly cloudy
87% · W 2 m/s (4 knots)
27°C (81°F)
0 mm (0 in)
Tomorrow · Sunday 19 Jul
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Mostly clear
|
27°C (81°F) | 0 mm (0 in) | 88% | W 3 m/s (6 knots) |
| 01:00 |
Clear skies
|
26°C (79°F) | 0 mm (0 in) | 89% | W 2 m/s (4 knots) |
| 02:00 |
Mostly clear
|
26°C (79°F) | 0 mm (0 in) | 92% | NW 2 m/s (4 knots) |
| 03:00 |
Mostly clear
|
25°C (77°F) | 0 mm (0 in) | 95% | NW 2 m/s (4 knots) |
| 04:00 |
Mostly clear
|
25°C (77°F) | 0 mm (0 in) | 96% | W 2 m/s (4 knots) |
| 05:00 |
Light rain showers
|
25°C (77°F) | 0.1 mm (0 in) | 98% | W 2 m/s (4 knots) |
| 06:00 |
Light rain showers
|
24°C (75°F) | 0.1 mm (0 in) | 98% | SW 3 m/s (6 knots) |
| 07:00 |
Mostly sunny
|
25°C (77°F) | 0 mm (0 in) | 95% | NW 2 m/s (4 knots) |
| 08:00 |
Mostly sunny
|
26°C (79°F) | 0 mm (0 in) | 90% | NW 1 m/s (2 knots) |
| 09:00 |
Partly cloudy
|
27°C (81°F) | 0 mm (0 in) | 81% | N 1 m/s (2 knots) |
| 10:00 |
Partly cloudy
|
29°C (84°F) | 0 mm (0 in) | 74% | NE 2 m/s (4 knots) |
| 11:00 |
Partly cloudy
|
30°C (86°F) | 0 mm (0 in) | 71% | NE 2 m/s (4 knots) |
| 12:00 |
Cloudy
|
30°C (86°F) | 0 mm (0 in) | 68% | NE 2 m/s (4 knots) |
| 13:00 |
Light rain
|
31°C (88°F) | 0.1 mm (0 in) | 63% | NE 1 m/s (2 knots) |
| 14:00 |
Heavy rain
|
31°C (88°F) | 1.2 mm (0.05 in) | 62% | N 3 m/s (6 knots) |
| 15:00 |
Rain showers
|
28°C (82°F) | 0.6 mm (0.02 in) | 75% | NE 3 m/s (6 knots) |
| 16:00 |
Light rain showers
|
29°C (84°F) | 0.2 mm (0.01 in) | 73% | E 3 m/s (6 knots) |
| 17:00 |
Rain showers
|
29°C (84°F) | 0.4 mm (0.02 in) | 70% | E 2 m/s (4 knots) |
| 18:00 |
Rain showers
|
28°C (82°F) | 0.4 mm (0.02 in) | 74% | NW 2 m/s (4 knots) |
| 19:00 |
Mostly sunny
|
27°C (81°F) | 0 mm (0 in) | 86% | N 2 m/s (4 knots) |
| 20:00 |
Mostly clear
|
26°C (79°F) | 0 mm (0 in) | 91% | N 2 m/s (4 knots) |
| 21:00 |
Mostly clear
|
26°C (79°F) | 0 mm (0 in) | 95% | NE 1 m/s (2 knots) |
| 22:00 |
Clear skies
|
26°C (79°F) | 0 mm (0 in) | 93% | NE 3 m/s (6 knots) |
| 23:00 |
Clear skies
|
26°C (79°F) | 0 mm (0 in) | 90% | E 3 m/s (6 knots) |
00:00
Mostly clear
88% · W 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
01:00
Clear skies
89% · W 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
02:00
Mostly clear
92% · NW 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
03:00
Mostly clear
95% · NW 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
04:00
Mostly clear
96% · W 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
05:00
Light rain showers
98% · W 2 m/s (4 knots)
25°C (77°F)
0.1 mm (0 in)
06:00
Light rain showers
98% · SW 3 m/s (6 knots)
24°C (75°F)
0.1 mm (0 in)
07:00
Mostly sunny
95% · NW 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
08:00
Mostly sunny
90% · NW 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
09:00
Partly cloudy
81% · N 1 m/s (2 knots)
27°C (81°F)
0 mm (0 in)
10:00
Partly cloudy
74% · NE 2 m/s (4 knots)
29°C (84°F)
0 mm (0 in)
11:00
Partly cloudy
71% · NE 2 m/s (4 knots)
30°C (86°F)
0 mm (0 in)
12:00
Cloudy
68% · NE 2 m/s (4 knots)
30°C (86°F)
0 mm (0 in)
13:00
Light rain
63% · NE 1 m/s (2 knots)
31°C (88°F)
0.1 mm (0 in)
14:00
Heavy rain
62% · N 3 m/s (6 knots)
31°C (88°F)
1.2 mm (0.05 in)
15:00
Rain showers
75% · NE 3 m/s (6 knots)
28°C (82°F)
0.6 mm (0.02 in)
16:00
Light rain showers
73% · E 3 m/s (6 knots)
29°C (84°F)
0.2 mm (0.01 in)
17:00
Rain showers
70% · E 2 m/s (4 knots)
29°C (84°F)
0.4 mm (0.02 in)
18:00
Rain showers
74% · NW 2 m/s (4 knots)
28°C (82°F)
0.4 mm (0.02 in)
19:00
Mostly sunny
86% · N 2 m/s (4 knots)
27°C (81°F)
0 mm (0 in)
20:00
Mostly clear
91% · N 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
21:00
Mostly clear
95% · NE 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
22:00
Clear skies
93% · NE 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
23:00
Clear skies
90% · E 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Monday
20 Jul
25°C (77°F)
0 mm (0 in)
Clear skies
83% · E 4 m/s (8 knots)
24°C (75°F)
0.3 mm (0.01 in)
Mostly sunny
86% · E 2 m/s (4 knots)
32°C (90°F)
0.1 mm (0 in)
Partly cloudy
58% · NW 1 m/s (2 knots)
32°C (90°F)
0 mm (0 in)
Mostly clear
63% · SW 2 m/s (4 knots)
Mon
20 Jul
night
25°C (77°F)
0 mm (0 in)
Clear skies
83%
4 m/s (8 knots)
morning
24°C (75°F)
0.3 mm (0.01 in)
Mostly sunny
86%
2 m/s (4 knots)
afternoon
32°C (90°F)
0.1 mm (0 in)
Partly cloudy
58%
1 m/s (2 knots)
evening
32°C (90°F)
0 mm (0 in)
Mostly clear
63%
2 m/s (4 knots)
Tuesday
21 Jul
28°C (82°F)
0 mm (0 in)
Mostly clear
86% · SW 3 m/s (6 knots)
28°C (82°F)
0.2 mm (0.01 in)
Clear skies
80% · W 3 m/s (6 knots)
34°C (93°F)
0.4 mm (0.02 in)
Partly cloudy
57% · W 4 m/s (8 knots)
33°C (91°F)
0 mm (0 in)
Clear skies
50% · N 3 m/s (6 knots)
Tue
21 Jul
night
28°C (82°F)
0 mm (0 in)
Mostly clear
86%
3 m/s (6 knots)
morning
28°C (82°F)
0.2 mm (0.01 in)
Clear skies
80%
3 m/s (6 knots)
afternoon
34°C (93°F)
0.4 mm (0.02 in)
Partly cloudy
57%
4 m/s (8 knots)
evening
33°C (91°F)
0 mm (0 in)
Clear skies
50%
3 m/s (6 knots)
Wednesday
22 Jul
26°C (79°F)
0 mm (0 in)
Clear skies
68% · N 4 m/s (8 knots)
23°C (73°F)
0 mm (0 in)
Clear skies
76% · N 4 m/s (8 knots)
28°C (82°F)
0 mm (0 in)
Clear skies
42% · N 4 m/s (8 knots)
26°C (79°F)
0 mm (0 in)
Clear skies
45% · NE 3 m/s (6 knots)
Wed
22 Jul
night
26°C (79°F)
0 mm (0 in)
Clear skies
68%
4 m/s (8 knots)
morning
23°C (73°F)
0 mm (0 in)
Clear skies
76%
4 m/s (8 knots)
afternoon
28°C (82°F)
0 mm (0 in)
Clear skies
42%
4 m/s (8 knots)
evening
26°C (79°F)
0 mm (0 in)
Clear skies
45%
3 m/s (6 knots)
Thursday
23 Jul
20°C (68°F)
0 mm (0 in)
Partly cloudy
67% · E 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
Cloudy
68% · SE 2 m/s (4 knots)
24°C (75°F)
0 mm (0 in)
Cloudy
43% · S 1 m/s (2 knots)
26°C (79°F)
0 mm (0 in)
Cloudy
48% · S 2 m/s (4 knots)
Thu
23 Jul
night
20°C (68°F)
0 mm (0 in)
Partly cloudy
67%
2 m/s (4 knots)
morning
20°C (68°F)
0 mm (0 in)
Cloudy
68%
2 m/s (4 knots)
afternoon
24°C (75°F)
0 mm (0 in)
Cloudy
43%
1 m/s (2 knots)
evening
26°C (79°F)
0 mm (0 in)
Cloudy
48%
2 m/s (4 knots)
Friday
24 Jul
21°C (70°F)
3.1 mm (0.1 in)
Rain showers
62% · SE 2 m/s (4 knots)
18°C (64°F)
18 mm (0.7 in)
Heavy rain
88% · SE 2 m/s (4 knots)
24°C (75°F)
0 mm (0 in)
Partly cloudy
69% · SE 4 m/s (8 knots)
26°C (79°F)
6.1 mm (0.2 in)
Heavy rain showers
75% · E 3 m/s (6 knots)
Fri
24 Jul
night
21°C (70°F)
3.1 mm (0.1 in)
Rain showers
62%
2 m/s (4 knots)
morning
18°C (64°F)
18 mm (0.7 in)
Heavy rain
88%
2 m/s (4 knots)
afternoon
24°C (75°F)
0 mm (0 in)
Partly cloudy
69%
4 m/s (8 knots)
evening
26°C (79°F)
6.1 mm (0.2 in)
Heavy rain showers
75%
3 m/s (6 knots)
Saturday
25 Jul
22°C (72°F)
7.8 mm (0.3 in)
Heavy rain showers
96% · E 2 m/s (4 knots)
22°C (72°F)
0 mm (0 in)
Partly cloudy
98% · E 3 m/s (6 knots)
29°C (84°F)
0 mm (0 in)
Cloudy
69% · NE 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
Partly cloudy
73% · NE 3 m/s (6 knots)
Sat
25 Jul
night
22°C (72°F)
7.8 mm (0.3 in)
Heavy rain showers
96%
2 m/s (4 knots)
morning
22°C (72°F)
0 mm (0 in)
Partly cloudy
98%
3 m/s (6 knots)
afternoon
29°C (84°F)
0 mm (0 in)
Cloudy
69%
3 m/s (6 knots)
evening
27°C (81°F)
0 mm (0 in)
Partly cloudy
73%
3 m/s (6 knots)
Sunday
26 Jul
23°C (73°F)
2.1 mm (0.1 in)
Rain
79% · NE 4 m/s (8 knots)
19°C (66°F)
10 mm (0.4 in)
Heavy rain
89% · NE 3 m/s (6 knots)
22°C (72°F)
0.1 mm (0 in)
Cloudy
83% · E 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
Clear skies
73% · E 1 m/s (2 knots)
Sun
26 Jul
night
23°C (73°F)
2.1 mm (0.1 in)
Rain
79%
4 m/s (8 knots)
morning
19°C (66°F)
10 mm (0.4 in)
Heavy rain
89%
3 m/s (6 knots)
afternoon
22°C (72°F)
0.1 mm (0 in)
Cloudy
83%
2 m/s (4 knots)
evening
26°C (79°F)
0 mm (0 in)
Clear skies
73%
1 m/s (2 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Alton weather by month
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