Wind
- Wind
- 3.6 km/h
- Wind direction
- 17° · NNE
Alton weather at a glance
Tuesday 01:25Weather forecast for Alton
21.2°
Clear sky
Low 20.3° · High 29.2°
Updated Aug 17, 20:1738.891°, -90.184° · 128 m
Tue
01:00
21.2°
0 mm
Tue
02:00
21°
0 mm
Tue
03:00
20.8°
0 mm
Tue
04:00
20.7°
0 mm
Tue
05:00
20.6°
0 mm
Tue
06:00
20.3°
0 mm
Tue
07:00
20.8°
0 mm
Tue
08:00
22.3°
0 mm
Tue
09:00
24°
0 mm
Tue
10:00
25.4°
0 mm
Tue
11:00
26.4°
0 mm
Tue
12:00
27.2°
0 mm
Tue
13:00
28°
0 mm
Tue
14:00
28.6°
0 mm
Tue
15:00
29.1°
0 mm
Tue
16:00
29.2°
0 mm
Tue
17:00
29.2°
0 mm
Tue
18:00
28.8°
0 mm
Tue
19:00
27.5°
0 mm
Tue
20:00
25.9°
0 mm
Tue
21:00
25.1°
0 mm
Tue
22:00
24.5°
0 mm
Tue
23:00
24.1°
0 mm
Wed
00:00
23.9°
0 mm
Wed
01:00
23.7°
1.3 mm
Wed
02:00
22.5°
1.4 mm
Wed
03:00
22.3°
0.5 mm
Wed
04:00
22.2°
0 mm
Wed
05:00
22.3°
0 mm
Wed
06:00
22.4°
0 mm
Wed
07:00
22.6°
0 mm
Wed
08:00
23.2°
0.3 mm
Wed
09:00
23.2°
0.5 mm
Wed
10:00
23.4°
0 mm
Wed
11:00
23.9°
0 mm
Wed
12:00
25°
0 mm
UV Index
0Low
Sunrise
- Sunrise
- 06:18
- Sunset
- 19:53
Humidity
88.8%
Rain
0 mm
Sea-level pressure
1,018.4 hPa
Cloud
3.9%
Dew point
19.4°
Daily outlook
Choose a day to focus the timeline and charts.
Tue
01:00
21.2°
0 mm
Tue
02:00
21°
0 mm
Tue
03:00
20.8°
0 mm
Tue
04:00
20.7°
0 mm
Tue
05:00
20.6°
0 mm
Tue
06:00
20.3°
0 mm
Tue
07:00
20.8°
0 mm
Tue
08:00
22.3°
0 mm
Tue
09:00
24°
0 mm
Tue
10:00
25.4°
0 mm
Tue
11:00
26.4°
0 mm
Tue
12:00
27.2°
0 mm
Tue
13:00
28°
0 mm
Tue
14:00
28.6°
0 mm
Tue
15:00
29.1°
0 mm
Tue
16:00
29.2°
0 mm
Tue
17:00
29.2°
0 mm
Tue
18:00
28.8°
0 mm
Tue
19:00
27.5°
0 mm
Tue
20:00
25.9°
0 mm
Tue
21:00
25.1°
0 mm
Tue
22:00
24.5°
0 mm
Tue
23:00
24.1°
0 mm
Wed
00:00
23.9°
0 mm
Wed
01:00
23.7°
1.3 mm
Wed
02:00
22.5°
1.4 mm
Wed
03:00
22.3°
0.5 mm
Wed
04:00
22.2°
0 mm
Wed
05:00
22.3°
0 mm
Wed
06:00
22.4°
0 mm
Wed
07:00
22.6°
0 mm
Wed
08:00
23.2°
0.3 mm
Wed
09:00
23.2°
0.5 mm
Wed
10:00
23.4°
0 mm
Wed
11:00
23.9°
0 mm
Wed
12:00
25°
0 mm
Forecast trends
Forecast highlights
Next precipitation
Wed 01:00 · 1.3 mm
Warmest point
Sat, 13 · 30.3°
Strongest wind
Mon, 19 · 15.5 km/h
Forecast detail
The timeline follows the provider's native resolution. Near-term data is more detailed; later periods may use wider steps.
Hourly · from Aug 18, 016-hour steps · from Aug 20, 13
Weather in nearby cities
Partly cloudy in Alton, Illinois, United States now, 22.4°C. Today 21.9–22.4°C, with hourly rain, wind and cloud forecasts plus the daily outlook.