Weather.st

Alton Weather

7°
Clear sky
Alton, Illinois, United States
Feels like 4° · Local time 00:00
5° warmer than this time yesterday

Hour by hour

No rain expected in the next 24 hours.

Now
7°
💧0%
1 AM
6°
💧0%
2 AM
6°
💧0%
3 AM
5°
💧0%
4 AM
5°
💧0%
5 AM
5°
💧0%
6 AM
4°
💧0%
7 AM
3°
💧0%
8 AM
5°
💧0%
9 AM
9°
💧0%
10 AM
13°
💧0%
11 AM
16°
💧0%
12 PM
18°
💧0%
1 PM
20°
💧0%
2 PM
20°
💧0%
3 PM
21°
💧0%
4 PM
20°
💧0%
5 PM
17°
💧0%
6 PM
15°
💧0%
7 PM
14°
💧0%
8 PM
13°
💧0%
9 PM
12°
💧0%
10 PM
12°
💧0%
11 PM
11°
💧0%

Rain radar

Loading radar…

Alton 16-day weather forecast

Today
Fog · 💧0%
3°21°
Tuesday, Nov 10
Clear sky · 💧1%
7°20°
Wednesday, Nov 11
Light drizzle · 💧53%
12°21°
Thursday, Nov 12
Overcast · 💧16%
5°13°
Friday, Nov 13
Overcast · 💧4%
1°7°
Saturday, Nov 14
Clear sky · 💧0%
-1°10°
Sunday, Nov 15
Overcast · 💧1%
3°17°
Monday, Nov 16
Overcast · 💧3%
12°18°
Tuesday, Nov 17
Overcast · 💧8%
15°22°
Wednesday, Nov 18
Mainly clear · 💧17%
12°22°
Thursday, Nov 19
Overcast · 💧25%
12°22°
Friday, Nov 20
Light showers · 💧30%
11°19°
Saturday, Nov 21
Light rain · 💧29%
7°11°
Sunday, Nov 22
Showers · 💧34%
4°12°
Monday, Nov 23
Light drizzle · 💧36%
3°8°
Tuesday, Nov 24
— · 💧28%
—°—°

Today's details

Feels like
4°
Humidity
73%
Dew point
2°
Wind
9 km/h N
Gusts
12 km/h
Pressure
1019 hPa · steady
UV index now
0 · max 4
Visibility
21 km
Sunrise / sunset
06:36 / 16:51
Moon
New Moon · 0% lit
Hour-by-hour detail — next 48 hours
TimeTempRainAmountHumidityWind
Now7°0%0.0 mm73%9 km/h
1 AM6°0%0.0 mm72%7 km/h
2 AM6°0%0.0 mm75%5 km/h
3 AM5°0%0.0 mm80%5 km/h
4 AM5°0%0.0 mm80%6 km/h
5 AM5°0%0.0 mm79%7 km/h
6 AM4°0%0.0 mm81%7 km/h
7 AM3°0%0.0 mm92%6 km/h
8 AM5°0%0.0 mm100%3 km/h
9 AM9°0%0.0 mm85%5 km/h
10 AM13°0%0.0 mm70%3 km/h
11 AM16°0%0.0 mm58%5 km/h
12 PM18°0%0.0 mm45%6 km/h
1 PM20°0%0.0 mm36%8 km/h
2 PM20°0%0.0 mm38%10 km/h
3 PM21°0%0.0 mm40%12 km/h
4 PM20°0%0.0 mm39%9 km/h
5 PM17°0%0.0 mm44%8 km/h
6 PM15°0%0.0 mm50%7 km/h
7 PM14°0%0.0 mm56%6 km/h
8 PM13°0%0.0 mm61%6 km/h
9 PM12°0%0.0 mm65%6 km/h
10 PM12°0%0.0 mm68%6 km/h
11 PM11°0%0.0 mm70%7 km/h
12 AM 11-1010°0%0.0 mm75%11 km/h
1 AM 11-1010°0%0.0 mm76%12 km/h
2 AM 11-1010°0%0.0 mm71%12 km/h
3 AM 11-1010°0%0.0 mm71%12 km/h
4 AM 11-1010°0%0.0 mm71%11 km/h
5 AM 11-109°0%0.0 mm76%9 km/h
6 AM 11-108°0%0.0 mm84%8 km/h
7 AM 11-107°0%0.0 mm89%8 km/h
8 AM 11-109°0%0.0 mm89%7 km/h
9 AM 11-1012°0%0.0 mm73%9 km/h
10 AM 11-1015°1%0.0 mm62%8 km/h
11 AM 11-1017°1%0.0 mm52%7 km/h
12 PM 11-1018°0%0.0 mm46%8 km/h
1 PM 11-1019°0%0.0 mm38%9 km/h
2 PM 11-1020°0%0.0 mm34%9 km/h
3 PM 11-1020°0%0.0 mm33%8 km/h
4 PM 11-1019°0%0.0 mm36%7 km/h
5 PM 11-1017°0%0.0 mm42%8 km/h
6 PM 11-1016°0%0.0 mm48%7 km/h
7 PM 11-1016°0%0.0 mm52%5 km/h
8 PM 11-1015°0%0.0 mm54%4 km/h
9 PM 11-1015°0%0.0 mm55%5 km/h
10 PM 11-1014°0%0.0 mm56%7 km/h
11 PM 11-1014°0%0.0 mm58%8 km/h

Air quality in Alton

52
US AQI — Moderate
PM2.5 6.1 µg/m³ · PM10 6.1 µg/m³ · O₃ 13 µg/m³

Frequently asked questions

What is the weather in Alton today?

Clear sky, currently 7° (feels like 4°), with a high of 21° and a low of 3°. No rain expected in the next 24 hours.

What is the air quality in Alton?

The air quality in Alton is moderate (US AQI 52). PM2.5 is 6.1 µg/m³ and PM10 is 6.1 µg/m³.

Nearby cities

Upper Alton · 4 kmGodfrey · 7 kmOld Jamestown · 11 kmSpanish Lake · 12 kmFlorissant · 16 kmFerguson · 19 kmHazelwood · 21 kmGranite City · 21 km