St. Clair area, State of Illinois, United States weather next 30 days
St. Clair weather next 30 days
Detailed forecasts cover the next 15 days; later days will be added when available.
20° / 34°Clear sky3%16.9 km/h
- Rainfall
- 0 mm
- Feels like
- 19° / 35°
- Gusts
- 32.4 km/h
- Wind direction
- Southwest
- Peak UV
- 5.2
22° / 28°Showers87%16.3 km/h
- Rainfall
- 16.5 mm
- Feels like
- 24° / 31°
- Gusts
- 44.3 km/h
- Wind direction
- West
- Peak UV
- 2.4
21° / 29°Thunderstorm73%23.1 km/h
- Rainfall
- 9.5 mm
- Feels like
- 23° / 31°
- Gusts
- 31.3 km/h
- Wind direction
- West
- Peak UV
- 5
8° / 21°Light drizzle17%32.6 km/h
- Rainfall
- 0.2 mm
- Feels like
- 4° / 22°
- Gusts
- 49 km/h
- Wind direction
- North
- Peak UV
- 5
4° / 15°Clear sky1%16.9 km/h
- Rainfall
- 0 mm
- Feels like
- 0° / 11°
- Gusts
- 34.6 km/h
- Wind direction
- Northeast
- Peak UV
- 4.6
3° / 19°Clear sky4%15.3 km/h
- Rainfall
- 0 mm
- Feels like
- -1° / 15°
- Gusts
- 30.6 km/h
- Wind direction
- Southeast
- Peak UV
- 4.6
9° / 24°Overcast5%21.8 km/h
- Rainfall
- 0 mm
- Feels like
- 6° / 22°
- Gusts
- 37.8 km/h
- Wind direction
- South
- Peak UV
- 4.1
14° / 22°Drizzle10%17.5 km/h
- Rainfall
- 3.6 mm
- Feels like
- 14° / 21°
- Gusts
- 32 km/h
- Wind direction
- Southeast
- Peak UV
- 3.9
13° / 26°Clear sky18%15.5 km/h
- Rainfall
- 0 mm
- Feels like
- 13° / 25°
- Gusts
- 29.5 km/h
- Wind direction
- East
- Peak UV
- 4.5
14° / 28°Overcast24%13.4 km/h
- Rainfall
- 0 mm
- Feels like
- 12° / 26°
- Gusts
- 24.1 km/h
- Wind direction
- Southeast
- Peak UV
- 4.3
18° / 25°Overcast30%19.4 km/h
- Rainfall
- 0 mm
- Feels like
- 15° / 23°
- Gusts
- 43.6 km/h
- Wind direction
- West
- Peak UV
- 2.7
14° / 21°Overcast26%17.9 km/h
- Rainfall
- 0 mm
- Feels like
- 10° / 18°
- Gusts
- 42.5 km/h
- Wind direction
- East
- Peak UV
- 2.4
16° / 27°Light drizzle16%39.3 km/h
- Rainfall
- 0.6 mm
- Feels like
- 13° / 22°
- Gusts
- 63 km/h
- Wind direction
- Southwest
- Peak UV
- 3.8
13° / 16°Overcast16%23.5 km/h
- Rainfall
- 0 mm
- Feels like
- 11° / 13°
- Gusts
- 43.2 km/h
- Wind direction
- North
- Peak UV
- 1.5
– / ––10%–
- Rainfall
- –
- Feels like
- – / –
- Gusts
- –
- Wind direction
- –
- Peak UV
- –
St. Clair temperature over the next 15 days
- High
- Low
Show data table
| Day | High | Low |
|---|---|---|
| 13/10 | 34.1°C | 20.1°C |
| 14/10 | 27.9°C | 21.8°C |
| 15/10 | 29.2°C | 20.9°C |
| 16/10 | 21.1°C | 8.4°C |
| 17/10 | 15°C | 4.3°C |
| 18/10 | 19.4°C | 3.4°C |
| 19/10 | 24.3°C | 9.2°C |
| 20/10 | 22°C | 14.4°C |
| 21/10 | 25.6°C | 13.2°C |
| 22/10 | 27.5°C | 13.7°C |
| 23/10 | 24.6°C | 18.1°C |
| 24/10 | 20.9°C | 13.5°C |
| 25/10 | 26.8°C | 16°C |
| 26/10 | 15.7°C | 13.1°C |
| 27/10 | – | – |
St. Clair chance of rain over the next 15 days
Bars show chance of rain (%); rainfall (mm) is in the data table
Show data table
| Day | Chance of rain | Rainfall |
|---|---|---|
| 13/10 | 3% | 0 mm |
| 14/10 | 87% | 16.5 mm |
| 15/10 | 73% | 9.5 mm |
| 16/10 | 17% | 0.2 mm |
| 17/10 | 1% | 0 mm |
| 18/10 | 4% | 0 mm |
| 19/10 | 5% | 0 mm |
| 20/10 | 10% | 3.6 mm |
| 21/10 | 18% | 0 mm |
| 22/10 | 24% | 0 mm |
| 23/10 | 30% | 0 mm |
| 24/10 | 26% | 0 mm |
| 25/10 | 16% | 0.6 mm |
| 26/10 | 16% | 0 mm |
| 27/10 | 10% | – |
Environment
AQI details →Air quality
52Moderate
Ultraviolet (UV)
0Low
Wind now
8km/h
Dew point
12°RH 78%
Sunrise & sunset
11h 19m of daylightNoon 12:46
Rise: 07:06Dawn 06:39
Set: 18:25Dusk 18:52
W
Detailed radar →Windy wind map & radar (St. Clair)
Data source: Weather data by Open-Meteo.com (CC BY 4.0)