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New York CityPartly cloudy16°

St. Clair area, State of Illinois, United States weather

State of Illinois, United States

Updated

Data was updated about 13 h ago and may not be current. We are updating the forecast for St. Clair.

St. Clair weather

20°
Clear sky
Feels like 20°
Low/High: 19° / 34°
Humidity69%
Wind8 km/h
Visibility23.4 km
UV index0
Through the day:
Morning
22°60%
Afternoon
25°27%
Evening
30°1%
Night
27°10%

Today's everyday tips

What to wear today?Mild

Pleasantly cool: long sleeves or a shirt, perhaps with a light cardigan.

Suitability for light clothing85%
Good day to dry laundry?Great day

Dry and breezy, humidity 69%. Ideal for drying clothes and bedding quickly.

Drying index95%

St. Clair weather by the hour

Next 24 hours

  1. Clear sky34°Chance of rain 1%
  2. Clear sky32°Chance of rain 1%
  3. Clear sky30°Chance of rain 1%
  4. Clear sky28°Chance of rain 2%
  5. Clear sky27°Chance of rain 2%
  6. Clear sky27°Chance of rain 3%
  7. Clear sky27°Chance of rain 10%
  8. Clear sky26°Chance of rain 17%
  9. Clear sky26°Chance of rain 23%
  10. Overcast26°Chance of rain 23%
  11. Overcast27°Chance of rain 27%
  12. Overcast26°Chance of rain 35%
  13. Overcast26°Chance of rain 54%
  14. Overcast25°Chance of rain 58%
  15. Moderate rain22°Chance of rain 60%
  16. Light drizzle21°Chance of rain 45%
  17. Light drizzle22°Chance of rain 40%
  18. Overcast23°Chance of rain 36%
  19. Overcast24°Chance of rain 37%
  20. Overcast25°Chance of rain 34%
  21. Overcast25°Chance of rain 27%
  22. Overcast26°Chance of rain 21%
  23. Overcast27°Chance of rain 23%
  24. Overcast27°Chance of rain 34%

St. Clair weather, next 7 days

  1. 19°34°

    Clear sky · Rain 10%

  2. 21°27°

    Moderate rain · Rain 60%

  3. 20°32°

    Light showers · Rain 80%

  4. 9°22°

    Light drizzle · Rain 29%

  5. 4°16°

    Clear sky · Rain 1%

  6. 5°19°

    Overcast · Rain 1%

  7. 14°24°

    Overcast · Rain 8%

Environment

AQI details →
Air quality
52Moderate
Ultraviolet (UV)
0Low
Wind now
8km/h
Dew point
14°RH 69%

Sunrise & sunset

11h 17m of daylight
Noon 12:46
Rise: 07:07Dawn 06:40
Set: 18:24Dusk 18:51
W

Windy wind map & radar (St. Clair)

Detailed radar →

St. Clair weather trends, next 24 hours

Chance of rain & rainfall in St. Clair

Bars show chance of rain (%); hover for rainfall (mm)

Show data table
Chance of rain and rainfall by the hour
TimeChance of rainRainfall
17:001%0 mm
18:001%0 mm
19:001%0 mm
20:002%0 mm
21:002%0 mm
22:003%0 mm
23:0010%0 mm
00:0017%0 mm
01:0023%0 mm
02:0023%0 mm
03:0027%0 mm
04:0035%0 mm
05:0054%0 mm
06:0058%0 mm
07:0060%4.3 mm
08:0045%0.4 mm
09:0040%0.4 mm
10:0036%0 mm
11:0037%0 mm
12:0034%0 mm
13:0027%0 mm
14:0021%0 mm
15:0023%0 mm
16:0034%0 mm

Temperature & feels-like

Hourly air and feels-like temperature (°C)

  • Temperature
  • Feels like
Show data table
Temperature by the hour
TimeTemperatureFeels like
17:0033.7°C34.3°C
18:0032.1°C33.7°C
19:0029.6°C30.9°C
20:0028.3°C29.8°C
21:0027.3°C28.6°C
22:0027°C28.2°C
23:0026.6°C28.2°C
00:0026.4°C28°C
01:0026.4°C27.9°C
02:0026.4°C27.7°C
03:0026.8°C28.2°C
04:0026.3°C28.1°C
05:0025.7°C27°C
06:0024.7°C26°C
07:0021.6°C21.4°C
08:0021.2°C22.8°C
09:0021.7°C24.3°C
10:0023°C25.9°C
11:0024°C27.3°C
12:0025°C29°C
13:0024.8°C27.3°C
14:0025.7°C29.7°C
15:0026.5°C30.3°C
16:0026.7°C30°C

UV index by the hour

How strong the sun's UV is through the day

Show data table
UV index by the hour
TimeUV indexRating
17:001.8Low
18:000.6Low
19:000.1Low
20:000Low
21:000Low
22:000Low
23:000Low
00:000Low
01:000Low
02:000Low
03:000Low
04:000Low
05:000Low
06:000Low
07:000Low
08:000.1Low
09:000.2Low
10:000.2Low
11:000.3Low
12:000.6Low
13:000.8Low
14:000.7Low
15:001.3Low
16:000.9Low

Wind & gusts in St. Clair

In km/h

  • Wind speed (km/h)
  • Gusts (km/h)
Show data table
Wind by the hour
TimeWind speedGusts
17:0014.3 km/h24.8 km/h
18:007 km/h18 km/h
19:008 km/h20.9 km/h
20:008.7 km/h23 km/h
21:0010.8 km/h25.6 km/h
22:0013.6 km/h29.2 km/h
23:0012.4 km/h27.7 km/h
00:0012.5 km/h28.4 km/h
01:0012.8 km/h28.8 km/h
02:0014 km/h30.2 km/h
03:0014.8 km/h27.7 km/h
04:0012.7 km/h27 km/h
05:0017.1 km/h34.2 km/h
06:0016.1 km/h40.7 km/h
07:0023.4 km/h49 km/h
08:0012.1 km/h27.7 km/h
09:007.7 km/h20.5 km/h
10:007.6 km/h9.4 km/h
11:006.9 km/h10.1 km/h
12:002.6 km/h3.6 km/h
13:0011.4 km/h14.4 km/h
14:002.6 km/h3.6 km/h
15:003.6 km/h4.3 km/h
16:006 km/h7.2 km/h

Sun and moon in St. Clair

Daylight: 11 h 17 min

Sunrise time
07:07
Sunset time
18:24

Solar noon (sun highest)
12:46
Dawn – dusk
06:40 / 18:51
Morning blue hour
06:40 – 06:50
Evening blue hour
18:40 – 18:51
Morning golden hour
06:50 – 07:42
Evening golden hour
17:48 – 18:40

Waxing crescent · 10% illuminated

Moonrise 10:24 · moonset 19:54

Weather near St. Clair

Related places

More places in State of Illinois

Major cities in United States

St. Clair weather FAQ

It is currently about 20°C in St. Clair, feeling like 20°C. Conditions: Clear sky, humidity 69%, wind 8 km/h.

More tools for St. Clair

Data source: Weather data by Open-Meteo.com (CC BY 4.0)