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Weather in Cahokia, United States 🇺🇸

Weather Forecast in Cahokia

Current Weather in Cahokia

Heat Advisory issued July 20 at 2:10AM CDT until July 21 at 7:00PM CDT by NWS St Louis MO
Sunny
32°C
Feels like 35°C. Sunny.
🌬️ 10 km/h SSE
💧 68% Humidity
🧭 1010 hPa
👁️ 14.0 km Visibility
☀️ UV Index: 0.3
🌡️ Dew Point: 23°C
🌅 Sunrise: 05:52 AM
🌇 Sunset: 08:21 PM
Map Overlays:

Cahokia currently sits at 32°C, sunny, feeling like 35°C. Humidity sits at 68% and winds are near 10 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Cahokia range from about 18°C to 35°C. ⚠️ Heat Advisory issued July 20 at 2:10AM CDT until July 21 at 7:00PM CDT by NWS St Louis MO

Hourly Forecast for Cahokia

20:00
Sunny
31°
4%
21:00
Clear
30°
6%
22:00
Clear
29°
7%
23:00
Clear
29°
7%
00:00
Clear
28°
8%
01:00
Clear
27°
9%
02:00
Clear
27°
9%
03:00
Clear
27°
9%
04:00
Clear
27°
8%
05:00
Clear
27°
8%
06:00
Sunny
26°
8%
07:00
Partly Cloudy
26°
12%
08:00
Partly Cloudy
28°
12%
09:00
Thundery outbreaks in nearby
30°
8%
10:00
Sunny
31°
5%
11:00
Sunny
33°
4%
12:00
Sunny
34°
3%
13:00
Sunny
35°
1%
14:00
Sunny
35°
1%
15:00
Sunny
35°
1%
16:00
Sunny
33°
1%
17:00
Sunny
31°
2%
18:00
Sunny
29°
3%
19:00
Sunny
27°
4%

14-Day Forecast for Cahokia

Mon, Jul 20
Sunny Sunny
35° / 22°
Tue, Jul 21
Sunny Sunny
35° / 22°
Wed, Jul 22
Sunny Sunny
26° / 18°
Thu, Jul 23
Sunny Sunny
25° / 14°
Fri, Jul 24
Light rain Light rain
20° / 16°
Sat, Jul 25
Light rain shower Light rain shower
28° / 18°
Sun, Jul 26
Sunny Sunny
36° / 22°
Mon, Jul 27
Sunny Sunny
34° / 24°
Tue, Jul 28
Partly Cloudy Partly Cloudy
27° / 21°
Wed, Jul 29
Sunny Sunny
27° / 17°
Thu, Jul 30
Sunny Sunny
32° / 19°
Fri, Jul 31
Sunny Sunny
33° / 23°
Sat, Aug 01
Sunny Sunny
38° / 24°
Sun, Aug 02
Sunny Sunny
31° / 24°

Additional Forecasts for Cahokia

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 130.0 μg/m³
O₃ (Ozone) 118.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.0 μg/m³
SO₂ (Sulphur Dioxide) 4.0 μg/m³
PM2.5 (Fine particles) 8.3 μg/m³
PM10 (Coarse particles) 9.2 μg/m³

Historical Weather

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Best Time to Be Outside in Cahokia Today

The most comfortable window in Cahokia today looks like 20:00 to 07:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Cahokia

What is the temperature in Cahokia right now?

The current temperature in Cahokia is 32°C (89°F), sunny (feels like 35°C).

What's the weather like in Cahokia right now?

Conditions in Cahokia right now: Sunny, humidity 68%, wind 10 km/h SSE.

What is today's forecast for Cahokia?

Today in Cahokia: high 35°C, low 22°C, sunny. Chance of rain: 6%.

What is the 7-day weather forecast for Cahokia?

Daily highs and lows for Cahokia:

  • 2026-07-20: 35°C / 22°C
  • 2026-07-21: 35°C / 22°C
  • 2026-07-22: 26°C / 18°C
  • 2026-07-23: 25°C / 14°C
  • 2026-07-24: 20°C / 16°C
  • 2026-07-25: 28°C / 18°C
  • 2026-07-26: 36°C / 22°C
Is it going to rain in Cahokia today?

There is a 6% chance of rain in Cahokia today.

What is the wind speed in Cahokia right now?

Wind in Cahokia is currently 10 km/h (6 mph) from the SSE.

What is the UV index in Cahokia right now?

The UV index in Cahokia is currently 0.3 (low). Sun protection is recommended when the index is 3 or higher.

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