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Weather in East Saint Louis, United States 🇺🇸

Weather Forecast in East Saint Louis

Current Weather in East Saint Louis

Heat Advisory issued July 20 at 8:23PM CDT until July 21 at 7:00PM CDT by NWS St Louis MO
Patchy rain nearby
28°C
Feels like 32°C. Patchy rain nearby.
🌬️ 15 km/h WSW
💧 79% Humidity
🧭 1008 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 23°C
🌅 Sunrise: 05:53 AM
🌇 Sunset: 08:21 PM
Map Overlays:

East Saint Louis currently sits at 28°C, patchy rain nearby, feeling like 32°C. Expect 79% humidity and winds of about 15 km/h, and the UV index is 0 (low). Across the coming days, East Saint Louis should see roughly 14°C to 40°C. ⚠️ Heat Advisory issued July 20 at 8:23PM CDT until July 21 at 7:00PM CDT by NWS St Louis MO

Hourly Forecast for East Saint Louis

07:00
Sunny
28°
8%
08:00
Sunny
29°
7%
09:00
Sunny
31°
5%
10:00
Sunny
33°
3%
11:00
Patchy rain nearby
36°
27%
12:00
Sunny
37°
3%
13:00
Sunny
39°
1%
14:00
Sunny
40°
1%
15:00
Sunny
40°
0%
16:00
Sunny
39°
0%
17:00
Sunny
38°
0%
18:00
Sunny
29°
4%
19:00
Sunny
27°
4%
20:00
Sunny
25°
6%
21:00
Clear
24°
7%
22:00
Clear
23°
8%
23:00
Clear
22°
9%
00:00
Clear
21°
11%
01:00
Clear
20°
11%
02:00
Clear
20°
12%
03:00
Clear
19°
12%
04:00
Clear
19°
13%
05:00
Clear
18°
13%
06:00
Sunny
18°
13%

14-Day Forecast for East Saint Louis

Tue, Jul 21
Sunny Sunny
40° / 22°
Wed, Jul 22
Sunny Sunny
27° / 18°
Thu, Jul 23
Partly Cloudy Partly Cloudy
23° / 14°
Fri, Jul 24
Light rain Light rain
18° / 16°
Sat, Jul 25
Cloudy Cloudy
26° / 16°
Sun, Jul 26
Sunny Sunny
33° / 20°
Mon, Jul 27
Sunny Sunny
38° / 25°
Tue, Jul 28
Sunny Sunny
31° / 21°
Wed, Jul 29
Sunny Sunny
32° / 21°
Thu, Jul 30
Sunny Sunny
40° / 22°
Fri, Jul 31
Sunny Sunny
35° / 23°
Sat, Aug 01
Sunny Sunny
34° / 19°
Sun, Aug 02
Sunny Sunny
40° / 22°
Mon, Aug 03
Sunny Sunny
39° / 25°

Additional Forecasts for East Saint Louis

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 131.0 μg/m³
O₃ (Ozone) 46.0 μg/m³
NO₂ (Nitrogen Dioxide) 9.6 μg/m³
SO₂ (Sulphur Dioxide) 2.2 μg/m³
PM2.5 (Fine particles) 11.1 μg/m³
PM10 (Coarse particles) 12.6 μg/m³

Historical Weather

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Best Time to Be Outside in East Saint Louis Today

The most comfortable window in East Saint Louis today looks like 20:00 to 20:00, when it is around 25°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in East Saint Louis

What is the temperature in East Saint Louis right now?

The current temperature in East Saint Louis is 28°C (82°F), patchy rain nearby (feels like 32°C).

What's the weather like in East Saint Louis right now?

Conditions in East Saint Louis right now: Patchy rain nearby, humidity 79%, wind 15 km/h WSW.

What is today's forecast for East Saint Louis?

Today in East Saint Louis: high 40°C, low 22°C, sunny. Chance of rain: 36%.

What is the 7-day weather forecast for East Saint Louis?

Daily highs and lows for East Saint Louis:

  • 2026-07-21: 40°C / 22°C
  • 2026-07-22: 27°C / 18°C
  • 2026-07-23: 23°C / 14°C
  • 2026-07-24: 18°C / 16°C
  • 2026-07-25: 26°C / 16°C
  • 2026-07-26: 33°C / 20°C
  • 2026-07-27: 38°C / 25°C
Is it going to rain in East Saint Louis today?

There is a 36% chance of rain in East Saint Louis today. Total expected precipitation: 0.31 mm.

What is the wind speed in East Saint Louis right now?

Wind in East Saint Louis is currently 15 km/h (9 mph) from the WSW.

What is the UV index in East Saint Louis right now?

The UV index in East Saint Louis is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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