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Weather in Clayton, United States 🇺🇸

Current Weather in Clayton

Flood Warning issued June 16 at 10:13AM CDT until June 19 at 1:00AM CDT by NWS St Louis MO
Partly cloudy
19°C
Feels like 19°C. Partly cloudy.
🌬️ 7 km/h ESE
💧 70% Humidity
🧭 1008 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 12°C
🌅 Sunrise: 05:36 AM
🌇 Sunset: 08:28 PM
Map Overlays:

In Clayton right now it is 19°C and partly cloudy, feeling like 19°C. Humidity is 70% with winds around 7 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Clayton range from about 17°C to 35°C. ⚠️ Flood Warning issued June 16 at 10:13AM CDT until June 19 at 1:00AM CDT by NWS St Louis MO

Hourly Forecast for Clayton

03:00
Clear
17°
9%
04:00
Clear
17°
8%
05:00
Clear
17°
9%
06:00
Sunny
18°
11%
07:00
Sunny
20°
11%
08:00
Sunny
22°
9%
09:00
Sunny
25°
7%
10:00
Sunny
28°
4%
11:00
Sunny
30°
3%
12:00
Patchy rain nearby
32°
8%
13:00
Patchy rain nearby
33°
17%
14:00
Patchy rain nearby
34°
18%
15:00
Patchy rain nearby
34°
7%
16:00
Sunny
35°
2%
17:00
Sunny
34°
1%
18:00
Thundery outbreaks in nearby
33°
3%
19:00
Thundery outbreaks in nearby
31°
12%
20:00
Patchy light rain in area with thunder
29°
57%
21:00
Moderate or heavy rain shower
27°
68%
22:00
Patchy rain nearby
26°
39%
23:00
Patchy rain nearby
25°
22%
00:00
Patchy rain nearby
24°
26%
01:00
Clear
23°
9%
02:00
Clear
21°
6%

14-Day Forecast for Clayton

Wed, Jun 17
Patchy rain nearby Patchy rain nearby
35° / 17°
Thu, Jun 18
Sunny Sunny
26° / 18°
Fri, Jun 19
Sunny Sunny
27° / 17°
Sat, Jun 20
Sunny Sunny
29° / 18°
Sun, Jun 21
Moderate rain Moderate rain
26° / 20°
Mon, Jun 22
Cloudy Cloudy
25° / 16°
Tue, Jun 23
Patchy rain nearby Patchy rain nearby
22° / 17°
Wed, Jun 24
Patchy rain nearby Patchy rain nearby
25° / 18°
Thu, Jun 25
Sunny Sunny
30° / 18°
Fri, Jun 26
Sunny Sunny
35° / 21°
Sat, Jun 27
Sunny Sunny
37° / 25°
Sun, Jun 28
Sunny Sunny
37° / 25°
Mon, Jun 29
Patchy rain nearby Patchy rain nearby
35° / 25°
Tue, Jun 30
Partly Cloudy Partly Cloudy
35° / 24°

Additional Forecasts for Clayton

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 157.0 μg/m³
O₃ (Ozone) 46.0 μg/m³
NO₂ (Nitrogen Dioxide) 16.8 μg/m³
SO₂ (Sulphur Dioxide) 1.6 μg/m³
PM2.5 (Fine particles) 9.0 μg/m³
PM10 (Coarse particles) 9.5 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Clayton Today

The most comfortable window in Clayton today looks like 07:00 to 09:00, when it is around 22°C. It should stay dry through that window. The next likely rain is around 20:00.

Frequently Asked Questions about Weather in Clayton

What is the temperature in Clayton right now?

The current temperature in Clayton is 19°C (66°F), partly cloudy (feels like 19°C).

What's the weather like in Clayton right now?

Conditions in Clayton right now: Partly cloudy, humidity 70%, wind 7 km/h ESE.

What is today's forecast for Clayton?

Today in Clayton: high 35°C, low 17°C, patchy rain nearby. Chance of rain: 57%.

What is the 7-day weather forecast for Clayton?

Daily highs and lows for Clayton:

  • 2026-06-17: 35°C / 17°C
  • 2026-06-18: 26°C / 18°C
  • 2026-06-19: 27°C / 17°C
  • 2026-06-20: 29°C / 18°C
  • 2026-06-21: 26°C / 20°C
  • 2026-06-22: 25°C / 16°C
  • 2026-06-23: 22°C / 17°C
Is it going to rain in Clayton today?

There is a 57% chance of rain in Clayton today. Total expected precipitation: 4.53 mm.

What is the wind speed in Clayton right now?

Wind in Clayton is currently 7 km/h (4 mph) from the ESE.

What is the UV index in Clayton right now?

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

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