Live Weather & Forecast

Weather in Clayton

Missouri, United States · Real-time conditions & 3-day outlook

Flag of United States
Clear
22°C
Feels like 22°C
71°F / Feels 71°F
Clear
Clayton, Missouri
🌙 Nighttime
Updated: 2026-04-13 04:15
💧
Humidity
71%
💨
Wind
14.8 km/h SSW
🌬️
Wind Gust
24.7 km/h
🌡️
Pressure
1014 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
25%
💦
Dew Point
15.6°C
🌐
Wind Degree
191°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
160.9 μg/m³
NO₂
5.8 μg/m³
O₃
71 μg/m³
SO₂
2.2 μg/m³
PM 2.5
4.4 μg/m³
PM 10
4.5 μg/m³

Weather Alerts 2

Met · Severe · Immediate
Flood Warning issued April 12 at 11:41AM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Hannibal Clarksville Louisiana River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville. * WHEN...Until Monday, April 20. * ADDITI...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-12T11:41:00-05:00  ·  Expires: 2026-04-13T23:45:00-05:00
Met · Severe · Immediate
Flood Warning issued April 12 at 9:46PM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Hannibal. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville....

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-12T21:46:00-05:00  ·  Expires: 2026-04-14T10:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Clayton, Missouri

12 AM
Clear
21°
Clear
💧 67% 💨 19.1 km/h
1 AM
Clear
21°
Clear
💧 70% 💨 18 km/h
2 AM
Clear
21°
Clear
💧 72% 💨 17.6 km/h
3 AM
Clear
20°
Clear
💧 74% 💨 15.5 km/h
4 AM
Clear
22°
Clear
💧 71% 💨 14.8 km/h
5 AM
Clear
20°
Clear
💧 79% 💨 16.9 km/h
6 AM
Overcast
20°
Overcast
💧 80% 💨 17.6 km/h
7 AM
Partly Cloudy
20°
Partly Cloudy
💧 81% 💨 17.6 km/h
8 AM
Partly Cloudy
21°
Partly Cloudy
💧 81% 💨 20.5 km/h
9 AM
Cloudy
22°
Cloudy
💧 77% 💨 18.4 km/h
10 AM
Partly Cloudy
24°
Partly Cloudy
💧 72% 💨 21.6 km/h
11 AM
Partly Cloudy
26°
Partly Cloudy
💧 66% 💨 23 km/h
12 PM
Cloudy
27°
Cloudy
💧 62% 💨 22.7 km/h
1 PM
Partly Cloudy
28°
Partly Cloudy
💧 59% 💨 23.4 km/h
2 PM
Partly Cloudy
29°
Partly Cloudy
💧 54% 💨 23.8 km/h
3 PM
Partly Cloudy
29°
Partly Cloudy
💧 52% 💨 24.5 km/h
4 PM
Sunny
30°
Sunny
💧 49% 💨 24.5 km/h
5 PM
Sunny
27°
Sunny
💧 47% 💨 23.4 km/h
6 PM
Thundery outbreaks in nearby
26°
Thundery outbreaks in nearby
💧 73% 💨 23.4 km/h
7 PM
Overcast
25°
Overcast
💧 67% 💨 26.3 km/h
8 PM
Thundery outbreaks in nearby
24°
Thundery outbreaks in nearby
💧 74% 💨 24.1 km/h
9 PM
Thundery outbreaks in nearby
24°
Thundery outbreaks in nearby
💧 75% 💨 23.4 km/h
10 PM
Cloudy
23°
Cloudy
💧 78% 💨 22.3 km/h
11 PM
Clear
23°
Clear
💧 78% 💨 22 km/h

3-Day Forecast

Daily overview for Clayton, Missouri

Today
Partly Cloudy
Partly Cloudy
31° / 19°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
Partly Cloudy
28° / 21°
🌧️ 0% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 27 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Moderate rain
Moderate rain
25° / 21°
🌧️ 83% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 6.23 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 8% lit

Best Time to Visit Clayton

Plan your trip to Clayton, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Clayton 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Clayton?
Current conditions in Clayton: Clear, temperature 22°C, humidity 71%.
What is the best time to visit Clayton?
The best time to visit Clayton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Clayton?
Clayton is located at approximately 38.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Clayton?
The wettest period in Clayton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Clayton?
For visits to Clayton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Clayton in?
Clayton is located in United States, in the state of Missouri.
What are the public holidays in Clayton in 2026?
View the 2026 public holidays for Clayton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Clayton?
The weather forecast for Clayton uses coordinates 38.6504, -90.3362.