Clayton, MO Weather Forecast
St. Louis County, Missouri
Live radar, warnings and storm tracking for Clayton, with free alerts the moment it counts.
The next few hours
A dry evening, clear
It is 51° with a dew point of 44°, which is dry for this time of year. The sky is clear.
Nothing in the next day and a half is wet enough to move plans for.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Quiet through the next day and a half
Nothing wet is expected over the next day and a half.
The overnight low settles near 44°. Tomorrow tops out near 50°.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
28–61°F across the weekThe week runs between 28° and 52°, with Tuesday the warmest day of it. There is no real trend across it: one day looks much like the next. Every day in the outlook stays dry.
Free alerts for Clayton
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Clayton, MO at a glance
Clayton is home to about 17,461 people in St. Louis County, across 2.5 square miles. It ranks 44th by population of 211 places in Missouri with a forecast here. The nearest neighbour with its own forecast is Richmond Heights, 1 miles away.
- County
- St. Louis County
- Population
- 17,461 2023 est.
- Land area
- 2.5 sq mi
- People per sq mi
- 6,965
- Forecast point
- 38.6444°N, 90.3302°W
How well can the network see Clayton?
The nearest Doppler radar is KLSX (St. Louis, MO), to the WNW. Its lowest scan passes about 1,100 ft above Clayton. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Clayton show up clearly. Clayton is closer to its radar than 86% of US cities.
The closest weather station is KSTL (St Louis/Lambert Intl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Clayton
- Richmond Heights, MO1 mi
- University City, MO1 mi
- Brentwood, MO2 mi
- Maplewood, MO2 mi
- Pagedale, MO3 mi
- Ladue, MO3 mi
- Rock Hill, MO3 mi
- Olivette, MO3 mi
Elsewhere in Missouri
Kansas CitySt. LouisSpringfieldColumbiaIndependenceLee's SummitAll Missouri forecasts →