Skip to main content
Local Weather Radar Official LogoLocal Weather Radar Official Logo
Planning ahead in Saint Louis County? Our extended 14-Day Weather Forecast provides comprehensive 2-week predictions, including daily temperature highs/lows, precipitation probabilities, and long-term atmospheric trend outlooks.

Saint Louis County 14-Day Weather Forecast

Thursday, Oct 22, 2026

Nighttime
52°F

Sunny / Clear

Feels like 52°F

Humidity

87%

Wind Speed

2.7 mph

Precipitation

0 in

Pressure

1023 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

2%

Dew Point

43°F

14-Day Extended Weather Forecast

Today

Oct 22

Sunny / Clear
74°H
51°L
0%

Fri

Oct 23

Sunny / Clear
73°H
53°L
0%

Sat

Oct 24

Sunny / Clear
73°H
51°L
0%

Sun

Oct 25

Sunny / Clear
73°H
52°L
0%

Mon

Oct 26

Sunny / Clear
73°H
54°L
0%

Tue

Oct 27

Sunny / Clear
73°H
55°L
0%

Wed

Oct 28

Sunny / Clear
65°H
46°L
0%

Thu

Oct 29

Sunny / Clear
67°H
44°L
0%

Fri

Oct 30

Sunny / Clear
64°H
55°L
0%

Sat

Oct 31

Sunny / Clear
61°H
53°L
0%

Air Quality (AQI)

91Moderate

Air quality is acceptable. However, there may be a risk for some people.

PM2.5

71.2 µg/m³

PM10

71.9 µg/m³

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

305.7° NW

Sustained Wind

2.7 mph

Wind Gusts

2.7 mph

14-Day Temp Range

Expected 14-Day Swings

44°
74°

High and low limits expected over the next two weeks.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Saint Louis County · 38.64°N, 90.50°W
Radar Page
Coordinates38.6411°N, 90.4972°W
Elevationm
TimezoneAmerica/New_York

Nearby Cities in Missouri

More weather updates in Missouri

Explore all weather stations, radar maps, and localized forecasts.

Explore All Missouri Stations

Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)91Moderate
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

Our 14-day forecast for Saint Louis County shows detailed long-term predictions, including daily high and low temperatures, precipitation chances, and overall weather patterns.

About Saint Louis County Climate & Weather

Weather forecast for Saint Louis County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.