easeweather.com
Units
°C
°F
Saint Louis County
Forecast Today Tomorrow
more
Missouri United States

Weather in Saint Louis County for March 2026

Your guide to Saint Louis County weather in March - trends and predictions

    Temperatures

  • In general, the average temperature in Saint Louis County at the beginning of March is 10.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.3 °F by the end of March.

  • Rain 🌧️

  • Saint Louis County experiences moderate rainfall in March, with an average of 8 rainy days and a total precipitation of 99.7 mm.

  • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/5°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Saint Louis County Weather March

Move between months or click on a day
Select a date

You can click on date

Access Saint Louis County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during March in Saint Louis County

See the weather trend as well as the moving average line

March weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Mar. 1 Cloudy
Cloudy
9° /1° 0 mm 2
Mar. 2 Partly cloudy
Partly cloudy
9° /-1° 0 mm 3
Mar. 3 Overcast
Overcast
10° /1° 0 mm 2
Mar. 4 Heavy rain
Heavy rain
12° /9° 52.7 mm 3
Mar. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
11° /1° 6.1 mm 3
Mar. 6 Cloudy
Cloudy
7° /-2° 0 mm 2
Mar. 7 Overcast
Overcast
14° /5° 0 mm 3
Mar. 8 Overcast
Overcast
12° /2° 0 mm 3
Mar. 9 Overcast
Overcast
14° /2° 0 mm 3
Mar. 10 Sunny
Sunny
22° /5° 0 mm 6
Mar. 11 Sunny
Sunny
21° /12° 0 mm 6
Mar. 12 Fog
Fog
24° /6° 0 mm 5
Mar. 13 Overcast
Overcast
20° /14° 0 mm 5
Mar. 14 Overcast
Overcast
23° /16° 0 mm 5
Mar. 15 Cloudy
Cloudy
20° /11° 2.5 mm 5
Mar. 16 Overcast
Overcast
9° /2° 0 mm 2
Mar. 17 Overcast
Overcast
15° /2° 0 mm 4
Mar. 18 Sunny
Sunny
14° /4° 0 mm 4
Mar. 19 Sunny
Sunny
19° /2° 0 mm 5
Mar. 20 Sunny
Sunny
12° /2° 0 mm 4
Mar. 21 Partly cloudy
Partly cloudy
13° /3° 0 mm 4
Mar. 22 Patchy rain possible
Patchy rain possible
17° /4° 0.6 mm 4
Mar. 23 Overcast
Overcast
14° /5° 12.9 mm 4
Mar. 24 Overcast
Overcast
14° /4° 0 mm 3
Mar. 25 Light rain shower
Light rain shower
17° /10° 17 mm 4
Mar. 26 Patchy rain possible
Patchy rain possible
15° /5° 0.3 mm 4
Mar. 27 Overcast
Overcast
16° /5° 0 mm 4
Mar. 28 Sunny
Sunny
19° /8° 17.6 mm 5
Mar. 29 Cloudy
Cloudy
21° /11° 0.1 mm 5
Mar. 30 Light drizzle
Light drizzle
21° /13° 2.9 mm 5
Mar. 31 Light rain shower
Light rain shower
19° /8° 1 mm 5
Next
Important Notice
Our weather forecast for Saint Louis County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Louis County forecast closer to your planned date for the most up-to-date weather information.

Saint Louis County in March - FAQ

What are the expected maximum and minimum temperatures in Saint Louis County during March?
During March, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Louis County during March?
Moderate rainfall is anticipated in Saint Louis County during March, with a total of 99.7 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Saint Louis County during March?
The average wind speed in Saint Louis County during March is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

March rainfall patterns in Saint Louis County

Explore the daily rainfall trends and prepare for Saint Louis Countys March weather 💧

UV exposure in Saint Louis County during March

Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
Top locations in Saint Louis County
Select a location for an accurate weather forecast
More Locations

Quick links

Location coordinates Where is Saint Louis County?

Get accurate weather forecasts for Saint Louis County, located at latitude 38.503 and longitude -90.628. Stay updated with localized weather information tailored for Saint Louis County.

Found a mistake?
We appreciate your attention to details. Tell us here.