St Louis weather live forecast

Today's maximum temperature in St Louis is expected to be 3°C. Select a day from the live weather forecast for St Louis, Missouri, USA for more weather parameters.

Tuesday
17th Mar
3

-7

5

4
Wednesday
18th Mar
16

2

7

5
Thursday
19th Mar
22

7

6

5
Friday
20th Mar
23

9

11

6
Saturday
21st Mar
27

13

10

5

5-day weather forecast updated at 04:00 on Tuesday 17th March 2026 GMT

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The 5-day weather forecast for Missouri (St Louis) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Louis weather forecast by day

Below are the detailed weather forecasts for St Louis for the next 5 days.

St Louis weather for Tuesday 17th March 2026

Expect broken clouds in St Louis, Missouri with a maximum temperature of 3°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

3
°C maximum temperature
-7
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
°C wind chill
11
kph wind from NW

St Louis weather for Wednesday 18th March 2026

Expect broken clouds in St Louis, Missouri with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

16
°C maximum temperature
2
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from S

St Louis weather for Thursday 19th March 2026

Expect broken clouds in St Louis, Missouri with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 1 kph from the south.

22
°C maximum temperature
7
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
1
kph wind from S

St Louis weather for Friday 20th March 2026

Expect clear skies in St Louis, Missouri with a maximum temperature of 23°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the west.

23
°C maximum temperature
9
°C minimum temperature
clear skies
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
2
kph wind from W

St Louis weather for Saturday 21st March 2026

Expect clear skies in St Louis, Missouri with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the south-west.