St Louis weather live forecast

Today's maximum temperature in St Louis is expected to be 24°C. Select a day from the live weather forecast for St Louis, Missouri, USA for more weather parameters.

Thursday
14th May
24

13

14

8
Friday
15th May
30

15

8

8
Saturday
16th May
29

20

3

3
Sunday
17th May
32

20

5

8
Monday
18th May
30

22

7

7

5-day weather forecast updated at 04:00 on Thursday 14th May 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 Thursday 14th May 2026

Expect clear skies in St Louis, Missouri with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

24
°C maximum temperature
13
°C minimum temperature
clear skies
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
24
°C wind chill
5
kph wind from SE

St Louis weather for Friday 15th May 2026

Expect isolated thunderstorms in St Louis, Missouri with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 35% chance of some rain and a light breeze of 10 kph from the south.

30
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
35
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
10
kph wind from S

St Louis weather for Saturday 16th May 2026

Expect isolated thunderstorms in St Louis, Missouri with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and little or no wind of 5 kph from the south.

29
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
3
UV index (Moderate)
63
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from S

St Louis weather for Sunday 17th May 2026

Expect mostly cloudy with light rain in St Louis, Missouri with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a gentle breeze of 14 kph from the south.

32
°C maximum temperature
20
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
8
UV index (Very High)
23
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from S

St Louis weather for Monday 18th May 2026

Expect isolated thunderstorms in St Louis, Missouri with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 14 kph from the south.