St Louis weather live forecast

Today's maximum temperature in St Louis is expected to be 21°C. Select a day from the live weather forecast for St Louis, Missouri, USA for more weather parameters.

Sunday
10th May
21

14

9

7
Monday
11th May
23

11

10

7
Tuesday
12th May
28

13

9

7
Wednesday
13th May
25

15

14

8
Thursday
14th May
24

12

7

7

5-day weather forecast updated at 04:00 on Sunday 10th 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 Sunday 10th May 2026

Expect sunshine and showers in St Louis, Missouri with a maximum temperature of 21°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 3% chance of some rain and little or no wind of 4 kph from the north.

21
°C maximum temperature
14
°C minimum temperature
sunshine and showers
9
hours of sunshine
7
UV index (High)
3
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
4
kph wind from N

St Louis weather for Monday 11th May 2026

Expect scattered clouds in St Louis, Missouri with a maximum temperature of 23°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 1 kph from the north-west.

23
°C maximum temperature
11
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
1
kph wind from NW

St Louis weather for Tuesday 12th May 2026

Expect sunshine and showers in St Louis, Missouri with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a light breeze of 9 kph from the south-west.

28
°C maximum temperature
13
°C minimum temperature
sunshine and showers
9
hours of sunshine
7
UV index (High)
40
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
kph wind from SW

St Louis weather for Wednesday 13th May 2026

Expect isolated thunderstorms in St Louis, Missouri with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a light breeze of 10 kph from the north-west.

25
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
14
hours of sunshine
8
UV index (Very High)
5
% chance of some rain
<2
mm of rainfall expected
25
°C wind chill
10
kph wind from NW

St Louis weather for Thursday 14th May 2026

Expect broken clouds in St Louis, Missouri with a maximum temperature of 24°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.