St Louis weather live forecast

Today's maximum temperature in St Louis is expected to be 28°C. Select a day from the live weather forecast for St Louis, Missouri, USA for more weather parameters.

Saturday
9th May
28

12

12

7
Sunday
10th May
21

13

3

6
Monday
11th May
23

10

12

7
Tuesday
12th May
26

11

8

4
Wednesday
13th May
25

15

12

7

5-day weather forecast updated at 04:00 on Saturday 9th 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 Saturday 9th May 2026

Expect scattered clouds in St Louis, Missouri with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.

28
°C maximum temperature
12
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
6
kph wind from W

St Louis weather for Sunday 10th May 2026

Expect broken clouds in St Louis, Missouri with a maximum temperature of 21°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north.

21
°C maximum temperature
13
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
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 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the north-west.

23
°C maximum temperature
10
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
23
°C wind chill
2
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 26°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 34% chance of some rain and a light breeze of 11 kph from the south-west.

26
°C maximum temperature
11
°C minimum temperature
sunshine and showers
8
hours of sunshine
4
UV index (Moderate)
34
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

St Louis weather for Wednesday 13th May 2026

Expect scattered clouds in St Louis, Missouri with a maximum temperature of 25°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.