St Louis weather live forecast

Today's maximum temperature in St Louis is expected to be 33°C. Select a day from the live weather forecast for St Louis, Missouri, USA for more weather parameters.

Friday
9th Oct
33

18

11

5
Saturday
10th Oct
28

19

5

5
Sunday
11th Oct
28

18

10

5
Monday
12th Oct
36

20

10

6
Tuesday
13th Oct
35

23

9

5

5-day weather forecast updated at 04:00 on Friday 9th October 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 Friday 9th October 2026

Expect clear skies in St Louis, Missouri with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

33
°C maximum temperature
18
°C minimum temperature
clear skies
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from S

St Louis weather for Saturday 10th October 2026

Expect sunshine and showers in St Louis, Missouri with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and little or no wind of 6 kph from the south-east.

28
°C maximum temperature
19
°C minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
22
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
6
kph wind from SE

St Louis weather for Sunday 11th October 2026

Expect sunshine and showers in St Louis, Missouri with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and little or no wind of 4 kph from the north-east.

28
°C maximum temperature
18
°C minimum temperature
sunshine and showers
10
hours of sunshine
5
UV index (Moderate)
6
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
4
kph wind from NE

St Louis weather for Monday 12th October 2026

Expect scattered clouds in St Louis, Missouri with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

36
°C maximum temperature
20
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
9
kph wind from SW

St Louis weather for Tuesday 13th October 2026

Expect scattered clouds in St Louis, Missouri with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.