St George weather live forecast

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

Saturday
19th Sep
33

20

12

8
Sunday
20th Sep
34

18

10

8
Monday
21st Sep
33

20

2

8
Tuesday
22nd Sep
31

19

6

7
Wednesday
23rd Sep
33

18

10

8

5-day weather forecast updated at 04:01 on Saturday 19th September 2026 GMT

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

St George weather forecast by day

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

St George weather for Saturday 19th September 2026

Expect clear skies in St George, Utah with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

33
°C maximum temperature
20
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from W

St George weather for Sunday 20th September 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

34
°C maximum temperature
18
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from N

St George weather for Monday 21st September 2026

Expect broken clouds in St George, Utah with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-east.

33
°C maximum temperature
20
°C minimum temperature
broken clouds
2
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from NE

St George weather for Tuesday 22nd September 2026

Expect broken clouds in St George, Utah with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

31
°C maximum temperature
19
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from NE

St George weather for Wednesday 23rd September 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.