St George weather live forecast

Today's maximum temperature in St George is expected to be 38°C. Select a day from the live weather forecast for St George, Utah, USA for more weather parameters.

Tuesday
12th May
38

22

12

9
Wednesday
13th May
33

23

7

9
Thursday
14th May
34

20

12

9
Friday
15th May
34

19

8

9
Saturday
16th May
34

19

12

9

5-day weather forecast updated at 04:01 on Tuesday 12th May 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 Tuesday 12th May 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 38°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

38
°C maximum temperature
22
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
12
kph wind from W

St George weather for Wednesday 13th May 2026

Expect broken clouds in St George, Utah with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

33
°C maximum temperature
23
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SW

St George weather for Thursday 14th May 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

34
°C maximum temperature
20
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from W

St George weather for Friday 15th May 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.