St George weather live forecast

Today's maximum temperature in St George is expected to be 29°C. Select a day from the live weather forecast for St George, Utah, USA for more weather parameters.

Wednesday
20th May
29

14

14

UV8
Thursday
21st May
31

15

11

UV9
Friday
22nd May
32

19

11

UV5
Saturday
23rd May
33

17

11

UV9
Sunday
24th May
34

19

9

UV9

5-day weather forecast updated at 04:01 on Wednesday 20th 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 Wednesday 20th May 2026

Expect clear skies in St George, Utah with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-west.

29
°C maximum temperature
14
°C minimum temperature
clear skies
14
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
4
kph wind from SW

St George weather for Thursday 21st May 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

31
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SW

St George weather for Friday 22nd May 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 32°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 12 kph from the south-west.

32
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SW

St George weather for Saturday 23rd May 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

33
°C maximum temperature
17
°C minimum temperature
scattered clouds
11
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from W

St George weather for Sunday 24th 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 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.