St George weather live forecast

Today's maximum temperature in St George is expected to be 42°C. Select a day from the live weather forecast for St George, Utah, USA for more weather parameters.

Friday
7th Aug
42

29

12

9
Saturday
8th Aug
43

29

12

9
Sunday
9th Aug
42

29

11

9
Monday
10th Aug
40

28

9

9
Tuesday
11th Aug
39

27

9

9

5-day weather forecast updated at 04:01 on Friday 7th August 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 Friday 7th August 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 42°C, very 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 10 kph from the south-west.

42
°C maximum temperature
29
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
10
kph wind from SW

St George weather for Saturday 8th August 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 43°C, very 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 11 kph from the south-west.

43
°C maximum temperature
29
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
11
kph wind from SW

St George weather for Sunday 9th August 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 42°C, very high 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 south-west.

42
°C maximum temperature
29
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
13
kph wind from SW

St George weather for Monday 10th August 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 40°C, very high 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 gentle breeze of 13 kph from the south-west.

40
°C maximum temperature
28
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
13
kph wind from SW

St George weather for Tuesday 11th August 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 39°C, very high 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 south-west.