St George weather live forecast

Today's maximum temperature in St George is expected to be 36°C. Select a day from the live weather forecast for St George, Utah, USA for more weather parameters.

Friday
17th Jul
36

27

7

10
Saturday
18th Jul
38

28

7

11
Sunday
19th Jul
39

30

7

11
Monday
20th Jul
37

29

7

11
Tuesday
21st Jul
39

29

12

8

5-day weather forecast updated at 04:01 on Friday 17th July 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 17th July 2026

Expect isolated thunderstorms in St George, Utah with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a light breeze of 12 kph from the south-west.

36
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
34
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
12
kph wind from SW

St George weather for Saturday 18th July 2026

Expect broken clouds in St George, Utah with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.

38
°C maximum temperature
28
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
VH
very high heat & humidity
9
kph wind from W

St George weather for Sunday 19th July 2026

Expect broken clouds in St George, Utah with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

39
°C maximum temperature
30
°C minimum temperature
broken clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
VH
very high heat & humidity
8
kph wind from W

St George weather for Monday 20th July 2026

Expect isolated thunderstorms in St George, Utah with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a light breeze of 10 kph from the south-west.

37
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
24
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
10
kph wind from SW

St George weather for Tuesday 21st July 2026

Expect scattered clouds in St George, Utah with a maximum temperature of 39°C, very high 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 9 kph from the south-west.