Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 31°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Friday
10th Jul
31

10

13

9
Saturday
11th Jul
32

13

15

11
Sunday
12th Jul
34

16

3

9
Monday
13th Jul
34

16

3

8
Tuesday
14th Jul
30

17

0

10

5-day weather forecast updated at 04:01 on Friday 10th July 2026 GMT

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

Sun Valley weather forecast by day

Below are the detailed weather forecasts for Sun Valley for the next 5 days.

Sun Valley weather for Friday 10th July 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

31
°C maximum temperature
10
°C minimum temperature
clear skies
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from N

Sun Valley weather for Saturday 11th July 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

32
°C maximum temperature
13
°C minimum temperature
clear skies
15
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from S

Sun Valley weather for Sunday 12th July 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

34
°C maximum temperature
16
°C minimum temperature
broken clouds
3
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from SW

Sun Valley weather for Monday 13th July 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

34
°C maximum temperature
16
°C minimum temperature
broken clouds
3
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from N

Sun Valley weather for Tuesday 14th July 2026

Expect mostly cloudy with light rain in Sun Valley, Idaho with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 10 (Very High) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a light breeze of 11 kph from the north.