Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 19°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Saturday
30th May
19

6

3

5
Sunday
31st May
18

4

0

8
Monday
1st Jun
20

3

5

7
Tuesday
2nd Jun
24

4

2

8
Wednesday
3rd Jun
26

7

4

6

5-day weather forecast updated at 04:01 on Saturday 30th May 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 Saturday 30th May 2026

Expect mostly cloudy with light rain in Sun Valley, Idaho with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 14 kph from the north-west.

19
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
77
% chance of some rain
<5
mm of rainfall expected
19
°C wind chill
14
kph wind from NW

Sun Valley weather for Sunday 31st May 2026

Expect overcast skies in Sun Valley, Idaho with a maximum temperature of 18°C, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

18
°C maximum temperature
4
°C minimum temperature
overcast skies
0
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

Sun Valley weather for Monday 1st June 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 20°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

20
°C maximum temperature
3
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
20
°C wind chill
14
kph wind from SW

Sun Valley weather for Tuesday 2nd June 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

24
°C maximum temperature
4
°C minimum temperature
broken clouds
2
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from SW

Sun Valley weather for Wednesday 3rd June 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 26°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.