Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 52°F. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Wednesday
1st Apr
52

34

2

2
Thursday
2nd Apr
37

23

4

4
Friday
3rd Apr
50

21

11

6
Saturday
4th Apr
55

25

12

7
Sunday
5th Apr
61

28

12

6

5-day weather forecast updated at 04:01 on Wednesday 1st April 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 Wednesday 1st April 2026

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 52°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 95% chance of some sleet or snow and a gentle breeze of 9 mph from the south.

52
°F maximum temperature
34
°F minimum temperature
cloudy with sleet or snow
2
hours of sunshine
2
UV index (Low)
95
% chance of some sleet or snow
<20
mm of sleet/snow expected
52
°F wind chill
9
mph wind from S

Sun Valley weather for Thursday 2nd April 2026

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 37°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 51% chance of some sleet or snow and a moderate breeze of 12 mph from the west.

37
°F maximum temperature
23
°F minimum temperature
cloudy with sleet or snow
4
hours of sunshine
4
UV index (Moderate)
51
% chance of some sleet or snow
<10
mm of sleet/snow expected
30
°F wind chill
12
mph wind from W

Sun Valley weather for Friday 3rd April 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 50°F, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-west.

50
°F maximum temperature
21
°F minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
46
°F wind chill
6
mph wind from NW

Sun Valley weather for Saturday 4th April 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 55°F, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north.

55
°F maximum temperature
25
°F minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
55
°F wind chill
4
mph wind from N

Sun Valley weather for Sunday 5th April 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 61°F, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north.