Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 22°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Tuesday
26th May
22

10

6

UV8
Wednesday
27th May
23

7

5

UV7
Thursday
28th May
24

9

8

UV7
Friday
29th May
20

7

5

UV7
Saturday
30th May
19

5

5

UV7

5-day weather forecast updated at 04:01 on Tuesday 26th 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 Tuesday 26th May 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

22
°C maximum temperature
10
°C minimum temperature
broken clouds
6
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
22
°C wind chill
19
kph wind from SE

Sun Valley weather for Wednesday 27th May 2026

Expect isolated thunderstorms in Sun Valley, Idaho with a maximum temperature of 23°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 18 kph from the south-east.

23
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV7
UV index (High)
48
% chance of some rain
<2
mm of rainfall expected
23
°C wind chill
18
kph wind from SE

Sun Valley weather for Thursday 28th May 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 24°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

24
°C maximum temperature
9
°C minimum temperature
broken clouds
8
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
21
kph wind from SE

Sun Valley weather for Friday 29th May 2026

Expect isolated thunderstorms in Sun Valley, Idaho with a maximum temperature of 20°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 14 kph from the south.

20
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV7
UV index (High)
47
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from S

Sun Valley weather for Saturday 30th May 2026

Expect isolated thunderstorms in Sun Valley, Idaho with a maximum temperature of 19°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 62% chance of some rain and a light breeze of 11 kph from the south-west.