Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 24°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Wednesday
27th May
24

7

7

7
Thursday
28th May
25

9

5

9
Friday
29th May
22

7

9

7
Saturday
30th May
15

6

3

4
Sunday
31st May
19

3

6

8

5-day weather forecast updated at 04:01 on Wednesday 27th May 2026 GMT

More about Sun Valley

Sun Valley by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Idaho

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 27th May 2026

Expect isolated thunderstorms in Sun Valley, Idaho with a maximum temperature of 24°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 19 kph from the south-east.

24
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
37
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
19
kph wind from SE

Sun Valley weather for Thursday 28th May 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

25
°C maximum temperature
9
°C minimum temperature
broken clouds
5
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
21
kph wind from SE

Sun Valley weather for Friday 29th May 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 22°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

22
°C maximum temperature
7
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
22
°C wind chill
15
kph wind from S

Sun Valley weather for Saturday 30th May 2026

Expect mostly cloudy with rain in Sun Valley, Idaho with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a light breeze of 12 kph from the west.

15
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
4
UV index (Moderate)
80
% chance of some rain
<10
mm of rainfall expected
15
°C wind chill
12
kph wind from W

Sun Valley weather for Sunday 31st May 2026

Expect mostly cloudy with light rain in Sun Valley, Idaho with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a light breeze of 10 kph from the south-west.