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.

Thursday
28th May
24

9

9

8
Friday
29th May
21

8

2

6
Saturday
30th May
16

7

0

3
Sunday
31st May
18

5

8

7
Monday
1st Jun
22

3

8

8

5-day weather forecast updated at 04:01 on Thursday 28th 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 Thursday 28th May 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 9 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
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
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 21°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a gentle breeze of 13 kph from the south.

21
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
18
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
13
kph wind from S

Sun Valley weather for Saturday 30th May 2026

Expect isolated thunderstorms in Sun Valley, Idaho with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a light breeze of 11 kph from the north-west.

16
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
3
UV index (Moderate)
86
% chance of some rain
<10
mm of rainfall expected
16
°C wind chill
11
kph wind from NW

Sun Valley weather for Sunday 31st May 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 18°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

18
°C maximum temperature
5
°C minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from W

Sun Valley weather for Monday 1st June 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.