Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 20°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Friday
10th Apr
20

4

5

6
Saturday
11th Apr
12

2

3

4
Sunday
12th Apr
12

1

3

3
Monday
13th Apr
10

-2

11

5
Tuesday
14th Apr
12

-3

9

6

5-day weather forecast updated at 04:01 on Friday 10th 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 Friday 10th April 2026

Expect mostly cloudy with light rain in Sun Valley, Idaho with a maximum temperature of 20°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 15 kph from the north.

20
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
6
UV index (High)
52
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
kph wind from N

Sun Valley weather for Saturday 11th April 2026

Expect isolated thunderstorms in Sun Valley, Idaho with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 13 kph from the south-west.

12
°C maximum temperature
2
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
95
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
13
kph wind from SW

Sun Valley weather for Sunday 12th April 2026

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 91% chance of some sleet or snow and a gentle breeze of 15 kph from the south.

12
°C maximum temperature
1
°C minimum temperature
cloudy with sleet or snow
3
hours of sunshine
3
UV index (Moderate)
91
% chance of some sleet or snow
<10
mm of sleet/snow expected
0
no heat & humidity
15
kph wind from S

Sun Valley weather for Monday 13th April 2026

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 10°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 55% chance of some sleet or snow and a light breeze of 9 kph from the south-west.

10
°C maximum temperature
-2
°C minimum temperature
cloudy with sleet or snow
11
hours of sunshine
5
UV index (Moderate)
55
% chance of some sleet or snow
<2
mm of sleet/snow expected
0
no heat & humidity
9
kph wind from SW

Sun Valley weather for Tuesday 14th April 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 12°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.