Sun Valley, ID Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sun Valley, ID in one place.
Sunny. High near 48, with temperatures falling to around 46 in the afternoon. Northeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Sun Valley, ID is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 13, 2026 12:23 PM MDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Sun Valley, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 12:23 PM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Sun Valley
Friday looks like the warmest upcoming period in Sun Valley at 56 degrees F.
Tonight is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Wednesday Night at about 6 to 9 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 13, 2026 12:23 PM MDT
- Coverage
- 8 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KSFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 32. North wind around 5 mph.
Sunny, with a high near 52. Northwest wind around 6 mph.
Mostly clear, with a low around 35. North wind 6 to 9 mph.
Sunny, with a high near 55. Southeast wind 2 to 6 mph.
Clear, with a low around 38.
Sunny, with a high near 56.
Clear, with a low around 39.
Sunny, with a high near 56.
Mostly clear, with a low around 41.
Sunny, with a high near 56.
Mostly clear, with a low around 41.
Sunny, with a high near 53.
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Sunny
|
48°F |
2 to 6 mph
NE
|
|
Tonight
Oct 13
|
Mostly Clear
|
32°F |
5 mph
N
|
|
Wednesday
Oct 14
|
Sunny
|
52°F |
6 mph
NW
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
35°F |
6 to 9 mph
N
|
|
Thursday
Oct 15
|
Sunny
|
55°F |
2 to 6 mph
SE
|
|
Thursday Night
Oct 15
|
Clear
|
38°F |
3 mph
NNW
|
|
Friday
Oct 16
|
Sunny
|
56°F |
3 to 7 mph
ENE
|
|
Friday Night
Oct 16
|
Clear
|
39°F |
1 to 5 mph
NNE
|
|
Saturday
Oct 17
|
Sunny
|
56°F |
1 to 7 mph
W
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
41°F |
1 to 5 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
56°F |
1 to 7 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
41°F |
2 to 6 mph
ENE
|
|
Monday
Oct 19
|
Sunny
|
53°F |
2 to 9 mph
ESE
|
|
Monday Night
Oct 19
|
Chance Light Rain
|
38°F |
2 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sun Valley.
