Sun Valley, AZ Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sun Valley, AZ in one place.
Sunny, with a high near 68. Northeast wind 10 to 18 mph, with gusts as high as 29 mph.
Local Weather Overview
This forecast page for Sun Valley, AZ 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 14, 2026 3:54 AM MST.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Sun Valley, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 3:54 AM MST
- Forecast office
- FGZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Sun Valley
Friday looks like the warmest upcoming period in Sun Valley at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Thursday Night at about 14 to 21 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 3:54 AM MST
- Coverage
- 6 days
- Time zone
- America/Phoenix
- Forecast office
- FGZ
- Radar station
- KFSX
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 49. Northeast wind 14 to 21 mph, with gusts as high as 33 mph.
Sunny, with a high near 70. East wind 16 to 20 mph, with gusts as high as 30 mph.
Mostly cloudy, with a low around 47. East wind 14 to 21 mph, with gusts as high as 33 mph.
A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 64. East wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 45. East wind 2 to 7 mph. Chance of precipitation is 20%.
Sunny, with a high near 67. Southeast wind around 6 mph.
Mostly clear, with a low around 47. East wind around 5 mph.
Sunny, with a high near 68. Southeast wind around 6 mph.
A slight chance of rain showers after 5am. Mostly clear, with a low around 49. East wind around 3 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 11am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 67. Southeast wind 2 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Sunny
|
68°F |
10 to 18 mph
NE
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
49°F |
14 to 21 mph
NE
|
|
Friday
Oct 16
|
Sunny
|
70°F |
16 to 20 mph
E
|
|
Friday Night
Oct 16
|
Mostly Cloudy
|
47°F |
14 to 21 mph
E
|
|
Saturday
Oct 17
|
Slight Chance Showers And Thunderstorms
|
64°F |
5 to 15 mph
E
|
|
Saturday Night
Oct 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
45°F |
2 to 7 mph
E
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
6 mph
SE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
47°F |
5 mph
E
|
|
Monday
Oct 19
|
Sunny
|
68°F |
6 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Clear then Slight Chance Rain Showers
|
49°F |
3 mph
E
|
|
Tuesday
Oct 20
|
Chance Showers And Thunderstorms
|
67°F |
2 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sun Valley.