Weather forecast for 10 daysSun Valley, CA
Weather forecast for the weekend
Saturday Oct 17, 2026
- 88°F
- 63°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphESE 115°
- Humidity: 17%
- UV index: 5
- Sunrise: 7:00 am PDT
- Sunset: 6:16 pm PDT
- details ▼
On Saturday, in Sun Valley, expect partly sunny skies with periods of cloudiness.
The maximum temperature will be a blazing 87.8°F, while the minimum temperature will be a comfortable 62.6°F.
The expected high of 87.8°F appears seasonally off, better matching September's typical values.
Sunrise was at 7:00 am and sunset will be at 6:16 pm; the daylight will last for 11h and 16min.
The maximum temperature will be a blazing 87.8°F, while the minimum temperature will be a comfortable 62.6°F.
The expected high of 87.8°F appears seasonally off, better matching September's typical values.
Sunrise was at 7:00 am and sunset will be at 6:16 pm; the daylight will last for 11h and 16min.
Sunday Oct 18, 2026
- 88°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSE 138°
- Humidity: 26%
- UV index: 6
- Sunrise: 7:01 am PDT
- Sunset: 6:15 pm PDT
- details ▼
Tomorrow, in Sun Valley, sunshine is also forecasted under mostly clear skies.
Temperature readings will span from a daytime high of a blazing 87.8°F to a night low of an enjoyable 60.8°F.
Tomorrow, the temperature forecast of 87.8°F will better match September's climate average than that of October.
Sunrise will be at 7:01 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 14min.
Temperature readings will span from a daytime high of a blazing 87.8°F to a night low of an enjoyable 60.8°F.
Tomorrow, the temperature forecast of 87.8°F will better match September's climate average than that of October.
Sunrise will be at 7:01 am and sunset at 6:15 pm; tomorrow's daylight will last for 11h and 14min.
10-day overview
Daily temperatures
Warmest period: today - tomorrow 88°C.
Coldest day: Thursday 66°C.
Coldest day: Thursday 66°C.
Chance of precipitation
Highest chance: Thursday 67%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 88°F
- 63°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphESE 115°
- Humidity: 17%
- UV index: 5
- Sunrise: 7:00 am PDT
- Sunset: 6:16 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 88°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSE 138°
- Humidity: 26%
- UV index: 6
- Sunrise: 7:01 am PDT
- Sunset: 6:15 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 84°F
- 59°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphSSE 150°
- Humidity: 39%
- UV index: 6
- Sunrise: 7:02 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 79°F
- 59°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphSSE 147°
- Humidity: 50%
- UV index: 6
- Sunrise: 7:03 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 57°F
Showers
- Precip. probability: 65%
- Precipitation: 0.67"
- Wind: 9mphSE 127°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:04 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 66°F
- 54°F
Thundershowers
- Precip. probability: 67%
- Precipitation: 0.2"
- Wind: 9mphSE 134°
- Humidity: 75%
- UV index: 4
- Sunrise: 7:04 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 55°F
Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 8mphESE 113°
- Humidity: 62%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 57°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphE 99°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:06 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 57°F
Mostly Cloudy
- Precip. probability: 12%
- Precipitation: 0.04"
- Wind: 9mphESE 112°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:07 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 55°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 9mphESE 105°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:08 am PDT
- Sunset: 6:06 pm PDT
- details ▼
The weather will be unstable for the next ten days, and a mix of cloudy, sunny, showery and thunderstorm-prone weather is expected.
Rainfall is anticipated on Wednesday, Thursday and next Sunday.
Expect a substantial fluctuation in daytime highs over the next several days. Forecast highs will fluctuate between 66.2°F and 87.8°F, while the minimum temperature is forecast to range between 53.6°F and 62.6°F.
Saturday and Sunday, with the highest temperature of 87.8°F, will be the hottest days; the coldest day will be Thursday, with a maximum of 66.2°F.
Rainfall is anticipated on Wednesday, Thursday and next Sunday.
Expect a substantial fluctuation in daytime highs over the next several days. Forecast highs will fluctuate between 66.2°F and 87.8°F, while the minimum temperature is forecast to range between 53.6°F and 62.6°F.
Saturday and Sunday, with the highest temperature of 87.8°F, will be the hottest days; the coldest day will be Thursday, with a maximum of 66.2°F.
Updated: Oct 17, 2026 @ 17:02:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, occasional cloudiness will be present, but there will still be plenty of sun.
Today, the maximum temperature will be 87.8°F, while the minimum temperature will be 62.6°F.
Today, the highest temperature will be significantly higher than the average maximum of 77°F in October. The lowest temperature today will be moderately higher than the average low temperature.
Today, the highest temperature will be significantly higher than the average maximum of 77°F in October. The lowest temperature today will be moderately higher than the average low temperature.
On Saturday, in Sun Valley, sunrise was at 7:00 am and sunset will be at 6:16 pm (PDT).
In Sun Valley, the length of the day today will be 11h and 16min.
On Sunday, in Sun Valley, sunny skies are in store, with excellent visibility.
Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 60.8°F.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 77°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
The maximum temperature tomorrow will be uncommonly higher than the average highest temperature of 77°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Sun Valley, sunrise will be at 7:01 am and sunset at 6:15 pm (PDT).
In Sun Valley, the length of the day tomorrow will be 11h and 14min.





