Weather forecast for tomorrowSun Valley, CA
Weather forecast for tomorrow
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.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 86°C.
Coldest hour: 6 am 64°C.
Coldest hour: 6 am 64°C.
Chance of precipitation
Highest chance: 12 am - 9 pm 0%.
Hourly weather forecast
- 12 am
- 72°F
- Feels like:72°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphN 5°
- Humidity: 36%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 68°F
- Feels like:68°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphN 359°
- Humidity: 38%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 66°F
- Feels like:66°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphN 6°
- Humidity: 39%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 64°F
- Feels like:64°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNNE 12°
- Humidity: 40%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:01 am
- 8 am
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphN 358°
- Humidity: 38%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 47°
- Humidity: 27%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 138°
- Humidity: 20%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 6
- details ▼
- 2 pm
- 86°F
- Feels like:86°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSE 158°
- Humidity: 20%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 84°F
- Feels like:84°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 183°
- Humidity: 23%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 220°
- Humidity: 28%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:15 pm
- 8 pm
- 75°F
- Feels like:75°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphWSW 237°
- Humidity: 36%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 72°F
- Feels like:72°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 78°
- Humidity: 43%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of gloomy and sunny weather is forecasted.
The temperature will vary between a minimum of 62.6°F and a maximum of 86°F. The hottest part of the day will be at 2 pm and 3 pm.
Tomorrow, the expected high matches September's average of 83.3°F more than October's. The expected low will be alike with the average minimum in October, which is 58.1°F.
The temperature will vary between a minimum of 62.6°F and a maximum of 86°F. The hottest part of the day will be at 2 pm and 3 pm.
Tomorrow, the expected high matches September's average of 83.3°F more than October's. The expected low will be alike with the average minimum in October, which is 58.1°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
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.
