Weather forecast for tomorrowSpring Valley, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 86°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWNW 285°
- Humidity: 30%
- UV index: 6
- Sunrise: 6:54 am PDT
- Sunset: 6:11 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, expect consistent sunshine and open skies.
The maximum anticipated temperature is a blazing 86°F, while the minimum temperature will be a breezy 60.8°F.
Tomorrow, the temperature will be higher and more consistent with September's typical high of 81.7°F than with October's 77°F.
Sunrise will be at 6:54 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 17min.
The maximum anticipated temperature is a blazing 86°F, while the minimum temperature will be a breezy 60.8°F.
Tomorrow, the temperature will be higher and more consistent with September's typical high of 81.7°F than with October's 77°F.
Sunrise will be at 6:54 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 17min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 84°C.
Coldest hour: 6 am 63°C.
Coldest hour: 6 am 63°C.
Chance of precipitation
Highest chance: 9 pm 1%.
Hourly weather forecast
- 12 am
- 70°F
- Feels like:70°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 75°
- Humidity: 31%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 66°F
- Feels like:66°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphE 83°
- Humidity: 35%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphE 84°
- Humidity: 40%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphE 84°
- Humidity: 45%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 6:54 am
- 8 am
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 64°
- Humidity: 43%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphSW 235°
- Humidity: 27%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 84°F
- Feels like:84°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphW 260°
- 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: 9mphW 281°
- Humidity: 21%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWNW 292°
- Humidity: 28%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:79°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphWNW 292°
- Humidity: 40%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:11 pm
- 8 pm
- 73°F
- Feels like:73°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNW 307°
- Humidity: 54%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 70°F
- Feels like:70°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphNW 305°
- Humidity: 61%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of mostly clear and gloomy weather is expected.
The temperature will vary between the lowest temperature of 62.6°F and the highest temperature of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
The highest temperature is more consistent with September's average maximum of 81.7°F than October's usual of 77°F. The night temperature will be comparable to the standard October low of 59.7°F.
The temperature will vary between the lowest temperature of 62.6°F and the highest temperature of 86°F. The hottest part of the day will be at 1 pm and 2 pm.
The highest temperature is more consistent with September's average maximum of 81.7°F than October's usual of 77°F. The night temperature will be comparable to the standard October low of 59.7°F.
Updated: Oct 17, 2026 @ 18:17:55 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, a sun-drenched sky is anticipated.
Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 60.8°F.
Tomorrow, the highest temperature will be relatively higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
Tomorrow, the highest temperature will be relatively higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Spring Valley, sunrise will be at 6:54 am and sunset at 6:11 pm (PDT).
In Spring Valley, tomorrow, there will be 11h and 17min of daylight.





