Weather forecast for 10 daysMount Wilson, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 70°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 222°
  • Humidity: 30%
  • UV index: 6
  • Sunrise: 7:00 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Tomorrow, on Sunday, expect sunny weather with a crisp, clear sky.
Rainfall is not expected. Temperatures are anticipated to range from a maximum of a delightful 69.8°F to a minimum of a brisk 48.2°F.
Tomorrow, the forecasted high temperature will be relatively lower than the average October peak of 74.3°F.
Sunrise will be at 7:00 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest day: tomorrow 70°C.
Coldest day: Thursday 48°C.

Chance of precipitation

Highest chance: Thursday 78%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 48°F
Showers Early
Showers Early
  • Precip. probability: 58%
  • Precipitation: 0.04"
  • Wind: 8mphNNE 27°
  • Humidity: 40%
  • UV index: 0
  • Sunrise: 6:59 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 70°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSW 222°
  • Humidity: 30%
  • UV index: 6
  • Sunrise: 7:00 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 173°
  • Humidity: 36%
  • UV index: 6
  • Sunrise: 7:01 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 13mphSSE 161°
  • Humidity: 48%
  • UV index: 6
  • Sunrise: 7:01 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 57°F
  • 41°F
Showers
Showers
  • Precip. probability: 60%
  • Precipitation: 0.59"
  • Wind: 13mphSSE 159°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 48°F
  • 37°F
Thundershowers
Thundershowers
  • Precip. probability: 78%
  • Precipitation: 0.24"
  • Wind: 12mphS 185°
  • Humidity: 79%
  • UV index: 5
  • Sunrise: 7:03 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 55°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 11mphSW 216°
  • Humidity: 66%
  • UV index: 5
  • Sunrise: 7:04 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 61°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphSSE 155°
  • Humidity: 46%
  • UV index: 5
  • Sunrise: 7:05 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 59°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphSSE 155°
  • Humidity: 45%
  • UV index: 5
  • Sunrise: 7:06 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 12mphSSE 167°
  • Humidity: 57%
  • UV index: 5
  • Sunrise: 7:07 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
The next ten days will bring unstable conditions, and a mix of dry and sunny, wet, thunderstorm-prone and gloomy weather is predicted.
Rainfall is forecasted for Saturday, Wednesday and Thursday.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 48.2°F and 69.8°F, while the low temperature range extends from 37.4°F to 48.2°F.
Sunday is expected to be the warmest, reaching up to 69.8°F; Thursday will be the coldest day, with the highest temperature of 48.2°F.
Updated: Oct 18, 2026 @ 00:26:45 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, conditions remain stable and sunny, with little cloud presence.

No, it will not rain tomorrow.

Tomorrow, the highest temperature will be 69.8°F, while the lowest temperature will be 48.2°F.
Tomorrow, the maximum temperature will be slightly cooler than the average highest temperature in October. The lowest temperature will be also relatively lower than the average low of 55.6°F.

On Sunday, in Mount Wilson, sunrise will be at 7:00 am and sunset at 6:14 pm (PDT).

In Mount Wilson, tomorrow, there will be 11h and 14min of daylight.