Weather forecast for 10 daysCharter Oak, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 90°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 205°
  • Humidity: 24%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
Today, in Charter Oak, expect consistent sunshine and open skies.
The temperature will vary between a maximum of a hot 89.6°F and a minimum of a breezy 64.4°F.
The expected high of 89.6°F appears seasonally off, better matching September's typical values.
Sunrise will be at 6:59 am and sunset at 6:13 pm; the daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest day: today 90°C.
Coldest day: Thursday 70°C.

Chance of precipitation

Highest chance: Wednesday 74%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 90°F
  • 64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 205°
  • Humidity: 24%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 86°F
  • 63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 202°
  • Humidity: 32%
  • UV index: 6
  • Sunrise: 7:00 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 82°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphS 182°
  • Humidity: 48%
  • UV index: 6
  • Sunrise: 7:00 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 77°F
  • 59°F
Rain
Rain
  • Precip. probability: 74%
  • Precipitation: 0"
  • Wind: 9mphS 177°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 55°F
Thundershowers
Thundershowers
  • Precip. probability: 61%
  • Precipitation: 0.51"
  • Wind: 6mphSSW 206°
  • Humidity: 71%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0.31"
  • Wind: 6mphSSW 213°
  • Humidity: 58%
  • UV index: 5
  • Sunrise: 7:03 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 206°
  • Humidity: 40%
  • UV index: 5
  • Sunrise: 7:04 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSW 207°
  • Humidity: 43%
  • UV index: 5
  • Sunrise: 7:05 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 7mphSSW 201°
  • Humidity: 50%
  • UV index: 5
  • Sunrise: 7:06 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 75°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphSSW 195°
  • Humidity: 49%
  • UV index: 5
  • Sunrise: 7:06 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
Mixed conditions are forecasted for the coming ten days, and a mix of clear, cloud-filled, damp and stormy weather is expected.
With a 61% probability, rainfall is forecasted only for Thursday. The precipitation will be moderate at 0.51".
Temperature variation will be noticeable over the next several days. Highs will range from 69.8°F to 89.6°F, while the lowest temperature will be between 55.4°F and 64.4°F.
The hottest day is today, with a maximum temperature of 89.6°F; Thursday will be the coldest day, with the highest temperature of 69.8°F.
Updated: Oct 18, 2026 @ 07:24:18 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, skies will stay clear and sunny.

Today, the highest temperature will be 89.6°F, while the lowest temperature will be 64.4°F.
The highest temperature will be noticeably higher than the average maximum of 78.3°F in October. Today, the lowest temperature will be moderately higher than the average low temperature.

On Sunday, in Charter Oak, sunrise will be at 6:59 am and sunset at 6:13 pm (PDT).

Today, the daylight will last for 11h and 14min.