Weather forecast for 10 daysClayton, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 79°F
  • 50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSW 232°
  • Humidity: 47%
  • UV index: 5
  • Sunrise: 7:19 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
Today, in Clayton, uninterrupted sunshine is anticipated.
The peak daytime temperature will touch a moderately hot 78.8°F, while the nighttime temperature will descend to a cool 50°F.
The maximum temperature for today will be a few degrees higher than the regular high of 75°F in October.
Sunrise will be at 7:19 am and sunset at 6:26 pm; the daylight will last for 11h and 7min.

10-day overview

Daily temperatures

Warmest day: today 79°C.
Minimum temperature: 68°C.

Chance of precipitation

Highest chance: Wednesday 53%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 79°F
  • 50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSW 232°
  • Humidity: 47%
  • UV index: 5
  • Sunrise: 7:19 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 13mphWSW 243°
  • Humidity: 56%
  • UV index: 5
  • Sunrise: 7:20 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 54°F
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 6mphN 2°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:21 am PDT
  • Sunset: 6:23 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 52°F
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 0.12"
  • Wind: 6mphW 270°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:22 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 50°F
AM Showers
AM Showers
  • Precip. probability: 42%
  • Precipitation: 0.12"
  • Wind: 10mphWSW 243°
  • Humidity: 67%
  • UV index: 4
  • Sunrise: 7:23 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0.04"
  • Wind: 7mphWNW 299°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:24 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphW 271°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:25 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphWSW 253°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:26 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 7mphW 270°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:27 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 70°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphW 273°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:28 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
Looking ahead, conditions suggest a period of primarily overcast and occasionally rain-soaked and bright weather is forecasted.
With minimal precipitation of 0.12", rainfall is predicted for Wednesday and Thursday.
In the coming days, the highest temperature will range between 68°F and 78.8°F, while nighttime temperatures are expected to vary from 46.4°F to 53.6°F.
Today is the warmest day, with a maximum temperature of 78.8°F; with a maximum temperature of 68°F, Monday, Wednesday, Thursday and next Monday will be the coldest days.
Updated: Oct 18, 2026 @ 09:53:42 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Clayton, sun-filled conditions are expected to persist.

Today, the highest temperature will be 78.8°F, while the lowest temperature will be 50°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 75°F in October. Today, the lowest temperature will be also a few degrees lower than the average low temperature.

On Sunday, in Clayton, sunrise will be at 7:19 am and sunset at 6:26 pm (PDT).

In Clayton, today, there will be 11h and 7min of daylight.