Weather forecast for 10 daysCastella, CA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 81°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 155°
  • Humidity: 24%
  • UV index: 4
  • Sunrise: 7:23 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
On Saturday, October 17, mainly sunny conditions will dominate the day.
Day and night temperatures will contrast sharply, ranging from a peak of a warm 80.6°F to a low of a chilly 42.8°F.
Today, the weather pattern will resemble September more than October, with a forecast high of 80.6°F.
Sunrise was at 7:23 am and sunset will be at 6:25 pm; the daylight will last for 11h and 2min.

Sunday Oct 18, 2026

  • 77°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 146°
  • Humidity: 34%
  • UV index: 4
  • Sunrise: 7:24 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
On Sunday, in Castella, sunny and dry conditions are also anticipated.
A notable temperature range, reaching a high of a moderately hot 77°F and a low of an icy 41°F, is predicted.
The warmer conditions bring a maximum of 77°F, more representative of September than October.
Sunrise will be at 7:24 am and sunset at 6:24 pm; tomorrow's daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest day: today 81°C.
Coldest day: Sunday 25.10. 61°C.

Chance of precipitation

Highest chance: Saturday 24.10. 44%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 81°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSSE 155°
  • Humidity: 24%
  • UV index: 4
  • Sunrise: 7:23 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 77°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 146°
  • Humidity: 34%
  • UV index: 4
  • Sunrise: 7:24 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 41°F
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 191°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:25 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 43°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphE 90°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:26 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphNNE 31°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:27 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0.04"
  • Wind: 4mphESE 106°
  • Humidity: 67%
  • UV index: 4
  • Sunrise: 7:29 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 66°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 4mphN 359°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:30 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 37°F
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 0.39"
  • Wind: 5mphESE 103°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:31 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 36°F
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 0.43"
  • Wind: 4mphNNE 32°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:32 am PDT
  • Sunset: 6:14 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 63°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 3mphNE 43°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:33 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
Models point to a combination of dull, dry and sunny and rain-soaked weather is forecasted.
Rainfall is predicted for Thursday, next Saturday and Sunday.
Temperature differences will be noticeable across the forecast period. The maximum temperature will vary between 60.8°F and 80.6°F, while nighttime temperatures are expected to vary from 35.6°F to 42.8°F.
Today is the warmest day, with a maximum temperature of 80.6°F; the coldest day will be next Sunday, with a maximum of 60.8°F.
Updated: Oct 17, 2026 @ 16:57:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, golden sunshine will carry through the day.

Today, the maximum temperature will be 80.6°F, while the minimum temperature will be 42.8°F.
Today, the maximum temperature will be significantly higher than the average highest temperature of 63.9°F in October. The lowest temperature today will be in line with the average low temperature.

On Saturday, in Castella, sunrise was at 7:23 am and sunset will be at 6:25 pm (PDT).

In Castella, the length of the day today will be 11h and 2min.

On Sunday, clear and sunny conditions are expected.

Tomorrow, the highest temperature will be 77°F, while the lowest temperature will be 41°F.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 63.9°F in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Castella, sunrise will be at 7:24 am and sunset at 6:24 pm (PDT).

In Castella, the length of the day tomorrow will be 10h and 59min.