Weather forecast for todayCastro Valley, CA

Weather forecast for today

Current condition 1:51 am PST

  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 5mphENE 60°
  • Humidity: 81%
  • Dewpoint: 43°F
  • Pressure: 30.02"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, in Castro Valley, nothing but clear skies and excellent visibility.
The temperature is a chilly 48.2°F, while the real-feel temperature is a similar 46.4°F. The current temperature is at the minimum expected for today.

Saturday Oct 24, 2026

  • 73°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphN 350°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:25 am PDT
  • Sunset: 6:19 pm PDT
  • ▼
On Saturday, October 24, expect sunny weather with a crisp, clear sky.
The maximum forecasted temperature is a warm 73.4°F, while the minimum temperature will be a chilly 48.2°F.
The high temperature is anticipated to match October's standard maximum of 72.5°F.
Sunrise will be at 7:25 am and sunset at 6:19 pm; the daylight will last for 10h and 53min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 72°C.
Coldest period: 3 am - 6 am 50°C.

Chance of precipitation

Highest chance: 12 am 6%.

Hourly weather forecast

  • 4 am
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphE 87°
  • Humidity: 77%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphENE 66°
  • Humidity: 73%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:25 am
  • 8 am
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphENE 65°
  • Humidity: 68%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNNE 20°
  • Humidity: 53%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNNW 349°
  • Humidity: 44%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphNW 324°
  • Humidity: 36%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNW 311°
  • Humidity: 36%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphNW 306°
  • Humidity: 47%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:19 pm
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphNW 322°
  • Humidity: 65%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphNNW 334°
  • Humidity: 72%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, sunny conditions are likely to prevail.
The temperature will be between a maximum of 71.6°F and a minimum of 48.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature today will be comparable to October's average high. The minimum temperature will be more consistent with November's average low of 48.2°F than October's typical 54.3°F.
Updated: Oct 24, 2026 @ 09:51:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (1:51 am PST) it is 48.2°F in Castro Valley.

On Saturday, bright and sunny weather is expected.

Today, the highest temperature will be 73.4°F, while the lowest temperature will be 48.2°F.
The highest temperature will be in line with the average maximum of 72.5°F in October. The lowest temperature today will be slightly cooler than the average low temperature.

On Saturday, in Castro Valley, sunrise will be at 7:25 am and sunset at 6:19 pm (PDT).

Today, the daylight will last for 10h and 53min.

Castro Valley, California, USA

  • en: Castro Valley, California, USA
  • es: Castro Valley, California, EE.UU.
  • hr: Kastro Vali, Kalifornija, SAD
  • mk: Kastro Vali, Kalifornija, SAD
  • sr: Kastro Vali, Kalifornija, SAD
  • zh: 卡斯特罗谷, 加利福尼亚州, 美国
  • Latitude: 37.694097°
  • Longitude: -122.086352°
  • Elevation: 161 ft
  • Current time: 2:51am PST
  • Sunrise: 7:25 am PST
  • Sunset: 6:19 pm PST
  • Timezone: America/Los_Angeles

Nearby Castro Valley, California, USA

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