Castro Valley (CA)
Tomorrow
Tomorrow weather in Castro Valley
Sunday, June 21st, 2026
26°
Sunny
The weather tomorrow in Castro Valley will be hotter than today, with temperatures rising to 25°.
26° / 12°
Temp
6%
Rain
15 km/h
Wind
69%
Humidity
Castro Valley Weather Pages
Castro Valley hourly forecast for tomorrow
Scroll right to see more weather forecasts for Castro Valley tomorrow
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 05:46 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 20:33 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  |  | | | |  | | | | | | | | | | | | | | | |  | | | | Next |
| temperatures | 13.2° | 13° | 12.4° | 12° | 11.8° | 11.6° | Sunrise | 12.4° | 13.8° | 15.8° | 18.1° | 20.4° | 22.4° | 23.9° | 24.7° | 24.9° | 24.5° | 23.5° | 22.1° | 20.5° | 18.7° | 16.4° | Sunset | 14.7° | 13.7° | 12.9° | |
| wind speed | 6 km/h | 6 km/h | 6 km/h | 6 km/h | 6 km/h | 5 km/h | 5 km/h | 4 km/h | 4 km/h | 4 km/h | 5 km/h | 7 km/h | 9 km/h | 11 km/h | 13 km/h | 15 km/h | 16 km/h | 14 km/h | 13 km/h | 11 km/h | 9 km/h | 8 km/h | 7 km/h | 7 km/h | |||
| wind degree | 251° | 251° | 251° | 247° | 249° | 247° | 236° | 224° | 230° | 239° | 251° | 261° | 269° | 271° | 272° | 275° | 276° | 276° | 273° | 270° | 267° | 260° | 258° | 255° | |||
| wind direction | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | WSW | WSW | W | W | W | W | W | W | W | W | W | W | W | WSW | WSW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 33% | 13% | 36% | 15% | 16% | 16% | 14% | 12% | 7% | 4% | 2% | 1% | 1% | 1% | 1% | 1% | 1% | 2% | 3% | 4% | 6% | 8% | 10% | 11% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 94% | 90% | 100% | 91% | 90% | 91% | 91% | 86% | 75% | 63% | 53% | 46% | 41% | 39% | 40% | 42% | 45% | 49% | 55% | 61% | 68% | 79% | 83% | 84% | |||
| dew point | 12.8° | 10.4° | 12.9° | 10.3° | 10.3° | 10.1° | 10° | 10.9° | 10.8° | 10.8° | 10.6° | 10.5° | 10.4° | 10.6° | 10.8° | 11.2° | 11.4° | 11.4° | 11.3° | 11.2° | 11° | 10.5° | 10.2° | 10° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 100% | 10% | 100% | 21% | 25% | 23% | 24% | 19% | 2% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.2 | 2.9 | 5.2 | 7.6 | 9.4 | 10.3 | 9.8 | 8.1 | 5.8 | 3.5 | 1.6 | 0.5 | 0 | 0 | 0 | 0 |
Weather in Castro Valley tomorrow
temperatures
26 °C
rain
0 mm
wind
15 km/h
UV
Very High
Castro Valley daylight overview ☀️
Tomorrow in Castro Valley, The sun rises at 05:46 and sets at 20:33, giving a total daylight duration of 14 hours and 47 minutes.
Quick links
More Castro Valley weather pages
What to wear tomorrow in Castro Valley? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Castro Valley forecast.
Short-sleeve shirt
Shorts
Lightweight trousers
Sunglasses
Wide brimmed hat
Sunscreen
The weather tomorrow in Castro Valley - FAQ
What is the maximum temperature for tomorrow in Castro Valley?
The maximum temperature for tomorrow in Castro Valley is expected to be 26° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Castro Valley? 🌧️
Yes, there is a 6% chance of rain in Castro Valley tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Castro Valley? 🌀
The wind in Castro Valley is expected to blow at 15 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Castro Valley tomorrow?
Given the forecast of 26 °C with a 6% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Castro Valley tomorrow.
What is the sunrise and sunset time for Castro Valley tomorrow?
The sun is expected to rise at 05:46 and set at 20:33 in Castro Valley.
How accurate is the weather forecast Castro Valley tomorrow? ✅
Castro Valley weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Castro Valley?Get accurate weather forecasts for Castro Valley, located at latitude 37.694 and longitude -122.086. Stay updated with localized weather information tailored for Castro Valley.
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