10-Day Weather Forecast for Castro Valley (CA)
Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.
What's the weather in Castro Valley this week?
Today's weather - Sunday 6 Sep
For the rest of Sunday the predicted weather in Castro Valley is clear skies. The temperature will be around 19°C (66°F).
Tomorrow's weather - Monday 7 Sep
Tomorrow's weather in Castro Valley will be clear skies. High temperatures will reach a warm 23°C (73°F), with lows dropping to around 13°C (55°F).
10-Day Weather Forecast
The 10-day forecast shows that temperatures will reach 32°C (90°F) on Wednesday before declining again. During this period, expect daytime highs around 24°C (75°F) and nighttime lows around 16°C (61°F). These values are typical for September. The following 10 days will bring plenty of sunshine. Rainfall is expected to be more than usual (compared to typical September conditions). The forecast shows mostly dry conditions. There will be rain on around 1 day (Wed). Wind patterns will be generally calm.
Weather Forecast FAQ for Castro Valley
When will be the warmest day next week?
The warmest day is expected to be Wednesday with a high of 32°C (90°F).
When will be the coldest day?
The coldest day is forecasted for Monday with a low of 13°C (55°F).
Will it rain next week in Castro Valley?
Yes, rain is expected on 1 day , specifically on Wed.
How much rainfall is expected next week?
A total of 1 mm (0.04 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 13°C (55°F) to 32°C (90°F).
More about Castro Valley
Explore the full Castro Valley climate overview with monthly averages, or check rainfall data and temperature by month.
Castro Valley weather by month
Browse monthly averages for Castro Valley: climate by month with temperature, rainfall and sunshine.
Travel inspiration
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.