Tomorrow's weather in Castro Valley will be light rain showers during the afternoon. High temperatures will reach a mild 17°C (63°F), with lows dropping to around 11°C (52°F).

10-Day Weather Forecast

The 10-day forecast shows that temperatures will reach 21°C (70°F) on Wednesday before declining again. During this period, expect daytime highs around 18°C (64°F) and nighttime lows around 12°C (54°F). These values are a bit cooler than usual for October. The following 10 days will bring plenty of sunshine. Rainfall is expected to be much less than usual (compared to typical October conditions). The forecast shows mostly dry conditions. The wind will be generally calm during this period.

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 21°C (70°F).

When will be the coldest day?

The coldest day is forecasted for Sunday with a low of 9°C (48°F).

Will it rain next week in Castro Valley?

No significant rainfall is currently expected during the next 10 days.

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 9°C (48°F) to 21°C (70°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.

January February March April May June July August September October November December

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