Local Forecast

Castro Valley, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Castro Valley, CA

No Active Alerts

Hour-by-Hour  Current Observation

Monday 12:50 AM PDTMonday 12:50 AM

°F °C
Regional Observations →
60°F

Mostly Clear

  • 78° / 59° High / Low
  • 60° Feels Like
  • 0% Chance of Rain

Wind

7 mph

NW

UV Index

0

None

Humidity

88%

Dew 57°F

Sun

6:32 AM · 7:48 PM

Rise · Set

Source: OAKLAND (KOAK). Slider scrubs the next 12 hours.

5-Day Outlook

Through Friday

Local Radar →

Monday

78° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Monday

Mostly sunny. High near 78, with temperatures falling to around 75 in the afternoon. West wind 2 to 9 mph.

Night

Mostly cloudy, with a low around 58. West southwest wind 2 to 8 mph.

Tuesday

77° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

Partly sunny, with a high near 77. West wind 3 to 8 mph.

Night

Mostly cloudy, with a low around 58. West southwest wind 2 to 7 mph.

Wednesday

80° 59°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

Mostly sunny, with a high near 80.

Night

Partly cloudy, with a low around 59.

Thursday

78° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

Mostly sunny, with a high near 78.

Night

Mostly cloudy, with a low around 57.

Friday

75° 57°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Mostly sunny, with a high near 75.

Night

Partly cloudy, with a low around 57.

Castro Valley, CA Weather Analysis Tools