Wind
NNW
6 mph
G 10 mph
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for Sunnyvale, CA.
Get Alerts No Active Alerts
Hour-by-Hour Forecast
Partly Cloudy
Wind
NNW
6 mph
G 10 mph
UV Index
10
Very High
Humidity
63%
Dew 53°F
Sun
5:52 AM · 8:17 PM
Rise · Set
Source: Sunnyvale, CA. Slider scrubs the next 12 hours.
5-Day Outlook
Today
Slight Chance of Rain
Overnight: Forecast Missing
Today
Mostly sunny. High near 71, with temperatures falling to around 68 in the afternoon. Northwest wind 5 to 12 mph, with gusts as high as 20 mph.
Night
A slight chance of drizzle between 2am and 5am. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. West northwest wind 5 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
Forecast Missing
Overnight: Forecast Missing
Tuesday
Mostly sunny. High near 67, with temperatures falling to around 65 in the afternoon. West northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Night
Partly cloudy, with a low around 50. West wind 2 to 16 mph, with gusts as high as 28 mph.
Wednesday
Forecast Missing
Overnight: Forecast Missing
Wednesday
Mostly sunny, with a high near 72. West wind 2 to 10 mph.
Night
Partly cloudy, with a low around 51.
Thursday
Forecast Missing
Overnight: Forecast Missing
Thursday
Mostly sunny, with a high near 72.
Night
Partly cloudy, with a low around 52.
Friday
Forecast Missing
Overnight: Forecast Missing
Friday
Mostly sunny, with a high near 72.
Night
Partly cloudy, with a low around 51.
Sunnyvale, CA Weather Analysis Tools