Today | Weather | Thursday, July 17, 2025
Sunnyvale, California. 12:36 AM
Now
Cloudy NightCloudy night, overcast skies at night with no rain.
57° F
Feels Like 57°
Precipitation 0 %
Wind 6 mph
Humidity 85 %
Today
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 79°
Night 57°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Sunnyvale Weather Forecast Updated

7 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (July 17, 2024)

Day

72°

Night

57°