Sunnyvale, California Weather:
Wednesday, September 3, 2025
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 61°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (September 3, 2024)

Sunny WeatherSunny weather, clear skies and sunny weather.

Day

95°

Night

61°

Wind

6 mph

UV Index

7

Precipitation

0