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Sunnyvale, California Weather:
Friday, September 5, 2025
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 81°
Night 59°
Precipitation 0 %
Wind 2 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (September 5, 2024)

Sunny WeatherSunny weather, clear skies and sunny weather.

Day

95°

Night

61°

Wind

7 mph

UV Index

7

Precipitation

0