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Sunnyvale, California Weather:
Tuesday, February 17, 2026
Stormy Weather
Day 57°
Night 43°
Precipitation 65 %
Wind 6 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (February 17, 2025)
Cloudy Weather

Day

61°

Night

41°

Wind

6 mph

UV Index

3

Precipitation

1 %