Sunnyvale, California Weather:
Saturday, February 28, 2026
Cloudy Weather
Day 73°
Night 52°
Precipitation 7 %
Wind 2 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (February 28, 2025)
Partly Sunny with Showers

Day

77°

Night

48°

Wind

4 mph

UV Index

3

Precipitation

49 %