Sunnyvale, California Weather:
Tuesday, March 31, 2026
Sunny Weather
Day 61°
Night 45°
Precipitation 96 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (March 31, 2025)
Rainy Weather

Day

64°

Night

46°

Wind

12 mph

UV Index

6

Precipitation

96 %