Sunnyvale, California Weather:
Sunday, March 15, 2026
Sunny Weather
Day 61°
Night 45°
Precipitation 20 %
Wind 4 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Cloudy Weather

Day

63°

Night

45°

Wind

6 mph

UV Index

2

Precipitation

4 %