Sunnyvale, California Weather:
Thursday, April 9, 2026
Partly Sunny with Showers
Day 73°
Night 57°
Precipitation 84 %
Wind 4 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (April 9, 2025)
Sunny Weather

Day

79°

Night

50°

Wind

6 mph

UV Index

8

Precipitation

0 %