San Bernardino, California Weather:
Tuesday, March 31, 2026
Sunny Weather
Day 79°
Night 43°
Precipitation 20 %
Wind 4 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (March 31, 2025)
Rainy Weather

Day

68°

Night

48°

Wind

6 mph

UV Index

3

Precipitation

96 %