Ontario, California Weather:
Sunday, March 8, 2026
Sunny Weather
Day 75°
Night 52°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (March 8, 2025)
Sunny Weather

Day

68°

Night

46°

Wind

4 mph

UV Index

5

Precipitation

0 %