Tustin, California Weather:
Tuesday, September 29, 2026
Sunny Weather
Day 84°
Night 66°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 29, 2025)
Rainy Night

Day

82°

Night

64°

Wind

5 mph

Precipitation

49 %