Fresno, California weather in March

Averages from 2021–2025 (155 days of record).

Average high

66°F

Average low

45°F

Rainy days

~9 per month

Total precipitation

3.9 in

Warmest recorded

89°F

Coldest recorded

33°F

Expect March days in Fresno, California to top out around 66°F and cool to about 45°F overnight, with roughly 9 days of measurable rain across the month. In recent years March has ranged from 33°F to 89°F.