Napa, California Weather:
Thursday, October 1, 2026
Sunny Weather
Day 88°
Night 55°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (October 1, 2025)
Rainy Weather

Day

70°

Night

59°

Wind

7 mph

UV Index

10

Precipitation

90 %