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Today Hourly 7 days 30 days September
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September 2026 Weather | Napa, California

Today 9/21
Cloudy Weather
Day 70°
Night 54°
1
Tue 9/22
Cloudy Weather
Day 77°
Night 52°
0
Wed 9/23
Cloudy Weather
Day 88°
Night 52°
0
Thu 9/24
Cloudy Weather
Day 90°
Night 54°
0
Fri 9/25
Sunny Weather
Day 86°
Night 50°
1
Sat 9/26
Cloudy Weather
Day 81°
Night 52°
2
Sun 9/27
Sunny Weather
Day 79°
Night 52°
3
Mon 9/28
Sunny Weather
Day 86°
Night 55°
0
Tue 9/29
Sunny Weather
Day 86°
Night 54°
0
Wed 9/30
Sunny Weather
Day 84°
Night 54°
0

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