Napa Weather Tomorrow

Overcast 20°

Overcast, feels like 20°.

Napa, California, United States · Wednesday, 4 November 2026

Low/High
9°/20°
Humidity
76%
Chance of rain
21%
Wind
11.9 km/h
UV
4.0

Temperature Tomorrow

Napa Weather Tomorrow by Time of Day

Time of dayWeatherTemperatureChance of rain
MorningClear sky9–17°C0%
AfternoonOvercast18–20°C0%
EveningOvercast13–16°C0%
NightOvercast12–12°C0%

Napa Weather Tomorrow — Wednesday, 4 November 2026

9 °/20 ° Overcast Overcast 21% 12 km/h

Low/High9°/20°

Humidity76%

Pressure1017 hPa

Sunrise/Sunset

Napa Hourly Weather Tomorrow

TimeWeatherTemperatureFeels likeRainHumidityWind
Overcast 11°10°21% 88%8 km/h
Partly cloudy 11°10°6% 89%7 km/h
Partly cloudy 10°9°1% 87%7 km/h
Partly cloudy 10°8°0% 85%7 km/h
Partly cloudy 10°8°0% 85%8 km/h
Partly cloudy 9°8°0% 81%3 km/h
Mostly clear 10°8°0% 76%6 km/h
Mostly clear 10°8°0% 73%5 km/h
Clear sky 11°10°0% 76%4 km/h
Clear sky 13°13°0% 77%0 km/h
Clear sky 15°15°0% 74%1 km/h
Clear sky 17°17°0% 66%3 km/h
Clear sky 19°19°0% 60%3 km/h
Mostly clear 19°20°0% 59%3 km/h
Overcast 20°20°0% 59%4 km/h
Overcast 20°20°0% 58%3 km/h
Partly cloudy 18°17°0% 73%12 km/h
Overcast 16°16°0% 77%6 km/h
Overcast 15°14°0% 79%9 km/h
Overcast 14°13°0% 82%8 km/h
Overcast 13°13°0% 83%4 km/h
Overcast 12°12°0% 84%4 km/h
Overcast 12°11°0% 81%2 km/h
Mostly clear 12°11°0% 80%3 km/h

Summary

Tomorrow, Wednesday 4 November 2026, the weather in Napa is forecast to be overcast, with temperatures of 9–20°C and a chance of rain of up to 21%. It should stay mostly dry.

Updated at 20:48 local time, 3 November 2026

Napa Hourly Temperature and Chance of Rain

Napa Air Quality

Good · AQI 46

Air quality is good and poses little or no risk for outdoor activity.

PM2.5 (µg/m³)6.8
PM10 (µg/m³)7.9
O₃ (µg/m³)30
NO₂ (µg/m³)17
SO₂ (µg/m³)0.7
CO (µg/m³)203

Air Quality →

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