Napa 7-day weather forecast

Written by:
May 19, 2025
ESOlex // Shutterstock

Napa 7-day weather forecast

Stacker created the forecast for Napa, California using data from OpenWeather. This week's high is 103 °F on Friday, while the low is 49 °F on Tuesday. There are expected to be 3 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, May 26

- High of 74 °F, low of 51 °F (33% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:50 AM, sunset at 8:22 PM
- New moon
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1 / 6
STILLFX // Shutterstock

Tuesday, May 27

- High of 84 °F, low of 49 °F (31% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:49 AM, sunset at 8:23 PM
2 / 6
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Wednesday, May 28

- High of 82 °F, low of 49 °F (33% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:49 AM, sunset at 8:24 PM
3 / 6
Maxim Grohotov // Shutterstock

Thursday, May 29

- High of 90 °F, low of 49 °F (23% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:48 AM, sunset at 8:24 PM
4 / 6
supergenijalac // Shutterstock

Friday, May 30

- High of 103 °F, low of 55 °F (14% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:48 AM, sunset at 8:25 PM
5 / 6
Witaya Proadtayakogool // Shutterstock

Saturday, May 31

- High of 87 °F, low of 55 °F (31% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:47 AM, sunset at 8:26 PM
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6 / 6
Valeriy Boyarskiy // Shutterstock

Sunday, June 1

- High of 74 °F, low of 51 °F (43% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:47 AM, sunset at 8:26 PM

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