Napa 7-day weather forecast

Written by:
July 21, 2025
ESOlex // Shutterstock

Napa 7-day weather forecast

Stacker created the forecast for Napa, California using data from OpenWeather. This week's high is 86 °F on Sunday, while the low is 51 °F on Saturday. There are expected to be 6 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, July 21

- High of 74 °F, low of 56 °F (41% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:02 AM, sunset at 8:28 PM
1 / 6
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Tuesday, July 22

- High of 79 °F, low of 55 °F (43% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (12 mph wind)
- Sunrise at 6:03 AM, sunset at 8:27 PM
2 / 6
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Wednesday, July 23

- High of 81 °F, low of 52 °F (38% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:04 AM, sunset at 8:26 PM
3 / 6
Piyawat Nandeenopparit // Shutterstock

Thursday, July 24

- High of 80 °F, low of 52 °F (37% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:04 AM, sunset at 8:26 PM
- New moon
4 / 6
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Friday, July 25

- High of 79 °F, low of 52 °F (34% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:05 AM, sunset at 8:25 PM
5 / 6
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Saturday, July 26

- High of 78 °F, low of 51 °F (35% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:06 AM, sunset at 8:24 PM
6 / 6
Maxim Grohotov // Shutterstock

Sunday, July 27

- High of 86 °F, low of 51 °F (26% 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 6:07 AM, sunset at 8:23 PM

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