Napa 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Napa 7-day weather forecast

Stacker created the forecast for Napa, California using data from OpenWeather. This week's high is 80 °F on Tuesday, while the low is 47 °F on Thursday. There is expected to be 1 sunny day and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, March 23

- High of 77 °F, low of 51 °F (30% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:07 AM, sunset at 7:23 PM
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Alex Stemmer // Shutterstock

Tuesday, March 24

- High of 80 °F, low of 52 °F (30% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:06 AM, sunset at 7:24 PM
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Andrew Lever // Shutterstock

Wednesday, March 25

- High of 79 °F, low of 51 °F (49% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:04 AM, sunset at 7:25 PM
- First quarter moon
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John Cartwright // Shutterstock

Thursday, March 26

- High of 75 °F, low of 47 °F (24% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:03 AM, sunset at 7:26 PM
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Cari Rubin Photography // Shutterstock

Friday, March 27

- High of 77 °F, low of 54 °F (27% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:01 AM, sunset at 7:27 PM
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Saturday, March 28

- High of 76 °F, low of 53 °F (32% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:00 AM, sunset at 7:28 PM
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Matusciac Alexandru // Shutterstock

Sunday, March 29

- High of 79 °F, low of 50 °F (33% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (5 mph wind)
- Sunrise at 6:58 AM, sunset at 7:28 PM

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