Napa 7-day weather forecast

Written by:
March 23, 2026
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Napa 7-day weather forecast

created the forecast for Napa, California using data from . This week's high is 81 掳F on Sunday, while the low is 46 掳F on Tuesday. There are expected to be 2 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, May 25

- High of 68 掳F, low of 51 掳F (37% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:50 AM, sunset at 8:21 PM
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Tuesday, May 26

- High of 75 掳F, low of 46 掳F (28% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:50 AM, sunset at 8:22 PM
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Wednesday, May 27

- High of 75 掳F, low of 46 掳F (30% humidity)
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:49 AM, sunset at 8:23 PM
3 / 6
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Thursday, May 28

- High of 72 掳F, low of 51 掳F (41% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:49 AM, sunset at 8:23 PM
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Friday, May 29

- High of 74 掳F, low of 51 掳F (40% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:48 AM, sunset at 8:24 PM
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Saturday, May 30

- High of 79 掳F, low of 49 掳F (31% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:48 AM, sunset at 8:25 PM
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Sunday, May 31

- High of 81 掳F, low of 48 掳F (27% humidity)
- Partly 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 5:47 AM, sunset at 8:26 PM
- Full moon

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