Napa 7-day weather forecast

Written by:
Stacker
December 29, 2025
ESOlex // Shutterstock

Napa 7-day weather forecast

Stacker created the forecast for Napa, California using data from OpenWeather. This week's high is 69 °F on Monday, while the low is 43 °F on Sunday. There is expected to be 1 sunny day and precipitation on 0 days this week.

There are currently no weather alerts.

Sunday, January 18

- High of 68 °F, low of 43 °F (49% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:23 AM, sunset at 5:15 PM
- New moon
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1 / 6
Saijai Boonmak // Shutterstock

Monday, January 19

- High of 69 °F, low of 44 °F (51% humidity)
- Partly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Light air (3 mph wind)
- Sunrise at 7:22 AM, sunset at 5:16 PM
2 / 6
John Cartwright // Shutterstock

Tuesday, January 20

- High of 66 °F, low of 50 °F (53% humidity)
- Mostly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (4 mph wind)
- Sunrise at 7:22 AM, sunset at 5:17 PM
3 / 6
alisalipa // Shutterstock

Wednesday, January 21

- High of 62 °F, low of 50 °F (53% humidity)
- Overcast with a 0% chance of rain
- Light air (3 mph wind)
- Sunrise at 7:21 AM, sunset at 5:18 PM
4 / 6
Hellame // Shutterstock

Thursday, January 22

- High of 62 °F, low of 50 °F (57% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Light air (3 mph wind)
- Sunrise at 7:21 AM, sunset at 5:19 PM
5 / 6
LeManna // Shutterstock

Friday, January 23

- High of 66 °F, low of 48 °F (49% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:20 AM, sunset at 5:21 PM
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6 / 6
Zyabich // Shutterstock

Saturday, January 24

- High of 63 °F, low of 48 °F (59% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light air (3 mph wind)
- Sunrise at 7:20 AM, sunset at 5:22 PM

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