Vallejo 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Vallejo 7-day weather forecast

Stacker created the forecast for Vallejo, California using data from OpenWeather. This week's high is 90 °F on Monday, while the low is 60 °F on Monday. There are expected to be 5 sunny days and precipitation on 1 day this week.

There are currently no weather alerts.

Monday, September 15

- High of 90 °F, low of 60 °F (28% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:51 AM, sunset at 7:17 PM
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1 / 6
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Tuesday, September 16

- High of 87 °F, low of 66 °F (30% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:51 AM, sunset at 7:15 PM
2 / 6
Andrew Lever // Shutterstock

Wednesday, September 17

- High of 84 °F, low of 66 °F (22% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:52 AM, sunset at 7:14 PM
3 / 6
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Thursday, September 18

- High of 70 °F, low of 62 °F (64% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:53 AM, sunset at 7:12 PM
4 / 6
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Friday, September 19

- High of 80 °F, low of 64 °F (47% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:54 AM, sunset at 7:10 PM
5 / 6
Piyawat Nandeenopparit // Shutterstock

Saturday, September 20

- High of 79 °F, low of 66 °F (50% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:55 AM, sunset at 7:09 PM
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6 / 6
cooperr // Shutterstock

Sunday, September 21

- High of 80 °F, low of 63 °F (45% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:56 AM, sunset at 7:07 PM
- New moon

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