Vallejo 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Vallejo 7-day weather forecast

created the forecast for Vallejo, California using data from . This week's high is 87 掳F on Tuesday, while the low is 52 掳F on Saturday. There are expected to be 5 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, May 18

- High of 84 掳F, low of 62 掳F (12% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:56 AM, sunset at 8:15 PM
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1 / 6
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Tuesday, May 19

- High of 87 掳F, low of 60 掳F (13% humidity)
- 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 5:55 AM, sunset at 8:16 PM
2 / 6
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Wednesday, May 20

- High of 77 掳F, low of 58 掳F (30% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:54 AM, sunset at 8:16 PM
3 / 6
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Thursday, May 21

- High of 76 掳F, low of 54 掳F (35% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:53 AM, sunset at 8:17 PM
4 / 6
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Friday, May 22

- High of 69 掳F, low of 53 掳F (49% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:53 AM, sunset at 8:18 PM
5 / 6
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Saturday, May 23

- High of 67 掳F, low of 52 掳F (50% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:52 AM, sunset at 8:19 PM
- First quarter moon
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6 / 6
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Sunday, May 24

- High of 74 掳F, low of 53 掳F (38% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (12 mph wind)
- Sunrise at 5:51 AM, sunset at 8:20 PM

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