Mount Vernon 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Mount Vernon 7-day weather forecast

created the forecast for Mount Vernon, Washington using data from . This week's high is 68 掳F on Thursday, while the low is 42 掳F on Sunday. There is expected to be 1 sunny day and rain on 4 days this week.

There are currently no weather alerts.

Monday, May 25

- High of 58 掳F, low of 50 掳F (90% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:17 AM, sunset at 8:54 PM
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1 / 6
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Tuesday, May 26

- High of 58 掳F, low of 49 掳F (94% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:17 AM, sunset at 8:56 PM
2 / 6
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Wednesday, May 27

- High of 65 掳F, low of 46 掳F (59% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:16 AM, sunset at 8:57 PM
3 / 6
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Thursday, May 28

- High of 68 掳F, low of 50 掳F (55% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:15 AM, sunset at 8:58 PM
4 / 6
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Friday, May 29

- High of 56 掳F, low of 49 掳F (81% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:14 AM, sunset at 8:59 PM
5 / 6
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Saturday, May 30

- High of 59 掳F, low of 45 掳F (58% humidity)
- Mostly cloudy with a 100% chance of rain (4 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:13 AM, sunset at 9:00 PM
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6 / 6
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Sunday, May 31

- High of 63 掳F, low of 42 掳F (49% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:13 AM, sunset at 9:01 PM
- Full moon

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