Mount Vernon 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Mount Vernon 7-day weather forecast

created the forecast for Mount Vernon, Washington using data from . This week's high is 79 掳F on Tuesday, while the low is 52 掳F on Monday. There are expected to be 5 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, August 3

- High of 75 掳F, low of 52 掳F (51% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:46 AM, sunset at 8:44 PM
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1 / 6
Matusciac Alexandru // Shutterstock

Tuesday, August 4

- High of 79 掳F, low of 57 掳F (48% humidity)
- Fair with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:48 AM, sunset at 8:42 PM
2 / 6
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Wednesday, August 5

- High of 78 掳F, low of 55 掳F (51% humidity)
- Mostly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:49 AM, sunset at 8:41 PM
- Last quarter moon
3 / 6
Piyawat Nandeenopparit // Shutterstock

Thursday, August 6

- High of 78 掳F, low of 56 掳F (43% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:51 AM, sunset at 8:39 PM
4 / 6
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Friday, August 7

- High of 74 掳F, low of 55 掳F (49% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:52 AM, sunset at 8:37 PM
5 / 6
Alex Stemmer // Shutterstock

Saturday, August 8

- High of 72 掳F, low of 53 掳F (52% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:53 AM, sunset at 8:36 PM
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6 / 6
IKO-studio // Shutterstock

Sunday, August 9

- High of 69 掳F, low of 53 掳F (61% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:55 AM, sunset at 8:34 PM

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