Mount Vernon 7-day weather forecast

Written by:
September 29, 2025
ESOlex // Shutterstock

Mount Vernon 7-day weather forecast

Stacker created the forecast for Mount Vernon, Washington using data from OpenWeather. This week's high is 68 °F on Wednesday, while the low is 45 °F on Sunday. There are expected to be 2 sunny days and rain on 5 days this week.

There are currently no weather alerts.

Monday, September 29

- High of 66 °F, low of 57 °F (76% humidity)
- Overcast with a 100% chance of rain (14 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 7:06 AM, sunset at 6:52 PM
- First quarter moon
1 / 6
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Tuesday, September 30

- High of 67 °F, low of 53 °F (44% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:07 AM, sunset at 6:50 PM
2 / 6
Deborah Kolb // Shutterstock

Wednesday, October 1

- High of 68 °F, low of 53 °F (61% humidity)
- Partly cloudy with a 70% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:09 AM, sunset at 6:48 PM
3 / 6
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Thursday, October 2

- High of 64 °F, low of 54 °F (75% humidity)
- Overcast with a 54% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:10 AM, sunset at 6:46 PM
4 / 6
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Friday, October 3

- High of 65 °F, low of 50 °F (65% humidity)
- Mostly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:11 AM, sunset at 6:44 PM
5 / 6
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Saturday, October 4

- High of 58 °F, low of 47 °F (84% humidity)
- Partly cloudy with a 78% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:13 AM, sunset at 6:42 PM
6 / 6
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Sunday, October 5

- High of 60 °F, low of 45 °F (57% humidity)
- Mostly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:14 AM, sunset at 6:40 PM

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