Mount Vernon 7-day weather forecast

Written by:
March 23, 2026
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 69 °F on Tuesday, while the low is 42 °F on Sunday. There is expected to be 1 sunny day and rain on 2 days this week.

There are currently no weather alerts.

Monday, May 11

- High of 68 °F, low of 49 °F (55% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:34 AM, sunset at 8:37 PM
1 / 6
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Tuesday, May 12

- High of 69 °F, low of 49 °F (52% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:33 AM, sunset at 8:38 PM
2 / 6
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Wednesday, May 13

- High of 65 °F, low of 53 °F (58% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:31 AM, sunset at 8:39 PM
3 / 6
Alex Stemmer // Shutterstock

Thursday, May 14

- High of 60 °F, low of 49 °F (66% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:30 AM, sunset at 8:41 PM
4 / 6
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Friday, May 15

- High of 50 °F, low of 46 °F (91% humidity)
- Overcast with a 100% chance of rain (9 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:29 AM, sunset at 8:42 PM
5 / 6
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Saturday, May 16

- High of 56 °F, low of 44 °F (47% humidity)
- Mostly sunny with a 100% chance of rain (8 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:27 AM, sunset at 8:43 PM
- New moon
6 / 6
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Sunday, May 17

- High of 58 °F, low of 42 °F (45% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:26 AM, sunset at 8:45 PM

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