10-Day Weather Forecast - Mount Vernon, WA

Sunny. Highs in the 70s to lower 80s. Light wind becoming northwest 10 to 15 mph in the afternoon.

Mostly clear. Lows in the mid 50s to lower 60s. Northwest wind to 10 mph in the evening becoming light.

Sunny. Highs in the mid 70s to lower 80s. Light wind becoming northwest 10 to 15 mph in the afternoon.

Mostly clear. Lows in the lower 60s.

Sunny. Highs in the upper 70s to mid 80s.

Mostly clear. Lows in the mid to upper 50s.

Partly sunny. Highs in the lower to mid 70s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s.

Mostly cloudy. A slight chance of showers in the morning. Highs near 70.

Partly cloudy. Lows in the lower to mid 50s.

Mostly cloudy with a slight chance of showers. Highs near 70.

Partly cloudy. Low temperature around 54F. Dew point will be around 54F with an average humidity of 88%. Winds will be 2 mph from the W.

Mostly cloudy. High temperature around 73F. Dew point will be around 58F with an average humidity of 76%. Winds will be 4 mph from the W.

Clear. Low temperature around 54F. Dew point will be around 54F with an average humidity of 83%. Winds will be 2 mph from the W.

Sunny. High temperature around 72F. Dew point will be around 57F with an average humidity of 74%. Winds will be 3 mph from the W.

Clear. Low temperature around 54F. Dew point will be around 54F with an average humidity of 81%. Winds will be 2 mph from the W.

Sunny. High temperature around 73F. Dew point will be around 56F with an average humidity of 71%. Winds will be 4 mph from the W.

Clear. Low temperature around 54F. Dew point will be around 53F with an average humidity of 79%. Winds will be 2 mph from the W.