10-Day Weather Forecast - Mount Vernon, WA

Mostly sunny. Patchy fog until late afternoon. Highs near 50. Light wind becoming north to 10 mph in the afternoon.

Mostly clear. Patchy fog. Lows in the mid 30s to lower 40s. North wind to 10 mph in the evening becoming light.

Sunny. Highs in the upper 40s to mid 50s. Light wind.

Mostly clear. Lows in the mid to upper 30s.

Sunny. Highs in the lower to mid 50s.

Mostly clear. Patchy fog after midnight. Lows in the mid to upper 30s.

Sunny. Patchy fog in the morning. Highs near 50.

Mostly clear. Patchy fog. Lows in the mid to upper 30s.

Mostly sunny. Highs near 50.

Partly cloudy. Patchy fog. Lows in the mid to upper 30s.

Partly sunny. Patchy fog in the morning. Highs in the upper 40s.

Cloudy. Low temperature around 38F. Dew point will be around 39F with an average humidity of 97%. Winds will be 3 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 45F. Dew point will be around 41F with an average humidity of 96%. Winds will be 3 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 39F. Dew point will be around 40F with an average humidity of 99%. Winds will be 3 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 44F. Dew point will be around 41F with an average humidity of 98%. Winds will be 1 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 36F. Dew point will be around 38F with an average humidity of 97%. Winds will be 3 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 43F. Dew point will be around 38F with an average humidity of 95%. Winds will be 2 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 35F. Dew point will be around 36F with an average humidity of 95%. Winds will be 3 mph from the E.