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Mount Vernon, ME Weather Forecast for 5-Days

Updated: Sat Mar 14th 2026 6:00 AM EDT

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Mount Vernon, ME Weather – 3-14 – Moderate Rain
44° / 28°
Moderate Rain
Daytime highs will reach 44°F with lows dropping to 28°F in Mount Vernon, where it will rain at times. Rainfall predicted to have a 63% chance with an estimated 0.26in. Snow is likely with a 22% chance with an estimated 1.8in. Wind will be moderate, blowing around 15mph on average and gusts of 22.6mph at 10 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 97% at 8 AM and 61% being its lowest at 6 PM. Barometric pressure is its highest of 30.02inHg at 11 PM, a lowest point of 29.57inHg at 9 AM with an avg 29.69inHg.
Mount Vernon, ME Weather – 3-15 – Partly Cloudy
40° / 29°

Weather Tomorrow

Partly Cloudy
In Mount Vernon, it will be cloudy with highs near 40°F and lows around 29°F. Wind will be moderate, blowing around 11mph on average and gusts of 18.6mph at 1 AM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 86% at 12 AM and 39% being its lowest at 2 PM. Barometric pressure is its highest of 30.48inHg at 12 PM, a lowest point of 30inHg at 12 AM with an avg 30.38inHg.
Mount Vernon, ME Weather – 3-16 – Heavy Rain
48° / 31°
Heavy Rain
Daytime highs will reach 48°F with lows dropping to 31°F in Mount Vernon, where periods of rain are likely. The chance of rain is 89% with an estimated 1.73in. Wind will be moderate, blowing around 19mph on average and gusts of 31mph at 11 PM. High humidity with average of 95% is anticipated, the maximum being 99% at 10 PM and 80% being its lowest at 11 PM. Barometric pressure is its highest of 30.44inHg at 11 PM, a lowest point of 29.76inHg at 10 PM with an avg 30.07inHg.
Mount Vernon, ME Weather – 3-17 – Moderate Rain
56° / 24°
Moderate Rain
Mount Vernon may see rain, with daytime highs of 56°F and overnight lows near 24°F. The chance of rain is 85% with an estimated 0.38in. Snow is likely with a 9% chance with an estimated 0in. Winds will be strong at speeds peaking at 22mph and gusts of 34.7mph at 2 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 98% at 2 AM and 59% being its lowest at 10 PM. Barometric pressure is its highest of 29.83inHg at 10 PM, a lowest point of 29.36inHg at 7 AM with an avg 29.58inHg.
Mount Vernon, ME Weather – 3-18 – Partly Cloudy
30° / 17°
Partly Cloudy
Highs will reach 30°F with lows near 17°F in Mount Vernon, where overcast conditions are. Snow is likely with a 4% chance. Wind will be moderate, blowing around 14mph on average and gusts of 18.7mph at 12 AM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 57% at 1 AM and 26% being its lowest at 1 PM. Barometric pressure is its highest of 30.48inHg at 11 PM, a lowest point of 29.91inHg at 12 AM with an avg 30.24inHg.
Mount Vernon, ME Weather – 3-19 – Light Freezing Rain
38° / 25°
Light Freezing Rain
Mount Vernon could see rain with daytime highs of 38°F and nighttime lows near 25°F. The chance of rain is 88% with an estimated 0in. Wind will be moderate, blowing around 16mph on average and gusts of 18mph at 5 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 90% at 11 PM and 47% being its lowest at 12 AM. Barometric pressure is its highest of 30.47inHg at 12 AM, a lowest point of 29.94inHg at 11 PM with an avg 30.23inHg.

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