Washington County, ME Weather Forecast for 5-Days

Updated: Mon Mar 9th 2026 1:15 AM EDT

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Washington County, ME Weather – 3-9 – Cloudy
51° / 38°
Cloudy
Skies will be cloudy in Washington County, with a high of 51°F and a low of 38°F. Wind will be moderate, blowing around 13mph on average and gusts of 20.9mph at 6 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 87% at 11 PM and 57% being its lowest at 5 PM. Barometric pressure is its highest of 29.9inHg at 11 PM, a lowest point of 29.76inHg at 5 PM with an avg 29.82inHg.
Washington County, ME Weather – 3-10 – Fog
46° / 36°

Weather Tomorrow

Fog
Washington County is set for fog with temperatures peaking at 46°F and dipping to 36°F. Winds will be light at 10mph and gusts of 17.5mph at 12 AM. High humidity with average of 95% is anticipated, the maximum being 98% at 10 PM and 89% being its lowest at 2 PM. Barometric pressure is its highest of 30.06inHg at 10 PM, a lowest point of 29.8inHg at 2 AM with an avg 29.93inHg.
Washington County, ME Weather – 3-11 – Moderate Rain
37° / 29°
Moderate Rain
Rain showers are in the forecast for Washington County, with a high of 37°F and a low of 29°F. The chance of rain is 82% with an estimated 0.77in. Snow is likely with a 42% chance. Wind will be moderate, blowing around 15mph on average and gusts of 20.9mph at 9 PM. High humidity with average of 93% is anticipated, the maximum being 98% at 2 AM and 78% being its lowest at 3 AM. Barometric pressure is its highest of 30.2inHg at 5 AM, a lowest point of 29.85inHg at 12 AM with an avg 30.06inHg.
Washington County, ME Weather – 3-12 – Scattered Showers
50° / 25°
Scattered Showers
In Washington County, showers likely at times with highs near 50°F and lows around 25°F. The chance of rain is 85% with an estimated 0.08in. Snow is likely with a 15% chance. Winds will be strong at speeds peaking at 22mph and gusts of 35.6mph at 8 PM. High humidity with average of 98% is anticipated, the maximum being 100% at 2 PM and 94% being its lowest at 2 AM. Barometric pressure is its highest of 30.01inHg at 12 AM, a lowest point of 29.21inHg at 11 PM with an avg 29.56inHg.
Washington County, ME Weather – 3-13 – Light Freezing Rain
35° / 26°
Light Freezing Rain
In Washington County, periods of rain are likely with highs near 35°F and lows around 26°F. Rainfall predicted to have a 64% chance with an estimated 0.01in. Snow is likely with a 19% chance with an estimated 0.1in. Wind will be moderate, blowing around 17mph on average and gusts of 26.8mph at 12 AM. The humidity will be on the higher side, averaging about 67%, the maximum being 93% at 12 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 29.91inHg at 9 PM, a lowest point of 29.26inHg at 12 AM with an avg 29.67inHg.
Washington County, ME Weather – 3-14 – Scattered Showers
48° / 31°
Scattered Showers
Washington County may see passing showers, with daytime highs of 48°F and overnight lows near 31°F. The chance of rain is 84% with an estimated 0.01in. Wind will be moderate, blowing around 18mph on average and gusts of 25.7mph at 2 AM. The humidity will be on the higher side, averaging about 74%, the maximum being 84% at 2 AM and 57% being its lowest at 5 PM. Barometric pressure is its highest of 30.19inHg at 11 PM, a lowest point of 29.77inHg at 5 AM with an avg 29.88inHg.

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