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Casco, ME Weather Forecast for 5-Days

Updated: Mon Mar 9th 2026 1:00 AM EDT

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Casco, ME Weather – 3-9 – Sunny
61° / 34°
Sunny
Casco could see sunshine with daytime highs of 61°F and nighttime lows near 34°F. Winds will be light at 9mph and gusts of 14.6mph at 5 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 93% at 11 PM and 60% being its lowest at 2 PM. Barometric pressure is its highest of 29.92inHg at 11 PM, a lowest point of 29.76inHg at 5 PM with an avg 29.83inHg.
Casco, ME Weather – 3-10 – Partly Cloudy
55° / 35°

Weather Tomorrow

Partly Cloudy
Daytime highs will reach 55°F with lows dropping to 35°F in Casco, where it will be cloudy. Winds will be light at 6mph and gusts of 12.7mph at 12 AM. High humidity with average of 81% is anticipated, the maximum being 100% at 8 PM and 66% being its lowest at 11 PM. Barometric pressure is its highest of 30.08inHg at 10 PM, a lowest point of 29.82inHg at 12 AM with an avg 29.94inHg.
Casco, ME Weather – 3-11 – Scattered Showers
42° / 32°
Scattered Showers
In Casco, on and off showers are set to occur with highs near 42°F and lows around 32°F. The chance of rain is 88% with an estimated 0.17in. Snow is likely with a 3% chance. Winds will be light at 7mph and gusts of 10.1mph at 1 AM. High humidity with average of 97% is anticipated, the maximum being 99% at 2 AM and 94% being its lowest at 10 AM. Barometric pressure is its highest of 30.12inHg at 3 AM, a lowest point of 29.83inHg at 10 PM with an avg 29.99inHg.
Casco, ME Weather – 3-12 – Scattered Showers
55° / 33°
Scattered Showers
In Casco, showers likely at times with highs near 55°F and lows around 33°F. The chance of rain is 82% with an estimated 0.04in. Snow is likely with a 12% chance. Wind will be moderate, blowing around 15mph on average and gusts of 21.8mph at 11 PM. High humidity with average of 96% is anticipated, the maximum being 100% at 10 AM and 71% being its lowest at 11 PM. Barometric pressure is its highest of 30.04inHg at 12 AM, a lowest point of 29.2inHg at 5 PM with an avg 29.48inHg.
Casco, ME Weather – 3-13 – Light Freezing Rain
40° / 22°
Light Freezing Rain
Casco may see rain, with daytime highs of 40°F and overnight lows near 22°F. The chance of rain is 80% with an estimated 0.02in. Wind will be moderate, blowing around 15mph on average and gusts of 21.5mph at 12 AM. Humidity levels should be comfortable, sitting around 47% on average, the maximum being 67% at 12 AM and 26% being its lowest at 2 PM. Barometric pressure is its highest of 29.86inHg at 1 PM, a lowest point of 29.39inHg at 12 AM with an avg 29.73inHg.
Casco, ME Weather – 3-14 – Partly Cloudy
48° / 30°
Partly Cloudy
Daytime highs will reach 48°F with lows dropping to 30°F in Casco, where it will be cloudy. Wind will be moderate, blowing around 16mph on average and gusts of 19.9mph at 12 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 84% at 8 AM and 43% being its lowest at 2 PM. Barometric pressure is its highest of 30.2inHg at 11 PM, a lowest point of 29.74inHg at 5 AM with an avg 29.9inHg.

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