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Long Island, ME Weather Forecast for 5-Days

Updated: Thu May 14th 2026 4:30 PM EDT

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Long Island, ME Weather – 5-14 – Moderate Rain
53° / 48°
Moderate Rain
Daytime highs will reach 53°F with lows dropping to 48°F in Long Island, where periods of rain are likely. The chance of rain is 89% with an estimated 0.23in. Wind will be moderate, blowing around 20mph on average and gusts of 28.3mph at 10 PM. High humidity with average of 90% is anticipated, the maximum being 93% at 9 PM and 86% being its lowest at 5 PM. Barometric pressure is its highest of 29.8inHg at 5 PM, a lowest point of 29.78inHg at 11 PM with an avg 29.79inHg.
Long Island, ME Weather – 5-15 – Heavy Rain
51° / 49°

Weather Tomorrow

Heavy Rain
Long Island could see rain with daytime highs of 51°F and nighttime lows near 49°F. The chance of rain is 92% with an estimated 1.15in. Wind will be moderate, blowing around 18mph on average and gusts of 26.8mph at 12 AM. High humidity with average of 96% is anticipated, the maximum being 98% at 4 AM and 91% being its lowest at 12 AM. Barometric pressure is its highest of 29.97inHg at 11 PM, a lowest point of 29.77inHg at 2 AM with an avg 29.88inHg.
Long Island, ME Weather – 5-16 – Partly Cloudy
62° / 47°
Partly Cloudy
Long Island could see overcast conditions with daytime highs of 62°F and nighttime lows near 47°F. Wind will be moderate, blowing around 15mph on average and gusts of 30.5mph at 5 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 93% at 1 AM and 64% being its lowest at 4 PM. Barometric pressure is its highest of 30.02inHg at 8 AM, a lowest point of 29.87inHg at 11 PM with an avg 29.95inHg.
Long Island, ME Weather – 5-17 – Sunny
71° / 55°
Sunny
Long Island is set for a sunny day with temperatures peaking at 71°F and dipping to 55°F. Wind will be moderate, blowing around 14mph on average and gusts of 27.7mph at 12 AM. The humidity will be on the higher side, averaging about 64%, the maximum being 86% at 6 AM and 41% being its lowest at 2 PM. Barometric pressure is its highest of 30.15inHg at 11 PM, a lowest point of 29.83inHg at 2 AM with an avg 29.95inHg.
Long Island, ME Weather – 5-18 – Sunny
59° / 51°
Sunny
In Long Island, bright and sunny conditions with highs near 59°F and lows around 51°F. Wind will be moderate, blowing around 12mph on average and gusts of 21.9mph at 3 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 79% at 6 AM and 61% being its lowest at 5 PM. Barometric pressure is its highest of 30.25inHg at 7 AM, a lowest point of 30.15inHg at 12 AM with an avg 30.21inHg.
Long Island, ME Weather – 5-19 – Sunny
72° / 52°
Sunny
Daytime highs will reach 72°F with lows dropping to 52°F in Long Island, where it will be sunny. Wind will be moderate, blowing around 13mph on average and gusts of 25.8mph at 11 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 90% at 8 AM and 63% being its lowest at 5 PM. Barometric pressure is its highest of 30.16inHg at 12 AM, a lowest point of 29.85inHg at 11 PM with an avg 29.98inHg.

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