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Lewiston, ME Weather Forecast for 5-Days

Updated: Thu May 14th 2026 3:15 PM EDT

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Lewiston, ME Weather – 5-14 – Moderate Rain
60° / 44°
Moderate Rain
In Lewiston, periods of rain are likely with highs near 60°F and lows around 44°F. The chance of rain is 89% with an estimated 0.22in. Winds will be light at 10mph and gusts of 14.2mph at 10 PM. High humidity with average of 91% is anticipated, the maximum being 96% at 9 PM and 83% being its lowest at 4 PM. Barometric pressure is its highest of 29.82inHg at 4 PM, a lowest point of 29.8inHg at 6 PM with an avg 29.81inHg.
Lewiston, ME Weather – 5-15 – Heavy Rain
50° / 46°

Weather Tomorrow

Heavy Rain
Rain showers are in the forecast for Lewiston, with a high of 50°F and a low of 46°F. The chance of rain is 92% with an estimated 0.81in. Winds will be light at 9mph and gusts of 12.7mph at 6 AM. High humidity with average of 98% is anticipated, the maximum being 99% at 1 AM and 96% being its lowest at 9 PM. Barometric pressure is its highest of 29.97inHg at 11 PM, a lowest point of 29.8inHg at 12 AM with an avg 29.89inHg.
Lewiston, ME Weather – 5-16 – Sunny
73° / 42°
Sunny
In Lewiston, it will be sunny with highs near 73°F and lows around 42°F. Winds will be light at 10mph and gusts of 15.5mph at 7 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 96% at 1 AM and 42% being its lowest at 3 PM. Barometric pressure is its highest of 30.02inHg at 8 AM, a lowest point of 29.85inHg at 11 PM with an avg 29.94inHg.
Lewiston, ME Weather – 5-17 – Sunny
74° / 51°
Sunny
Bright and sunny conditions in Lewiston, with a high of 74°F and a low of 51°F. Wind will be moderate, blowing around 15mph on average and gusts of 17.2mph at 2 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 90% at 6 AM and 37% being its lowest at 2 PM. Barometric pressure is its highest of 30.15inHg at 11 PM, a lowest point of 29.82inHg at 1 AM with an avg 29.95inHg.
Lewiston, ME Weather – 5-18 – Partly Cloudy
71° / 46°
Partly Cloudy
Lewiston may see cloudy skies, with daytime highs of 71°F and overnight lows near 46°F. Winds will be light at 9mph and gusts of 10.8mph at 7 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 90% at 5 AM and 45% being its lowest at 12 PM. Barometric pressure is its highest of 30.25inHg at 7 AM, a lowest point of 30.16inHg at 12 AM with an avg 30.2inHg.
Lewiston, ME Weather – 5-19 – Scattered Showers
90° / 50°
Scattered Showers
Lewiston is set for scattered showers with temperatures peaking at 90°F and dipping to 50°F. Rainfall predicted to have a 69% chance with an estimated 0in. Wind will be moderate, blowing around 12mph on average and gusts of 15.7mph at 5 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 87% at 5 AM and 38% being its lowest at 2 PM. Barometric pressure is its highest of 30.16inHg at 12 AM, a lowest point of 29.84inHg at 11 PM with an avg 29.97inHg.

Currently

Partly Cloudy 63°F
29.84 inHg.
Barometer
72%
Humidity
ESE 12.6 mph
Wind
Partly Cloudy

5 Day Forecast Nearby

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