Home / Local Weather & Traffic / Maine / Winter Harbor / Weather Forecast

Winter Harbor, ME Weather Tomorrow

Find out what tomorrow's weather looks like in Winter Harbor with a complete 5 day forecast featuring precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Winter Harbor area and around Hancock county, Maine.
Updated: Sat Aug 29th 2026 7:15 PM EDT
Winter Harbor, ME Weather – 8-29 – Sunny
79° / 57°
Sunny
Winter Harbor could see sunshine with daytime highs of 79°F and nighttime lows near 57°F. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be light at 10mph and gusts of 8.7mph at 10 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 57% at 11 PM and 53% being its lowest at 8 PM. Barometric pressure is its highest of 30.14inHg at 10 PM, a lowest point of 30.12inHg at 8 PM with an avg 30.13inHg.
Winter Harbor, ME Weather – 8-30 – Overcast
74° / 56°

Weather Tomorrow

Overcast
It will be overcast in Winter Harbor, with a high of 74°F and a low of 56°F. Rainfall predicted to have a 53% chance with an estimated 0.04in. Wind will be moderate, blowing around 13mph on average and gusts of 23.3mph at 7 AM. The humidity will be on the higher side, averaging about 74%, the maximum being 97% at 11 PM and 50% being its lowest at 12 PM. Barometric pressure is its highest of 30.13inHg at 12 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.03inHg.
Winter Harbor, ME Weather – 8-31 – Sunny
72° / 54°
Sunny
A sunny day is in the forecast for Winter Harbor, with a high of 72°F and a low of 54°F. There's a moderate 36% chance of rainfall with an estimated 0.03in. Winds will be light at 9mph and gusts of 20.8mph at 7 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 98% at 2 AM and 36% being its lowest at 3 PM. Barometric pressure is its highest of 30.09inHg at 11 PM, a lowest point of 29.94inHg at 2 AM with an avg 30.02inHg.
Winter Harbor, ME Weather – 9-1 – Overcast
65° / 52°
Overcast
Winter Harbor is set for overcast with temperatures peaking at 65°F and dipping to 52°F. There might be light rainfall having a 16% chance. Winds will be light at 8mph and gusts of 19mph at 1 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 82% at 9 PM and 52% being its lowest at 11 AM. Barometric pressure is its highest of 30.19inHg at 9 PM, a lowest point of 30.09inHg at 12 AM with an avg 30.13inHg.
Winter Harbor, ME Weather – 9-2 – Overcast
66° / 52°
Overcast
Daytime highs will reach 66°F with lows dropping to 52°F in Winter Harbor, where it will be overcast. There's a moderate 47% chance of rainfall with an estimated 0.01in. Winds will be light at 10mph and gusts of 20.4mph at 11 PM. High humidity with average of 82% is anticipated, the maximum being 97% at 8 AM and 59% being its lowest at 3 PM. Barometric pressure is its highest of 30.23inHg at 10 AM, a lowest point of 29.97inHg at 11 PM with an avg 30.15inHg.
Winter Harbor, ME Weather – 9-3 – Light Rain Shower
73° / 54°
Light Rain Shower
Highs will reach 73°F with lows near 54°F in Winter Harbor, where rain showers are. The chance of rain is 89% with an estimated 0.25in. Wind will be moderate, blowing around 11mph on average and gusts of 30.2mph at 8 AM. High humidity with average of 92% is anticipated, the maximum being 100% at 6 AM and 71% being its lowest at 5 PM. Barometric pressure is its highest of 30.16inHg at 12 AM, a lowest point of 29.64inHg at 2 PM with an avg 29.76inHg.

Currently

Sunny 71°F
30.11 inHg.
Barometer
48%
Humidity
WSW 10.8 mph
Wind
Sunny

5 Day Forecast Nearby

More Local Information

Bookmark and Share

Get the LocalConditions.com App on Google Play
Sign up for a membership to go Ad free

Winter Harbor Community Weather Reports

Write your own Winter Harbor, ME report, forecast, or traffic update:


Will not be posted, shared or used for marketing!

Please note by clicking on "Post" you acknowledge that you have read our Privacy Policy and Terms of Service and the Winter Harbor, ME report and/or forecast you are posting is in compliance with such terms. If you are under 18, do not submit this form. Be respectful! Inappropriate content will be removed by a moderator.