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Winterport, ME Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Winterport, a community in Waldo County, Maine.

Today
64°F
Sunny
Sunny, with a high near 64. North wind 5 to 10 mph.

7-day forecast for Winterport

WhenTempForecastWindPrecip
Today 64°F Sunny 5 to 10 mph N 0%
Tonight 41°F Partly Cloudy 0 mph 0%
Sunday 62°F Mostly Cloudy then Chance Rain Showers 0 to 10 mph S 45%
Sunday Night 41°F Light Rain Likely then Rain Showers Likely 0 to 5 mph E 63%
Monday 62°F Mostly Sunny 5 to 10 mph N 3%
Monday Night 40°F Partly Cloudy 5 to 10 mph N 0%
Tuesday 62°F Mostly Sunny 5 to 10 mph N 0%
Tuesday Night 39°F Partly Cloudy 5 mph N 0%
Wednesday 65°F Sunny 5 mph NE 0%
Wednesday Night 39°F Partly Cloudy 0 to 5 mph E 1%
Thursday 65°F Mostly Sunny then Slight Chance Rain Showers 0 to 5 mph NE 18%
Thursday Night 41°F Chance Rain Showers 0 to 10 mph NE 28%
Friday 65°F Chance Rain Showers 10 mph N 27%
Friday Night 43°F Chance Rain Showers 10 to 15 mph NE 28%

Forecast source: National Weather Service (api.weather.gov) for Winterport (44.648, -68.861). Updated through the day.

Growing snapshot for Winterport

Last spring frost
May 4
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
5a

More local growing data for Winterport: nearby ZIP 04496 weather · frost dates · planting calendar · Maine frost dates

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Climate data from the nearest NOAA station, Bangor Intl Ap, Me (11.1 mi from Winterport). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.