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Millinocket, ME Weather & Growing Conditions

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

This Afternoon
61°F
Sunny
Sunny, with a high near 61. North wind 3 to 9 mph.

7-day forecast for Millinocket

WhenTempForecastWindPrecip
This Afternoon 61°F Sunny 3 to 9 mph N 0%
Tonight 41°F Partly Cloudy 0 mph 0%
Sunday 59°F Cloudy 0 to 10 mph SE 9%
Sunday Night 43°F Slight Chance Light Rain 0 to 8 mph SW 17%
Monday 62°F Patchy Fog then Mostly Sunny 1 to 10 mph N 1%
Monday Night 40°F Partly Cloudy then Patchy Fog 2 to 9 mph N 0%
Tuesday 61°F Patchy Fog then Sunny 3 to 7 mph N 0%
Tuesday Night 39°F Mostly Clear 5 mph N 0%
Wednesday 64°F Sunny 2 mph NE 0%
Wednesday Night 40°F Mostly Clear 0 mph 0%
Thursday 67°F Sunny 1 mph NE 1%
Thursday Night 41°F Partly Cloudy then Slight Chance Rain Showers 2 mph N 17%
Friday 65°F Slight Chance Rain Showers 2 to 7 mph NE 19%
Friday Night 43°F Chance Rain Showers 5 to 10 mph N 29%

Forecast source: National Weather Service (api.weather.gov) for Millinocket (45.659, -68.698). Updated through the day.

Growing snapshot for Millinocket

Last spring frost
May 17
First fall frost
Sep 29
Growing season
133 days
Hardiness zone
5a

More local growing data for Millinocket: nearby ZIP 04430 weather · frost dates · planting calendar · Maine frost dates

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Climate data from the nearest NOAA station, Millinocket Wastewater, Me (3.8 mi from Millinocket). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.