Harman US

Hartland, ME Weather & Growing Conditions

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

Overnight
41°F
Mostly Clear
Mostly clear, with a low around 41. Northwest wind 5 to 10 mph.

7-day forecast for Hartland

WhenTempForecastWindPrecip
Overnight 41°F Mostly Clear 5 to 10 mph NW 0%
Saturday 64°F Sunny 5 to 10 mph NW 0%
Saturday Night 41°F Partly Cloudy 0 to 5 mph E 0%
Sunday 63°F Mostly Cloudy then Chance Rain Showers 0 to 10 mph S 31%
Sunday Night 42°F Chance Rain Showers 0 to 5 mph W 30%
Monday 65°F Sunny 5 to 10 mph NW 3%
Monday Night 40°F Partly Cloudy 5 mph N 0%
Tuesday 64°F Mostly Sunny 5 mph N 1%
Tuesday Night 40°F Partly Cloudy 0 to 5 mph NE 1%
Wednesday 65°F Sunny 0 to 5 mph NE 1%
Wednesday Night 40°F Partly Cloudy 0 mph 4%
Thursday 65°F Mostly Sunny 0 to 5 mph NE 11%
Thursday Night 43°F Slight Chance Rain Showers 0 to 5 mph NE 24%
Friday 67°F Slight Chance Rain Showers 5 mph N 24%

Forecast source: National Weather Service (api.weather.gov) for Hartland (44.886, -69.469). Updated through the day.

Growing snapshot for Hartland

Last spring frost
May 11
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
5a

More local growing data for Hartland: nearby ZIP 04943 weather · frost dates · planting calendar · Maine frost dates

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Climate data from the nearest NOAA station, Harmony, Me (4.8 mi from Hartland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.