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Houlton, ME Weather & Growing Conditions

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

Overnight
37°F
Mostly Cloudy
Mostly cloudy, with a low around 37. Northeast wind around 2 mph.

7-day forecast for Houlton

WhenTempForecastWindPrecip
Overnight 37°F Mostly Cloudy 2 mph NE 0%
Sunday 60°F Mostly Cloudy 2 to 13 mph S 8%
Sunday Night 40°F Patchy Fog 0 to 9 mph SW 22%
Monday 61°F Patchy Frost then Mostly Sunny 1 to 13 mph NW 3%
Monday Night 35°F Partly Cloudy then Patchy Fog 2 to 9 mph N 0%
Tuesday 62°F Patchy Frost then Sunny 3 to 9 mph N 0%
Tuesday Night 34°F Mostly Clear 1 to 6 mph N 0%
Wednesday 64°F Sunny 3 mph N 0%
Wednesday Night 33°F Mostly Clear 1 mph N 0%
Thursday 68°F Sunny 0 to 3 mph N 0%
Thursday Night 35°F Partly Cloudy 1 mph N 14%
Friday 67°F Slight Chance Rain Showers 1 to 8 mph NE 19%
Friday Night 38°F Chance Rain Showers 2 to 6 mph NE 25%
Saturday 65°F Chance Rain Showers 6 to 12 mph NE 28%

Forecast source: National Weather Service (api.weather.gov) for Houlton (46.121, -67.832). Updated through the day.

Growing snapshot for Houlton

Last spring frost
May 19
First fall frost
Sep 23
Growing season
125 days
Hardiness zone
4b

More local growing data for Houlton: nearby ZIP 04730 weather · frost dates · planting calendar · Maine frost dates

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Climate data from the nearest NOAA station, Houlton 5N, Me (1.4 mi from Houlton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.