Harman US

Greenville, ME Weather & Growing Conditions

Today
69°F
Patchy Fog then Partly Sunny
Patchy fog before 10am. Partly sunny. High near 69, with temperatures falling to around 61 in the afternoon. West wind 2 to 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 69°F Patchy Fog then Partly Sunny 2 to 7 mph W 4%
Tonight 47°F Mostly Cloudy 1 mph S 3%
Thursday 65°F Mostly Cloudy then Chance Light Rain 0 to 8 mph S 46%
Thursday Night 51°F Chance Light Rain 1 to 6 mph SW 36%
Friday 64°F Chance Light Rain then Mostly Cloudy 3 mph W 18%
Friday Night 46°F Light Rain 1 to 5 mph NE 78%
Saturday 54°F Light Rain 7 mph NE 75%
Saturday Night 40°F Light Rain Likely 6 mph N 65%
Sunday 49°F Light Rain Likely 6 to 9 mph NW 57%
Sunday Night 34°F Slight Chance Light Rain then Mostly Cloudy 5 mph NW 23%
Monday 47°F Chance Light Rain 3 to 12 mph NW 27%
Monday Night 31°F Slight Chance Light Rain then Slight Chance Rain And Snow 8 mph W 23%
Tuesday 46°F Slight Chance Rain And Snow 7 to 12 mph W 21%
Tuesday Night 30°F Slight Chance Light Rain then Mostly Cloudy 6 to 9 mph W 17%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Greenville, ME

Last spring frost
May 7
First fall frost
Oct 9
Growing season
153 days
Hardiness zone
5a

Explore more for Greenville, ME: full frost dates · planting calendar · Maine frost dates

Climate data from the nearest NOAA station, Greenville Maine Forestry Svc, Me (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.