Greenville, ME Weather & Growing Conditions
This Afternoon
66°F
Mostly Cloudy
Mostly cloudy. High near 66, with temperatures falling to around 60 in the afternoon. West wind 2 to 8 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Cloudy | 2 to 8 mph W | 2% |
| Tonight | 49°F | Mostly Cloudy | 5 mph SW | 3% |
| Thursday | 63°F | Mostly Cloudy then Chance Light Rain | 5 to 9 mph S | 44% |
| Thursday Night | 51°F | Chance Light Rain | 5 to 8 mph SW | 42% |
| Friday | 58°F | Slight Chance Light Rain then Mostly Cloudy | 5 mph NW | 16% |
| Friday Night | 46°F | Light Rain | 3 to 8 mph NE | 76% |
| Saturday | 48°F | Light Rain | 8 mph NE | 74% |
| Saturday Night | 41°F | Light Rain Likely | 5 to 9 mph N | 64% |
| Sunday | 44°F | Light Rain Likely | 6 to 10 mph NW | 57% |
| Sunday Night | 36°F | Slight Chance Light Rain | 7 mph NW | 24% |
| Monday | 41°F | Chance Rain And Snow | 8 to 12 mph NW | 29% |
| Monday Night | 33°F | Chance Rain And Snow | 12 mph NW | 25% |
| Tuesday | 40°F | Slight Chance Light Snow | 12 mph W | 23% |
| Tuesday Night | 32°F | Slight Chance Rain And Snow then Mostly Cloudy | 9 to 13 mph W | 21% |
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
4b
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 (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.