Greenville, ME Weather & Growing Conditions
Overnight
48°F
Light Rain Likely
Rain likely. Cloudy, with a low around 48. South wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Light Rain Likely | 9 mph S | 62% |
| Wednesday | 63°F | Partly Sunny | 2 to 8 mph W | 13% |
| Wednesday Night | 48°F | Mostly Cloudy | 3 mph S | 4% |
| Thursday | 60°F | Mostly Cloudy then Chance Light Rain | 5 to 14 mph SW | 28% |
| Thursday Night | 52°F | Chance Light Rain | 14 mph W | 32% |
| Friday | 58°F | Mostly Cloudy then Chance Light Rain | 2 to 10 mph W | 35% |
| Friday Night | 45°F | Light Rain Likely | 3 to 9 mph NE | 74% |
| Saturday | 48°F | Light Rain Likely | 8 mph N | 74% |
| Saturday Night | 41°F | Light Rain Likely | 6 to 9 mph NW | 67% |
| Sunday | 44°F | Chance Light Rain | 7 to 10 mph NW | 50% |
| Sunday Night | 37°F | Chance Light Rain then Slight Chance Rain And Snow | 8 mph NW | 29% |
| Monday | 42°F | Chance Rain And Snow | 10 mph NW | 32% |
| Monday Night | 34°F | Slight Chance Rain And Snow | 10 mph NW | 31% |
| Tuesday | 40°F | Chance Rain And Snow | 12 mph W | 26% |
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.