Greenville, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenville, a community in Piscataquis County, Maine.
Tonight
47°F
Light Rain
Rain. Cloudy, with a low around 47. Southeast wind around 7 mph, with gusts as high as 17 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Greenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Light Rain | 7 mph SE | 95% |
| Wednesday | 66°F | Slight Chance Light Rain then Mostly Cloudy | 1 to 7 mph SW | 15% |
| Wednesday Night | 49°F | Mostly Cloudy | 1 mph S | 4% |
| Thursday | 64°F | Partly Sunny then Chance Light Rain | 1 to 7 mph S | 28% |
| Thursday Night | 52°F | Chance Light Rain | 1 to 5 mph SW | 30% |
| Friday | 62°F | Mostly Cloudy then Chance Light Rain | 3 mph W | 35% |
| Friday Night | 47°F | Light Rain Likely | 1 to 6 mph NE | 74% |
| Saturday | 52°F | Light Rain Likely | 7 mph N | 74% |
| Saturday Night | 41°F | Light Rain Likely | 7 mph NW | 68% |
| Sunday | 48°F | Chance Light Rain | 9 mph NW | 53% |
| Sunday Night | 37°F | Chance Light Rain | 7 mph NW | 30% |
| Monday | 46°F | Chance Light Rain | 7 to 10 mph NW | 31% |
| Monday Night | 34°F | Slight Chance Rain And Snow | 9 mph NW | 30% |
| Tuesday | 44°F | Chance Rain And Snow | 12 mph W | 26% |
Forecast source: National Weather Service (api.weather.gov) for Greenville (45.466, -69.578). Updated through the day.
Growing snapshot for Greenville
Last spring frost
May 7
First fall frost
Oct 9
Growing season
153 days
Hardiness zone
4b
More local growing data for Greenville: nearby ZIP 04442 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Greenville Maine Forestry Svc, Me (5 mi from Greenville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.