Greenville, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenville, a community in Piscataquis County, Maine.
Today
76°F
Sunny
Sunny, with a high near 76. Northwest wind 12 to 16 mph, with gusts as high as 31 mph.
7-day forecast for Greenville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 12 to 16 mph NW | 0% |
| Tonight | 61°F | Mostly Clear | 3 to 9 mph NW | 2% |
| Wednesday | 84°F | Sunny | 2 to 6 mph W | 1% |
| Wednesday Night | 63°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Thursday | 84°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Thursday Night | 65°F | Partly Cloudy | 2 mph W | 6% |
| Friday | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph W | 48% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 5 mph NW | 44% |
| Saturday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 3 mph NW | 35% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 32% |
| Sunday | 83°F | Sunny | 2 to 7 mph W | 14% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 mph W | 19% |
| Monday | 81°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 38% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 6 to 9 mph W | 36% |
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 Aug 4, 2026.