Hartland, ME Weather & Growing Conditions
Tonight
43°F
Mostly Cloudy
Mostly cloudy, with a low around 43. East wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Cloudy | 0 mph | 0% |
| Sunday | 59°F | Mostly Cloudy then Chance Light Rain | 0 to 10 mph S | 57% |
| Sunday Night | 42°F | Chance Light Rain then Patchy Fog | 0 to 5 mph SW | 50% |
| Monday | 63°F | Sunny | 5 to 10 mph N | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 mph N | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 mph N | 0% |
| Tuesday Night | 40°F | Mostly Clear | 5 mph N | 0% |
| Wednesday | 64°F | Sunny | 0 to 5 mph NE | 0% |
| Wednesday Night | 40°F | Mostly Clear | 0 mph | 0% |
| Thursday | 66°F | Mostly Sunny | 0 mph | 3% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph NE | 17% |
| Friday | 65°F | Chance Rain Showers | 5 to 10 mph NE | 26% |
| Friday Night | 45°F | Chance Rain Showers | 5 to 15 mph NE | 35% |
| Saturday | 64°F | Chance Rain Showers | 10 to 15 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hartland, ME
Last spring frost
May 11
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
5a
Explore more for Hartland, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Harmony, Me (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.