Hartland, ME Weather & Growing Conditions
Tonight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. Northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Partly Cloudy | 1 mph NE | 0% |
| Sunday | 58°F | Mostly Cloudy then Chance Light Rain | 1 to 9 mph SE | 42% |
| Sunday Night | 45°F | Chance Light Rain then Patchy Fog | 1 to 6 mph W | 39% |
| Monday | 63°F | Patchy Fog then Sunny | 5 to 10 mph N | 0% |
| Monday Night | 40°F | Partly Cloudy | 3 to 8 mph N | 0% |
| Tuesday | 61°F | Mostly Sunny | 5 mph N | 0% |
| Tuesday Night | 40°F | Mostly Clear | 5 mph N | 0% |
| Wednesday | 64°F | Sunny | 5 mph NE | 0% |
| Wednesday Night | 40°F | Mostly Clear | 2 mph N | 0% |
| Thursday | 66°F | Sunny | 3 mph NE | 3% |
| Thursday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 6 mph NE | 17% |
| Friday | 65°F | Chance Rain Showers | 8 mph NE | 25% |
| Friday Night | 46°F | Chance Rain Showers | 6 to 12 mph NE | 34% |
| Saturday | 64°F | Chance Rain Showers | 12 mph N | 34% |
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 (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.