Fort Fairfield, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Fairfield, a community in Aroostook County, Maine.
Overnight
37°F
Mostly Cloudy
Mostly cloudy, with a low around 37. Southeast wind 0 to 5 mph.
7-day forecast for Fort Fairfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Mostly Cloudy | 0 to 5 mph SE | 0% |
| Sunday | 59°F | Cloudy then Isolated Rain Showers | 6 to 13 mph S | 37% |
| Sunday Night | 42°F | Scattered Rain Showers then Patchy Fog | 2 to 10 mph SW | 32% |
| Monday | 59°F | Patchy Fog then Partly Sunny | 3 to 15 mph NW | 1% |
| Monday Night | 37°F | Partly Cloudy then Patchy Fog | 3 to 12 mph NW | 0% |
| Tuesday | 62°F | Patchy Fog then Sunny | 5 to 9 mph N | 0% |
| Tuesday Night | 35°F | Mostly Clear | 1 to 6 mph N | 0% |
| Wednesday | 64°F | Sunny | 3 mph N | 0% |
| Wednesday Night | 36°F | Mostly Clear | 1 mph N | 0% |
| Thursday | 68°F | Sunny | 0 to 3 mph N | 0% |
| Thursday Night | 38°F | Partly Cloudy | 1 mph N | 11% |
| Friday | 68°F | Partly Sunny then Slight Chance Rain Showers | 1 to 6 mph NE | 16% |
| Friday Night | 41°F | Slight Chance Rain Showers | 6 mph NE | 22% |
| Saturday | 66°F | Slight Chance Rain Showers | 5 to 10 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov) for Fort Fairfield (46.767, -67.832). Updated through the day.
Growing snapshot for Fort Fairfield
Last spring frost
May 7
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
4a
More local growing data for Fort Fairfield: nearby ZIP 04742 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Ashland
Blaine
Caribou
Eagle Lake
Fort Kent
Grand Isle
Houlton
Island Falls
Limestone
Madawaska
Mapleton
Mars Hill
Oakfield
Presque Isle
Van Buren
Washburn
Climate data from the nearest NOAA station, Caribou Muni Ap, Me (9.9 mi from Fort Fairfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.