Dexter, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a community in Penobscot County, Maine.
Tonight
41°F
Mostly Cloudy
Mostly cloudy, with a low around 41. East wind around 2 mph.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Cloudy | 2 mph E | 0% |
| Sunday | 60°F | Mostly Cloudy then Chance Light Rain | 2 to 10 mph S | 34% |
| Sunday Night | 44°F | Chance Light Rain | 1 to 7 mph W | 34% |
| Monday | 65°F | Patchy Fog then Sunny | 5 to 12 mph N | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 to 9 mph N | 0% |
| Tuesday | 63°F | Mostly Sunny | 6 mph N | 0% |
| Tuesday Night | 39°F | Mostly Clear | 6 mph N | 0% |
| Wednesday | 65°F | Sunny | 5 mph NE | 0% |
| Wednesday Night | 38°F | Mostly Clear | 2 mph N | 0% |
| Thursday | 67°F | Sunny | 3 mph NE | 3% |
| Thursday Night | 40°F | Slight Chance Rain Showers | 2 to 6 mph NE | 18% |
| Friday | 66°F | Chance Rain Showers | 6 to 10 mph NE | 26% |
| Friday Night | 43°F | Chance Rain Showers | 8 to 15 mph NE | 34% |
| Saturday | 65°F | Chance Rain Showers | 15 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov) for Dexter (45.016, -69.295). Updated through the day.
Growing snapshot for Dexter
Last spring frost
May 6
First fall frost
Oct 7
Growing season
153 days
Hardiness zone
5a
More local growing data for Dexter: nearby ZIP 04930 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Bangor
Bradley
Brewer
Corinna
East Millinocket
Hampden
Howland
Lincoln
Mattawamkeag
Milford
Millinocket
Newport
Old Town
Orono
Patten
Veazie
Climate data from the nearest NOAA station, E Sangerville, Me (7.8 mi from Dexter). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.