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
Clear
Clear, with a low around 41. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Clear | 8 to 13 mph NW | 0% |
| Saturday | 64°F | Sunny | 5 to 8 mph NW | 0% |
| Saturday Night | 40°F | Partly Cloudy | 3 mph NE | 0% |
| Sunday | 62°F | Mostly Cloudy then Chance Light Rain | 2 to 10 mph S | 30% |
| Sunday Night | 43°F | Chance Light Rain then Patchy Fog | 1 to 8 mph W | 28% |
| Monday | 64°F | Patchy Fog then Sunny | 5 to 10 mph NW | 3% |
| Monday Night | 39°F | Partly Cloudy | 5 to 9 mph N | 1% |
| Tuesday | 63°F | Mostly Sunny | 7 mph N | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 5 mph NE | 1% |
| Wednesday | 65°F | Sunny | 5 mph NE | 0% |
| Wednesday Night | 39°F | Partly Cloudy | 3 mph NE | 3% |
| Thursday | 65°F | Mostly Sunny | 5 mph NE | 10% |
| Thursday Night | 42°F | Slight Chance Rain Showers | 5 mph NE | 24% |
| Friday | 66°F | Chance Rain Showers | 5 to 8 mph N | 25% |
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 19, 2026.