Dexter, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a community in Penobscot County, Maine.
Today
70°F
Patchy Fog then Partly Sunny
Patchy fog before 10am. Partly sunny. High near 70, with temperatures falling to around 63 in the afternoon. Southwest wind around 7 mph.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Fog then Partly Sunny | 7 mph SW | 8% |
| Tonight | 45°F | Partly Cloudy | 0 to 3 mph S | 4% |
| Thursday | 69°F | Mostly Cloudy then Chance Light Rain | 2 to 12 mph S | 37% |
| Thursday Night | 53°F | Mostly Cloudy then Chance Light Rain | 2 to 9 mph SW | 34% |
| Friday | 67°F | Chance Light Rain | 3 mph NW | 34% |
| Friday Night | 47°F | Light Rain | 3 to 9 mph NE | 87% |
| Saturday | 57°F | Light Rain | 9 mph NE | 78% |
| Saturday Night | 41°F | Light Rain Likely | 8 mph NE | 66% |
| Sunday | 52°F | Light Rain Likely | 7 to 10 mph NW | 58% |
| Sunday Night | 33°F | Slight Chance Light Rain then Mostly Cloudy | 3 to 7 mph NW | 21% |
| Monday | 50°F | Slight Chance Light Rain | 6 to 12 mph W | 21% |
| Monday Night | 31°F | Slight Chance Light Rain | 8 mph W | 19% |
| Tuesday | 50°F | Slight Chance Light Rain then Mostly Sunny | 7 to 10 mph SW | 15% |
| Tuesday Night | 30°F | Mostly Cloudy | 8 mph W | 12% |
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 Nov 4, 2026.