Dexter, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a community in Penobscot County, Maine.
Today
83°F
Sunny
Sunny, with a high near 83. West wind 10 to 15 mph, with gusts as high as 28 mph.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 10 to 15 mph W | 0% |
| Tonight | 59°F | Mostly Clear | 2 to 9 mph W | 1% |
| Wednesday | 89°F | Sunny | 1 to 7 mph SW | 1% |
| Wednesday Night | 62°F | Partly Cloudy | 0 to 6 mph SW | 1% |
| Thursday | 90°F | Mostly Sunny | 0 to 3 mph W | 2% |
| Thursday Night | 65°F | Partly Cloudy | 3 mph SW | 5% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph W | 34% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 5 mph W | 32% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph W | 37% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph W | 33% |
| Sunday | 90°F | Sunny | 1 to 8 mph W | 11% |
| Sunday Night | 64°F | Mostly Clear | 2 to 7 mph SW | 13% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 10 mph W | 24% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph W | 23% |
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 Aug 4, 2026.