Bangor, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bangor, a city in Penobscot County, Maine.
This Afternoon
74°F
Sunny
Sunny, with a high near 74. Northwest wind around 18 mph, with gusts as high as 32 mph.
7-day forecast for Bangor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 18 mph NW | 0% |
| Tonight | 43°F | Clear | 7 to 17 mph NW | 0% |
| Saturday | 64°F | Sunny | 8 mph NW | 0% |
| Saturday Night | 43°F | Partly Cloudy | 3 mph E | 0% |
| Sunday | 62°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 14 mph S | 24% |
| Sunday Night | 46°F | Chance Light Rain | 1 to 10 mph SW | 32% |
| Monday | 65°F | Patchy Fog then Mostly Sunny | 2 to 10 mph N | 6% |
| Monday Night | 42°F | Partly Cloudy | 6 to 9 mph N | 1% |
| Tuesday | 64°F | Mostly Sunny | 6 to 9 mph N | 1% |
| Tuesday Night | 41°F | Partly Cloudy | 3 to 7 mph NE | 1% |
| Wednesday | 66°F | Sunny | 6 mph NE | 0% |
| Wednesday Night | 41°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Thursday | 66°F | Mostly Sunny | 1 to 7 mph NE | 10% |
| Thursday Night | 44°F | Chance Rain Showers | 2 to 7 mph NE | 26% |
Forecast source: National Weather Service (api.weather.gov) for Bangor (44.830, -68.789). Updated through the day.
Growing snapshot for Bangor
Last spring frost
May 4
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
5a
More local growing data for Bangor: nearby ZIP 04401 weather · frost dates · planting calendar · Maine frost dates
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Climate data from the nearest NOAA station, Bangor Intl Ap, Me (3.8 mi from Bangor). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.