Bangor, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bangor, a city in Penobscot County, Maine.
Today
61°F
Chance Light Rain
A chance of rain. Mostly cloudy. High near 61, with temperatures falling to around 55 in the afternoon. East wind 0 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Bangor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Chance Light Rain | 0 to 6 mph E | 47% |
| Tonight | 48°F | Light Rain Likely | 6 mph SE | 60% |
| Wednesday | 69°F | Chance Light Rain then Partly Sunny | 3 to 7 mph SW | 41% |
| Wednesday Night | 48°F | Partly Cloudy | 1 to 5 mph SW | 0% |
| Thursday | 69°F | Partly Sunny | 2 to 12 mph S | 9% |
| Thursday Night | 55°F | Slight Chance Light Rain | 5 to 10 mph SW | 15% |
| Friday | 68°F | Chance Light Rain | 3 to 7 mph S | 49% |
| Friday Night | 50°F | Light Rain | 6 to 13 mph E | 80% |
| Saturday | 58°F | Light Rain | 13 mph NE | 80% |
| Saturday Night | 43°F | Light Rain Likely | 7 to 10 mph N | 71% |
| Sunday | 55°F | Light Rain Likely | 9 mph NW | 55% |
| Sunday Night | 37°F | Slight Chance Light Rain | 3 to 7 mph NW | 22% |
| Monday | 54°F | Slight Chance Light Rain | 3 to 9 mph NW | 24% |
| Monday Night | 37°F | Chance Light Rain | 6 to 9 mph NW | 37% |
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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Corinna
Dexter
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Howland
Lincoln
Mattawamkeag
Milford
Millinocket
Newport
Old Town
Orono
Patten
Veazie
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 Nov 3, 2026.