Bangor, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bangor, a city in Penobscot County, Maine.
Today
85°F
Sunny
Sunny, with a high near 85. West wind 13 to 16 mph, with gusts as high as 30 mph.
7-day forecast for Bangor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 13 to 16 mph W | 0% |
| Tonight | 61°F | Mostly Clear | 2 to 12 mph SW | 1% |
| Wednesday | 90°F | Sunny | 1 to 10 mph SW | 1% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 10 mph SW | 1% |
| Thursday | 90°F | Sunny | 0 to 8 mph W | 2% |
| Thursday Night | 66°F | Partly Cloudy | 0 to 8 mph S | 2% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 8 mph SW | 30% |
| Friday Night | 68°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 7 mph W | 30% |
| Saturday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 7 mph W | 35% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 32% |
| Sunday | 91°F | Sunny | 1 to 10 mph W | 11% |
| Sunday Night | 67°F | Mostly Clear | 3 to 10 mph SW | 11% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 13 mph W | 21% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 12 mph W | 21% |
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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Milford
Millinocket
Newport
Old Town
Orono
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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 Aug 4, 2026.