Brunswick, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brunswick, a community in Cumberland County, Maine.
Tonight
47°F
Chance Rain Showers then Cloudy
A chance of rain showers before 11pm. Cloudy, with a low around 47. South wind 0 to 5 mph. Chance of precipitation is 30%.
7-day forecast for Brunswick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Chance Rain Showers then Cloudy | 0 to 5 mph S | 28% |
| Wednesday | 69°F | Partly Sunny | 0 to 10 mph SW | 6% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph SW | 3% |
| Thursday | 67°F | Mostly Cloudy then Isolated Rain Showers | 5 to 15 mph SW | 16% |
| Thursday Night | 57°F | Mostly Cloudy then Isolated Rain Showers | 5 to 10 mph SW | 17% |
| Friday | 66°F | Light Rain Likely | 0 to 5 mph S | 65% |
| Friday Night | 50°F | Light Rain | 0 to 10 mph E | 84% |
| Saturday | 59°F | Light Rain | 10 mph N | 79% |
| Saturday Night | 43°F | Light Rain Likely | 5 mph NW | 58% |
| Sunday | 57°F | Chance Light Rain | 5 to 10 mph NW | 38% |
| Sunday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 0 to 5 mph W | 17% |
| Monday | 55°F | Slight Chance Light Rain | 5 to 15 mph NW | 21% |
| Monday Night | 34°F | Slight Chance Light Rain | 5 to 10 mph NW | 20% |
| Tuesday | 54°F | Slight Chance Light Rain | 10 to 15 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Brunswick (43.887, -69.943). Updated through the day.
Growing snapshot for Brunswick
Last spring frost
May 2
First fall frost
Oct 10
Growing season
160 days
Hardiness zone
5b
More local growing data for Brunswick: nearby ZIP 04011 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Bridgton
Casco
Cousins Island
Cumberland Center
Dunstan
Falmouth
Falmouth Foreside
Freeport
Gorham
Gray
Little Falls
Littlejohn Island
Naples
North Windham
Oak Hill
Portland
South Portland
South Windham
Standish
Steep Falls
Westbrook
Yarmouth
Climate data from the nearest NOAA station, Brunswick Nas, Me (2 mi from Brunswick). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.