Brunswick, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brunswick, a community in Cumberland County, Maine.
This Afternoon
68°F
Mostly Sunny
Mostly sunny. High near 68, with temperatures falling to around 61 in the afternoon. Southwest wind 5 to 10 mph.
7-day forecast for Brunswick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 5 to 10 mph SW | 2% |
| Tonight | 51°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 64°F | Partly Sunny then Chance Rain Showers | 5 to 15 mph SW | 36% |
| Thursday Night | 57°F | Mostly Cloudy | 5 to 10 mph SW | 12% |
| Friday | 67°F | Chance Light Rain | 0 to 5 mph S | 48% |
| Friday Night | 52°F | Light Rain | 0 to 5 mph E | 80% |
| Saturday | 60°F | Light Rain Likely | 5 to 10 mph NE | 69% |
| Saturday Night | 42°F | Chance Light Rain | 5 to 10 mph N | 49% |
| Sunday | 55°F | Chance Light Rain | 10 to 15 mph NW | 45% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 13% |
| Monday | 53°F | Mostly Sunny | 5 to 15 mph W | 14% |
| Monday Night | 32°F | Partly Cloudy | 5 to 10 mph W | 11% |
| Tuesday | 55°F | Mostly Sunny | 5 to 15 mph W | 5% |
| Tuesday Night | 33°F | Partly Cloudy | 5 mph W | 3% |
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.