Brunswick, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brunswick, a community in Cumberland County, Maine.
Today
86°F
Sunny
Sunny, with a high near 86. West wind around 10 mph.
7-day forecast for Brunswick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 10 mph W | 0% |
| Tonight | 60°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 84°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 5 mph SW | 4% |
| Thursday | 87°F | Sunny | 0 to 10 mph SW | 5% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph S | 5% |
| Friday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 22% |
| Friday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 22% |
| Saturday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 41% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 36% |
| Sunday | 86°F | Mostly Sunny | 0 to 10 mph W | 6% |
| Sunday Night | 67°F | Mostly Clear | 0 to 10 mph SW | 7% |
| Monday | 88°F | Mostly Sunny | 0 to 15 mph SW | 11% |
| Monday Night | 66°F | Slight Chance Rain Showers | 0 to 10 mph W | 16% |
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 Aug 4, 2026.