Brunswick, ME Weather & Growing Conditions
Tonight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 60°F | Mostly Cloudy then Rain | 5 to 10 mph S | 78% |
| Sunday Night | 45°F | Rain | 0 to 5 mph NE | 75% |
| Monday | 67°F | Mostly Sunny | 10 to 15 mph N | 3% |
| Monday Night | 44°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Tuesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph E | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Thursday | 64°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Thursday Night | 45°F | Slight Chance Rain Showers | 0 to 15 mph NE | 21% |
| Friday | 65°F | Chance Rain Showers | 15 mph NE | 34% |
| Friday Night | 46°F | Chance Rain Showers | 15 mph NE | 41% |
| Saturday | 66°F | Chance Rain Showers | 15 to 20 mph N | 40% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brunswick, ME
Last spring frost
May 2
First fall frost
Oct 10
Growing season
160 days
Hardiness zone
5b
Explore more for Brunswick, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Brunswick Nas, Me (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.