Westbrook, ME Weather & Growing Conditions
Tonight
46°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 10pm. Mostly cloudy, with a low around 46. South wind 0 to 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph S | 26% |
| Wednesday | 75°F | Mostly Sunny | 0 to 10 mph SW | 6% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph SW | 3% |
| Thursday | 72°F | Partly Sunny then Isolated Rain Showers | 5 to 10 mph SW | 17% |
| Thursday Night | 58°F | Mostly Cloudy then Isolated Rain Showers | 5 to 10 mph SW | 17% |
| Friday | 69°F | Light Rain Likely | 5 mph S | 65% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph NE | 85% |
| Saturday | 61°F | Light Rain | 5 to 10 mph N | 75% |
| Saturday Night | 41°F | Light Rain Likely | 5 mph NW | 55% |
| Sunday | 59°F | Chance Light Rain | 5 to 10 mph W | 33% |
| Sunday Night | 34°F | Slight Chance Light Rain then Partly Cloudy | 5 mph W | 16% |
| Monday | 56°F | Slight Chance Light Rain | 5 to 15 mph W | 22% |
| Monday Night | 32°F | Slight Chance Light Rain | 5 to 10 mph W | 21% |
| Tuesday | 56°F | Slight Chance Light Rain then Mostly Sunny | 10 to 15 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westbrook, ME
Last spring frost
Apr 26
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
5b
Explore more for Westbrook, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Portland Intl Jetport, Me (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.