Westbrook, ME Weather & Growing Conditions
This Afternoon
66°F
Sunny
Sunny, with a high near 66. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Sunny | 5 mph SW | 0% |
| Tonight | 44°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Sunday | 61°F | Mostly Cloudy then Rain | 0 to 10 mph S | 82% |
| Sunday Night | 45°F | Rain | 0 to 10 mph NE | 77% |
| Monday | 68°F | Mostly Sunny | 10 mph N | 1% |
| Monday Night | 43°F | Partly Cloudy | 5 mph N | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 10 mph NE | 0% |
| Wednesday | 65°F | Mostly Sunny | 10 mph NE | 0% |
| Wednesday Night | 42°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Thursday | 65°F | Slight Chance Rain Showers | 5 to 10 mph NE | 16% |
| Thursday Night | 43°F | Slight Chance Rain Showers | 0 to 15 mph NE | 24% |
| Friday | 65°F | Chance Rain Showers | 15 to 20 mph NE | 35% |
| Friday Night | 45°F | Chance Rain Showers | 10 to 20 mph NE | 41% |
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 Sep 19, 2026.