Winterport, ME Weather & Growing Conditions
This Afternoon
70°F
Partly Sunny
Partly sunny. High near 70, with temperatures falling to around 61 in the afternoon. Southwest wind 5 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Partly Sunny | 5 to 9 mph SW | 5% |
| Tonight | 49°F | Partly Cloudy | 5 mph S | 4% |
| Thursday | 69°F | Mostly Cloudy then Slight Chance Light Rain | 6 to 14 mph S | 22% |
| Thursday Night | 56°F | Chance Light Rain | 3 to 13 mph SW | 32% |
| Friday | 66°F | Chance Light Rain | 5 mph S | 47% |
| Friday Night | 50°F | Light Rain | 3 to 10 mph E | 93% |
| Saturday | 57°F | Light Rain | 12 mph E | 83% |
| Saturday Night | 45°F | Light Rain Likely | 10 mph NE | 61% |
| Sunday | 52°F | Light Rain Likely | 8 to 12 mph NW | 55% |
| Sunday Night | 37°F | Slight Chance Light Rain then Mostly Cloudy | 7 mph NW | 19% |
| Monday | 50°F | Mostly Sunny then Slight Chance Light Rain | 6 to 13 mph W | 21% |
| Monday Night | 34°F | Slight Chance Light Rain | 10 mph W | 20% |
| Tuesday | 50°F | Mostly Sunny | 9 to 13 mph SW | 14% |
| Tuesday Night | 34°F | Mostly Cloudy | 10 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winterport, ME
Last spring frost
May 4
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
5a
Explore more for Winterport, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Bangor Intl Ap, Me (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.