Winterport, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winterport, a community in Waldo County, Maine.
Overnight
49°F
Chance Rain Showers
A chance of rain showers before 5am. Cloudy, with a low around 49. Southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Winterport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Chance Rain Showers | 0 to 5 mph SE | 39% |
| Wednesday | 70°F | Mostly Sunny | 0 to 5 mph S | 11% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph S | 4% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph S | 7% |
| Thursday Night | 56°F | Mostly Cloudy then Isolated Rain Showers | 5 to 10 mph SW | 15% |
| Friday | 66°F | Light Rain Likely | 0 to 5 mph S | 55% |
| Friday Night | 50°F | Light Rain | 5 to 10 mph E | 85% |
| Saturday | 57°F | Light Rain | 10 mph NE | 84% |
| Saturday Night | 44°F | Light Rain Likely | 10 mph N | 72% |
| Sunday | 56°F | Light Rain Likely | 5 to 10 mph NW | 55% |
| Sunday Night | 37°F | Chance Light Rain then Mostly Cloudy | 5 mph W | 30% |
| Monday | 53°F | Slight Chance Light Rain | 5 to 10 mph NW | 24% |
| Monday Night | 34°F | Slight Chance Light Rain | 10 mph NW | 23% |
| Tuesday | 52°F | Slight Chance Light Rain | 10 to 15 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov) for Winterport (44.648, -68.861). Updated through the day.
Growing snapshot for Winterport
Last spring frost
May 4
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
5a
More local growing data for Winterport: nearby ZIP 04496 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bangor Intl Ap, Me (11.1 mi from Winterport). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.