Winterport, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winterport, a community in Waldo County, Maine.
Today
84°F
Sunny
Sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 30 mph.
7-day forecast for Winterport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 10 to 15 mph W | 0% |
| Tonight | 61°F | Mostly Clear | 0 to 10 mph SW | 1% |
| Wednesday | 88°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Thursday | 90°F | Sunny | 0 to 10 mph SW | 2% |
| Thursday Night | 67°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Friday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 27% |
| Friday Night | 68°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 26% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 33% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 30% |
| Sunday | 89°F | Sunny | 0 to 10 mph W | 11% |
| Sunday Night | 67°F | Mostly Clear | 5 to 10 mph SW | 11% |
| Monday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph W | 19% |
| Monday Night | 64°F | Slight Chance Rain Showers | 5 to 10 mph W | 20% |
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 Aug 4, 2026.