Winthrop, ME Weather & Growing Conditions
Today
82°F
Sunny
Sunny, with a high near 82. West wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 10 to 15 mph W | 0% |
| Tonight | 60°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 84°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 5 mph SW | 3% |
| Thursday | 87°F | Mostly Sunny | 0 to 5 mph S | 8% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph SW | 7% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 26% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 26% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 36% |
| Sunday | 87°F | Sunny | 0 to 5 mph W | 5% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph SW | 9% |
| Monday | 86°F | Mostly Sunny | 0 to 10 mph W | 14% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winthrop, ME
Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5b
Explore more for Winthrop, ME: full frost dates · planting calendar · Maine frost dates
Climate data from the nearest NOAA station, Turner, Me (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.