Winslow, ME Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winslow, a community in Kennebec County, Maine.
Tonight
47°F
Chance Rain Showers
A chance of rain showers before 4am. Cloudy, with a low around 47. Southeast wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Winslow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Chance Rain Showers | 0 mph | 53% |
| Wednesday | 72°F | Partly Sunny | 0 to 5 mph SW | 9% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph S | 4% |
| Thursday | 70°F | Mostly Cloudy then Isolated Rain Showers | 5 to 10 mph S | 20% |
| Thursday Night | 56°F | Mostly Cloudy | 0 to 10 mph SW | 13% |
| Friday | 68°F | Chance Light Rain | 0 mph | 51% |
| Friday Night | 50°F | Light Rain | 0 to 5 mph NE | 87% |
| Saturday | 58°F | Light Rain | 5 to 10 mph NE | 83% |
| Saturday Night | 43°F | Light Rain Likely | 5 mph NW | 67% |
| Sunday | 56°F | Chance Light Rain | 5 to 10 mph NW | 52% |
| Sunday Night | 35°F | Slight Chance Light Rain then Mostly Cloudy | 5 mph W | 20% |
| Monday | 53°F | Slight Chance Light Rain | 5 to 10 mph W | 19% |
| Monday Night | 33°F | Slight Chance Light Rain | 5 mph W | 21% |
| Tuesday | 52°F | Slight Chance Light Rain then Mostly Sunny | 5 to 10 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov) for Winslow (44.553, -69.608). Updated through the day.
Growing snapshot for Winslow
Last spring frost
May 2
First fall frost
Oct 10
Growing season
159 days
Hardiness zone
5b
More local growing data for Winslow: nearby ZIP 04901 weather · frost dates · planting calendar · Maine frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Waterville Trtmt Plt, Me (4.1 mi from Winslow). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.