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South Windham, ME Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for South Windham, a community in Cumberland County, Maine.

This Afternoon
77°F
Sunny
Sunny, with a high near 77. Northwest wind around 15 mph, with gusts as high as 25 mph.

7-day forecast for South Windham

WhenTempForecastWindPrecip
This Afternoon 77°F Sunny 15 mph NW 0%
Tonight 43°F Partly Cloudy 5 to 10 mph NW 0%
Saturday 67°F Sunny 0 to 5 mph NW 0%
Saturday Night 43°F Partly Cloudy 0 to 5 mph SW 0%
Sunday 64°F Chance Rain Showers 0 to 10 mph S 54%
Sunday Night 44°F Rain Showers Likely 0 to 5 mph E 55%
Monday 67°F Mostly Sunny 5 to 10 mph N 6%
Monday Night 43°F Partly Cloudy 5 to 10 mph N 0%
Tuesday 64°F Partly Sunny 5 to 10 mph NE 1%
Tuesday Night 42°F Partly Cloudy 0 to 10 mph NE 1%
Wednesday 64°F Mostly Sunny 10 mph NE 1%
Wednesday Night 42°F Partly Cloudy 0 to 5 mph NE 7%
Thursday 64°F Partly Sunny then Slight Chance Rain Showers 5 to 10 mph NE 24%
Thursday Night 43°F Slight Chance Rain Showers 5 to 15 mph NE 24%

Forecast source: National Weather Service (api.weather.gov) for South Windham (43.739, -70.422). Updated through the day.

Growing snapshot for South Windham

Last spring frost
May 7
First fall frost
Oct 4
Growing season
148 days
Hardiness zone
5b

More local growing data for South Windham: nearby ZIP 04038 weather · frost dates · planting calendar · Maine frost dates

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Climate data from the nearest NOAA station, West Buxton 2 Nnw, Me (7.5 mi from South Windham). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.