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Casco, ME Weather & Growing Conditions

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

This Afternoon
73°F
Sunny
Sunny, with a high near 73. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

7-day forecast for Casco

WhenTempForecastWindPrecip
This Afternoon 73°F Sunny 10 to 15 mph NW 0%
Tonight 41°F Partly Cloudy 5 to 10 mph NW 0%
Saturday 65°F Sunny 0 to 5 mph NW 0%
Saturday Night 42°F Partly Cloudy 0 to 5 mph S 0%
Sunday 61°F Rain Showers Likely 0 to 10 mph S 59%
Sunday Night 43°F Rain Showers Likely 0 to 5 mph E 55%
Monday 66°F Mostly Sunny 5 to 10 mph N 2%
Monday Night 41°F Partly Cloudy 5 mph N 1%
Tuesday 62°F Partly Sunny 5 to 10 mph NE 1%
Tuesday Night 40°F Partly Cloudy 0 to 5 mph NE 1%
Wednesday 64°F Mostly Sunny 5 to 10 mph NE 1%
Wednesday Night 40°F Partly Cloudy 0 to 5 mph NE 5%
Thursday 62°F Partly Sunny then Slight Chance Rain Showers 5 mph NE 23%
Thursday Night 42°F Slight Chance Rain Showers 5 to 10 mph NE 23%

Forecast source: National Weather Service (api.weather.gov) for Casco (44.002, -70.533). Updated through the day.

Growing snapshot for Casco

Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
5b

More local growing data for Casco: nearby ZIP 04015 weather · frost dates · planting calendar · Maine frost dates

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Climate data from the nearest NOAA station, Windham 2Nw, Me (7 mi from Casco). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.