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Waterville, ME Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Waterville, a city in Kennebec County, Maine.

Tonight
43°F
Mostly Clear
Mostly clear, with a low around 43. North wind 5 to 10 mph, with gusts as high as 25 mph.

7-day forecast for Waterville

WhenTempForecastWindPrecip
Tonight 43°F Mostly Clear 5 to 10 mph N 0%
Saturday 64°F Sunny 0 to 10 mph N 0%
Saturday Night 43°F Partly Cloudy 0 mph 0%
Sunday 62°F Mostly Cloudy then Chance Rain Showers 0 to 10 mph S 34%
Sunday Night 46°F Chance Rain Showers 0 to 5 mph W 33%
Monday 65°F Mostly Sunny 5 to 10 mph N 3%
Monday Night 43°F Partly Cloudy 5 mph N 0%
Tuesday 63°F Mostly Sunny 5 mph NE 0%
Tuesday Night 42°F Partly Cloudy 0 to 5 mph NE 1%
Wednesday 64°F Sunny 5 mph NE 1%
Wednesday Night 42°F Partly Cloudy 0 mph 5%
Thursday 64°F Partly Sunny then Slight Chance Rain Showers 0 to 5 mph NE 15%
Thursday Night 45°F Slight Chance Rain Showers 0 to 5 mph NE 24%
Friday 65°F Slight Chance Rain Showers 5 mph N 24%

Forecast source: National Weather Service (api.weather.gov) for Waterville (44.545, -69.661). Updated through the day.

Growing snapshot for Waterville

Last spring frost
May 2
First fall frost
Oct 10
Growing season
159 days
Hardiness zone
5b

More local growing data for Waterville: nearby ZIP 04901 weather · frost dates · planting calendar · Maine frost dates

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Climate data from the nearest NOAA station, Waterville Trtmt Plt, Me (4.1 mi from Waterville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.