Harman US

Waterville, ME Weather & Growing Conditions

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

Overnight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. South wind around 0 mph.

7-day forecast for Waterville

WhenTempForecastWindPrecip
Overnight 47°F Mostly Cloudy 0 mph 9%
Wednesday 71°F Partly Sunny 0 to 5 mph SW 5%
Wednesday Night 48°F Partly Cloudy 0 to 5 mph S 3%
Thursday 70°F Mostly Cloudy then Chance Light Rain 5 to 15 mph S 34%
Thursday Night 56°F Chance Light Rain 5 to 10 mph SW 29%
Friday 68°F Chance Light Rain 0 mph 37%
Friday Night 50°F Light Rain 0 to 10 mph NE 89%
Saturday 58°F Light Rain 5 to 10 mph NE 83%
Saturday Night 43°F Light Rain Likely 5 to 10 mph N 57%
Sunday 53°F Chance Light Rain 5 to 10 mph NW 50%
Sunday Night 36°F Slight Chance Light Rain then Partly Cloudy 0 to 5 mph W 19%
Monday 51°F Mostly Sunny then Slight Chance Light Rain 5 to 10 mph W 20%
Monday Night 33°F Slight Chance Light Rain 5 mph W 18%
Tuesday 51°F Slight Chance Light Rain 5 to 10 mph SW 16%

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

Nearby towns & communities

All Maine locations ›

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 Nov 4, 2026.