Harman US

Topsham, ME Weather & Growing Conditions

Overnight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. Northwest wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 46°F Mostly Cloudy 0 mph 4%
Wednesday 71°F Mostly Sunny 0 to 5 mph SW 4%
Wednesday Night 51°F Partly Cloudy 5 mph SW 3%
Thursday 67°F Mostly Cloudy then Chance Light Rain 5 to 15 mph S 38%
Thursday Night 56°F Mostly Cloudy then Slight Chance Light Rain 5 to 10 mph SW 17%
Friday 68°F Light Rain Likely 0 to 5 mph S 56%
Friday Night 50°F Light Rain 0 to 5 mph E 92%
Saturday 59°F Light Rain 5 to 10 mph NE 82%
Saturday Night 43°F Chance Light Rain 5 to 10 mph N 43%
Sunday 54°F Chance Light Rain 5 to 10 mph NW 38%
Sunday Night 35°F Slight Chance Light Rain then Partly Cloudy 0 to 5 mph W 16%
Monday 52°F Mostly Sunny then Slight Chance Light Rain 5 to 10 mph W 21%
Monday Night 32°F Slight Chance Light Rain then Partly Cloudy 5 mph W 19%
Tuesday 53°F Mostly Sunny 5 to 10 mph SW 11%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Topsham, ME

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

Explore more for Topsham, ME: full frost dates · planting calendar · Maine frost dates

Climate data from the nearest NOAA station, Brunswick Nas, Me (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.