Harman US

Wellesley, MA Weather & Growing Conditions

Overnight
46°F
Mostly Clear
Mostly clear, with a low around 46. North wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 46°F Mostly Clear 6 mph N 0%
Saturday 65°F Sunny 5 mph NE 0%
Saturday Night 43°F Partly Cloudy 3 mph SE 1%
Sunday 64°F Rain Showers 1 to 6 mph SE 75%
Sunday Night 55°F Rain Showers 2 to 7 mph NE 84%
Monday 65°F Chance Rain Showers then Partly Sunny 6 to 9 mph NE 34%
Monday Night 50°F Partly Cloudy 2 to 7 mph NE 8%
Tuesday 61°F Mostly Cloudy 7 to 10 mph NE 6%
Tuesday Night 50°F Mostly Cloudy 5 to 8 mph NE 3%
Wednesday 61°F Partly Sunny 8 to 13 mph NE 7%
Wednesday Night 49°F Mostly Cloudy then Slight Chance Rain Showers 6 to 9 mph NE 18%
Thursday 61°F Chance Rain Showers 8 to 12 mph NE 29%
Thursday Night 50°F Chance Rain Showers 9 mph NE 38%
Friday 64°F Chance Rain Showers 10 mph N 37%

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

Growing snapshot for Wellesley, MA

Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
169 days
Hardiness zone
6b

Explore more for Wellesley, MA: full frost dates · planting calendar · Massachusetts frost dates

Climate data from the nearest NOAA station, Natick, Ma (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.