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Wellesley, MA Weather & Growing Conditions

This Afternoon
68°F
Mostly Sunny
Mostly sunny, with a high near 68. East wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Mostly Sunny 3 mph E 0%
Tonight 43°F Partly Cloudy 0 to 5 mph SE 0%
Sunday 62°F Rain Showers 1 to 7 mph SE 100%
Sunday Night 53°F Rain Showers 3 to 9 mph NE 100%
Monday 67°F Slight Chance Rain Showers then Partly Sunny 8 mph NE 18%
Monday Night 48°F Mostly Cloudy 2 to 6 mph NE 2%
Tuesday 61°F Mostly Cloudy 6 to 9 mph NE 2%
Tuesday Night 47°F Mostly Cloudy 3 to 7 mph NE 2%
Wednesday 62°F Partly Sunny 8 to 13 mph NE 3%
Wednesday Night 47°F Mostly Cloudy then Slight Chance Rain Showers 6 to 10 mph NE 20%
Thursday 61°F Chance Rain Showers 9 to 13 mph NE 33%
Thursday Night 48°F Chance Rain Showers 9 to 13 mph NE 35%
Friday 62°F Chance Rain Showers 13 mph N 35%
Friday Night 48°F Chance Rain Showers 13 mph NE 38%

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.