Harman US

Boston, MA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Boston, a city in Suffolk County, Massachusetts.

Today
59°F
Mostly Sunny
Mostly sunny, with a high near 59. Northeast wind around 8 mph.

7-day forecast for Boston

WhenTempForecastWindPrecip
Today 59°F Mostly Sunny 8 mph NE 0%
Tonight 53°F Partly Cloudy 2 to 6 mph S 0%
Sunday 63°F Mostly Cloudy then Rain Showers 2 to 8 mph SE 82%
Sunday Night 55°F Rain Showers 6 to 12 mph E 81%
Monday 61°F Slight Chance Rain Showers then Partly Sunny 9 to 13 mph NE 20%
Monday Night 53°F Mostly Cloudy 5 to 10 mph NE 2%
Tuesday 59°F Partly Sunny 12 to 15 mph NE 2%
Tuesday Night 53°F Mostly Cloudy 9 to 14 mph NE 2%
Wednesday 60°F Partly Sunny 15 to 24 mph NE 2%
Wednesday Night 53°F Mostly Cloudy then Slight Chance Rain Showers 14 to 20 mph NE 20%
Thursday 59°F Chance Rain Showers 17 to 26 mph NE 33%
Thursday Night 53°F Chance Rain Showers 17 to 24 mph NE 36%
Friday 60°F Chance Rain Showers 18 to 26 mph NE 37%
Friday Night 54°F Chance Rain Showers 18 to 24 mph NE 40%

Forecast source: National Weather Service (api.weather.gov) for Boston (42.339, -71.018). Updated through the day.

Growing snapshot for Boston

Last spring frost
Apr 4
First fall frost
Nov 9
Growing season
218 days
Hardiness zone
7a

More local growing data for Boston: nearby ZIP 02127 weather · frost dates · planting calendar · Massachusetts frost dates

Nearby towns & communities

All Massachusetts locations ›

Climate data from the nearest NOAA station, Boston Logan Intl Ap, Ma (2.2 mi from Boston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.