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Arlington, MA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Arlington, a community in Middlesex County, Massachusetts.

Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. North wind 6 to 9 mph.

7-day forecast for Arlington

WhenTempForecastWindPrecip
Tonight 48°F Partly Cloudy 6 to 9 mph N 0%
Saturday 64°F Sunny 6 mph NE 0%
Saturday Night 45°F Partly Cloudy 2 to 6 mph S 1%
Sunday 64°F Rain Showers Likely 2 to 7 mph SE 73%
Sunday Night 55°F Rain Showers 3 to 9 mph E 84%
Monday 64°F Chance Rain Showers then Partly Sunny 7 to 10 mph NE 33%
Monday Night 52°F Partly Cloudy 3 to 9 mph NE 6%
Tuesday 60°F Partly Sunny 12 mph NE 5%
Tuesday Night 51°F Mostly Cloudy 7 to 10 mph NE 3%
Wednesday 60°F Partly Sunny 10 to 15 mph NE 6%
Wednesday Night 50°F Mostly Cloudy then Slight Chance Rain Showers 8 to 12 mph NE 17%
Thursday 59°F Chance Rain Showers 10 to 14 mph NE 29%
Thursday Night 51°F Chance Rain Showers 8 to 12 mph NE 38%
Friday 63°F Chance Rain Showers 12 mph N 37%

Forecast source: National Weather Service (api.weather.gov) for Arlington (42.419, -71.164). Updated through the day.

Growing snapshot for Arlington

Last spring frost
Apr 25
First fall frost
Oct 17
Growing season
174 days
Hardiness zone
6b

More local growing data for Arlington: nearby ZIP 02474 weather · frost dates · planting calendar · Massachusetts frost dates

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Climate data from the nearest NOAA station, Reading, Ma (7.3 mi from Arlington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.