Arlington, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arlington, a community in Middlesex County, Massachusetts.
Today
64°F
Mostly Sunny
Mostly sunny, with a high near 64. Northeast wind around 6 mph.
7-day forecast for Arlington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Mostly Sunny | 6 mph NE | 0% |
| Tonight | 48°F | Partly Cloudy | 2 to 6 mph S | 0% |
| Sunday | 63°F | Mostly Cloudy then Rain Showers | 2 to 7 mph SE | 82% |
| Sunday Night | 52°F | Rain Showers | 5 to 9 mph NE | 81% |
| Monday | 65°F | Partly Sunny | 7 to 10 mph NE | 15% |
| Monday Night | 49°F | Mostly Cloudy | 3 to 8 mph NE | 1% |
| Tuesday | 61°F | Partly Sunny | 8 to 12 mph NE | 2% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 9 mph NE | 2% |
| Wednesday | 62°F | Partly Sunny | 9 to 15 mph NE | 2% |
| Wednesday Night | 49°F | Mostly Cloudy then Slight Chance Rain Showers | 8 to 12 mph NE | 19% |
| Thursday | 61°F | Chance Rain Showers | 12 to 15 mph NE | 32% |
| Thursday Night | 49°F | Chance Rain Showers | 15 mph NE | 35% |
| Friday | 61°F | Chance Rain Showers | 15 mph N | 35% |
| Friday Night | 50°F | Chance Rain Showers | 13 to 16 mph NE | 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.