Arlington, MA Weather & Growing Conditions
Overnight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Partly Cloudy | 6 mph SW | 4% |
| Wednesday | 77°F | Mostly Sunny | 6 to 10 mph SW | 5% |
| Wednesday Night | 56°F | Partly Cloudy | 8 mph SW | 3% |
| Thursday | 75°F | Mostly Cloudy | 7 to 12 mph SW | 14% |
| Thursday Night | 62°F | Mostly Cloudy then Chance Light Rain | 8 mph SW | 53% |
| Friday | 70°F | Rain | 6 mph S | 84% |
| Friday Night | 57°F | Rain | 6 mph S | 84% |
| Saturday | 65°F | Light Rain | 8 mph NW | 75% |
| Saturday Night | 45°F | Chance Light Rain | 7 mph NW | 49% |
| Sunday | 60°F | Chance Light Rain | 8 mph W | 25% |
| Sunday Night | 40°F | Partly Cloudy | 6 mph W | 10% |
| Monday | 58°F | Slight Chance Light Rain | 7 to 12 mph W | 20% |
| Monday Night | 39°F | Slight Chance Light Rain | 8 mph W | 20% |
| Tuesday | 59°F | Mostly Sunny | 9 to 13 mph SW | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arlington, MA
Last spring frost
Apr 25
First fall frost
Oct 17
Growing season
174 days
Hardiness zone
6b
Explore more for Arlington, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Reading, Ma (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.