Watertown Town, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Watertown Town, a city in Middlesex County, Massachusetts.
This Afternoon
81°F
Sunny
Sunny, with a high near 81. Northwest wind around 9 mph, with gusts as high as 22 mph.
7-day forecast for Watertown Town
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Sunny | 9 mph NW | 0% |
| Tonight | 49°F | Partly Cloudy | 5 to 9 mph N | 0% |
| Saturday | 64°F | Sunny | 6 mph NE | 0% |
| Saturday Night | 46°F | Partly Cloudy | 1 to 6 mph SE | 1% |
| Sunday | 65°F | Rain Showers Likely | 1 to 6 mph SE | 73% |
| Sunday Night | 56°F | Rain Showers | 3 to 8 mph NE | 84% |
| Monday | 65°F | Chance Rain Showers then Partly Sunny | 7 to 10 mph NE | 34% |
| Monday Night | 52°F | Partly Cloudy | 3 to 9 mph NE | 7% |
| Tuesday | 61°F | Partly Sunny | 12 mph NE | 6% |
| Tuesday Night | 51°F | Mostly Cloudy | 6 to 10 mph NE | 3% |
| Wednesday | 61°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 | 60°F | Chance Rain Showers | 14 mph NE | 29% |
| Thursday Night | 51°F | Chance Rain Showers | 8 to 13 mph NE | 38% |
Forecast source: National Weather Service (api.weather.gov) for Watertown Town (42.369, -71.178). Updated through the day.
Growing snapshot for Watertown Town
Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
185 days
Hardiness zone
6b
More local growing data for Watertown Town: nearby ZIP 02472 weather · frost dates · planting calendar · Massachusetts frost dates
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Climate data from the nearest NOAA station, Jamaica Plain, Ma (5.3 mi from Watertown Town). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.