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
73°F
Partly Sunny
Partly sunny. High near 73, with temperatures falling to around 65 in the afternoon. Southwest wind around 6 mph.
7-day forecast for Watertown Town
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Partly Sunny | 6 mph SW | 2% |
| Tonight | 52°F | Mostly Cloudy | 5 mph SW | 4% |
| Wednesday | 77°F | Mostly Sunny | 5 to 10 mph SW | 5% |
| Wednesday Night | 55°F | Partly Cloudy | 8 mph SW | 3% |
| Thursday | 75°F | Mostly Cloudy | 6 to 12 mph SW | 14% |
| Thursday Night | 63°F | Mostly Cloudy then Chance Light Rain | 5 to 8 mph SW | 54% |
| Friday | 70°F | Rain | 6 mph S | 84% |
| Friday Night | 57°F | Rain | 6 mph S | 84% |
| Saturday | 64°F | Light Rain | 8 mph NW | 75% |
| Saturday Night | 45°F | Chance Light Rain | 6 mph NW | 48% |
| Sunday | 60°F | Chance Light Rain then Mostly Sunny | 5 to 9 mph W | 25% |
| Sunday Night | 40°F | Partly Cloudy | 5 mph W | 10% |
| Monday | 58°F | Slight Chance Light Rain | 6 to 12 mph W | 20% |
| Monday Night | 38°F | Slight Chance Light Rain | 8 mph W | 20% |
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 Nov 3, 2026.