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
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 70 in the afternoon. Southwest wind around 10 mph.
7-day forecast for Watertown Town
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 10 mph SW | 3% |
| Tonight | 59°F | Partly Cloudy | 8 mph SW | 3% |
| Thursday | 75°F | Partly Sunny | 7 to 13 mph SW | 14% |
| Thursday Night | 63°F | Chance Light Rain | 5 to 9 mph SW | 63% |
| Friday | 72°F | Light Rain Likely | 6 mph S | 64% |
| Friday Night | 56°F | Light Rain | 3 mph SW | 77% |
| Saturday | 65°F | Chance Light Rain | 6 mph N | 52% |
| Saturday Night | 46°F | Chance Light Rain | 5 to 8 mph N | 38% |
| Sunday | 59°F | Chance Light Rain | 8 to 12 mph W | 34% |
| Sunday Night | 41°F | Partly Cloudy | 8 mph W | 6% |
| Monday | 57°F | Sunny | 8 to 13 mph W | 8% |
| Monday Night | 38°F | Mostly Clear | 8 mph W | 6% |
| Tuesday | 60°F | Sunny | 8 to 12 mph W | 2% |
| Tuesday Night | 39°F | Mostly Clear | 7 mph W | 2% |
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
Nearby towns & communities
Arlington
Ayer
Belmont
Burlington
Cochituate
East Pepperell
Everett
Framingham
Groton
Hanscom AFB
Hopkinton
Hudson
Lexington
Littleton Common
Lowell
Malden
Marlborough
Maynard
Medford
Melrose
Newton
Pepperell
Pinehurst
Reading
Shirley
Somerville
Stoneham
Townsend
Wakefield
Waltham
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 4, 2026.