Wellesley, MA Weather & Growing Conditions
This Afternoon
68°F
Mostly Sunny
Mostly sunny, with a high near 68. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 43°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Sunday | 62°F | Rain Showers | 1 to 7 mph SE | 100% |
| Sunday Night | 53°F | Rain Showers | 3 to 9 mph NE | 100% |
| Monday | 67°F | Slight Chance Rain Showers then Partly Sunny | 8 mph NE | 18% |
| Monday Night | 48°F | Mostly Cloudy | 2 to 6 mph NE | 2% |
| Tuesday | 61°F | Mostly Cloudy | 6 to 9 mph NE | 2% |
| Tuesday Night | 47°F | Mostly Cloudy | 3 to 7 mph NE | 2% |
| Wednesday | 62°F | Partly Sunny | 8 to 13 mph NE | 3% |
| Wednesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 10 mph NE | 20% |
| Thursday | 61°F | Chance Rain Showers | 9 to 13 mph NE | 33% |
| Thursday Night | 48°F | Chance Rain Showers | 9 to 13 mph NE | 35% |
| Friday | 62°F | Chance Rain Showers | 13 mph N | 35% |
| Friday Night | 48°F | Chance Rain Showers | 13 mph NE | 38% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wellesley, MA
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
169 days
Hardiness zone
6b
Explore more for Wellesley, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Natick, Ma (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.