Lynnfield, MA Weather & Growing Conditions
Today
64°F
Mostly Sunny
Mostly sunny, with a high near 64. Northeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Mostly Sunny | 6 mph NE | 0% |
| Tonight | 47°F | Partly Cloudy | 1 to 6 mph S | 0% |
| Sunday | 63°F | Mostly Cloudy then Rain Showers | 1 to 7 mph SE | 82% |
| Sunday Night | 51°F | Rain Showers | 5 to 9 mph NE | 82% |
| Monday | 65°F | Partly Sunny | 7 to 10 mph NE | 17% |
| Monday Night | 48°F | Mostly Cloudy | 3 to 8 mph NE | 0% |
| Tuesday | 61°F | Partly Sunny | 8 to 12 mph NE | 1% |
| Tuesday Night | 48°F | Mostly Cloudy | 5 to 9 mph NE | 1% |
| Wednesday | 62°F | Partly Sunny | 10 to 16 mph NE | 2% |
| Wednesday Night | 48°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 12 mph NE | 18% |
| Thursday | 61°F | Chance Rain Showers | 12 to 17 mph NE | 32% |
| Thursday Night | 48°F | Chance Rain Showers | 12 to 16 mph NE | 34% |
| Friday | 62°F | Chance Rain Showers | 16 mph NE | 34% |
| Friday Night | 49°F | Chance Rain Showers | 13 to 16 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lynnfield, MA
Last spring frost
May 3
First fall frost
Oct 9
Growing season
157 days
Hardiness zone
6b
Explore more for Lynnfield, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Middleton, Ma (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.