Lynnfield, MA Weather & Growing Conditions
Today
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 70 in the afternoon. Southwest wind 6 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 6 to 10 mph SW | 3% |
| Tonight | 57°F | Partly Cloudy | 8 mph SW | 2% |
| Thursday | 75°F | Mostly Cloudy | 7 to 12 mph SW | 8% |
| Thursday Night | 61°F | Mostly Cloudy then Chance Light Rain | 5 to 9 mph SW | 40% |
| Friday | 70°F | Light Rain | 5 mph S | 90% |
| Friday Night | 56°F | Light Rain | 5 mph S | 96% |
| Saturday | 64°F | Light Rain Likely | 7 mph N | 70% |
| Saturday Night | 45°F | Chance Light Rain | 5 to 8 mph NW | 28% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 9 mph W | 23% |
| Sunday Night | 39°F | Partly Cloudy | 6 mph W | 7% |
| Monday | 56°F | Mostly Sunny then Slight Chance Light Rain | 7 to 12 mph W | 18% |
| Monday Night | 37°F | Slight Chance Light Rain then Partly Cloudy | 8 mph W | 15% |
| Tuesday | 58°F | Mostly Sunny | 8 to 12 mph SW | 8% |
| Tuesday Night | 37°F | Partly Cloudy | 9 mph W | 7% |
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 Nov 4, 2026.