Lynn, MA Weather & Growing Conditions
Today
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 68 in the afternoon. Southwest wind 10 to 14 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Sunny | 10 to 14 mph SW | 3% |
| Tonight | 58°F | Partly Cloudy | 9 mph SW | 2% |
| Thursday | 73°F | Mostly Cloudy | 8 to 14 mph SW | 6% |
| Thursday Night | 61°F | Mostly Cloudy then Chance Light Rain | 7 to 12 mph SW | 42% |
| Friday | 69°F | Light Rain | 7 mph S | 92% |
| Friday Night | 56°F | Light Rain | 6 mph S | 96% |
| Saturday | 63°F | Light Rain Likely | 8 mph N | 70% |
| Saturday Night | 48°F | Chance Light Rain | 7 to 10 mph NW | 27% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 8 to 12 mph W | 22% |
| Sunday Night | 42°F | Partly Cloudy | 9 mph W | 7% |
| Monday | 56°F | Mostly Sunny then Slight Chance Light Rain | 9 to 14 mph W | 19% |
| Monday Night | 40°F | Slight Chance Light Rain then Partly Cloudy | 10 mph W | 16% |
| Tuesday | 57°F | Mostly Sunny | 10 to 14 mph SW | 7% |
| Tuesday Night | 41°F | Partly Cloudy | 12 mph W | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lynn, MA
Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
176 days
Hardiness zone
7a
Explore more for Lynn, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Marblehead, Ma (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.