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Lynn, MA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lynn, a city in Essex County, Massachusetts.

This Afternoon
70°F
Mostly Cloudy
Mostly cloudy. High near 70, with temperatures falling to around 64 in the afternoon. South wind around 6 mph.

7-day forecast for Lynn

WhenTempForecastWindPrecip
This Afternoon 70°F Mostly Cloudy 6 mph S 3%
Tonight 53°F Mostly Cloudy 7 mph SW 4%
Wednesday 75°F Mostly Sunny 7 to 12 mph SW 5%
Wednesday Night 57°F Partly Cloudy 9 mph SW 3%
Thursday 74°F Mostly Cloudy 8 to 13 mph SW 13%
Thursday Night 61°F Mostly Cloudy then Chance Light Rain 7 to 10 mph SW 52%
Friday 69°F Rain 7 mph S 84%
Friday Night 56°F Rain 7 mph S 84%
Saturday 63°F Light Rain 9 mph NW 76%
Saturday Night 45°F Chance Light Rain 8 mph NW 50%
Sunday 59°F Chance Light Rain 6 to 10 mph W 26%
Sunday Night 41°F Partly Cloudy 8 mph W 11%
Monday 57°F Slight Chance Light Rain 8 to 13 mph W 20%
Monday Night 40°F Slight Chance Light Rain 10 mph W 21%

Forecast source: National Weather Service (api.weather.gov) for Lynn (42.475, -70.962). Updated through the day.

Growing snapshot for Lynn

Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
176 days
Hardiness zone
7a

More local growing data for Lynn: nearby ZIP 01905 weather · frost dates · planting calendar · Massachusetts frost dates

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Climate data from the nearest NOAA station, Marblehead, Ma (6.1 mi from Lynn). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.