Ayer, MA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ayer, a community in Middlesex County, Massachusetts.

Today

84°F

Sunny

Sunny, with a high near 84. West wind around 6 mph.

7-day forecast for Ayer

When	Temp	Forecast	Wind	Precip
Today	84°F	Sunny	6 mph W	0%
Tonight	59°F	Partly Cloudy	1 to 5 mph SW	0%
Wednesday	84°F	Mostly Sunny	0 to 6 mph W	1%
Wednesday Night	64°F	Partly Cloudy	5 mph SW	8%
Thursday	87°F	Mostly Sunny then Chance Rain Showers	2 to 7 mph SW	25%
Thursday Night	70°F	Chance Rain Showers	2 to 6 mph SW	32%
Friday	89°F	Mostly Sunny then Slight Chance Rain Showers	2 to 7 mph SW	19%
Friday Night	68°F	Chance Rain Showers then Partly Cloudy	2 to 6 mph W	25%
Saturday	87°F	Mostly Sunny then Chance Rain Showers	2 to 6 mph W	30%
Saturday Night	68°F	Chance Rain Showers then Mostly Cloudy	1 to 5 mph W	41%
Sunday	88°F	Sunny	1 to 7 mph W	10%
Sunday Night	68°F	Mostly Clear	2 to 7 mph SW	12%
Monday	89°F	Sunny	2 to 9 mph W	8%
Monday Night	67°F	Mostly Clear	5 to 8 mph W	10%

Forecast source: National Weather Service (api.weather.gov) for Ayer (42.562, -71.585). Updated through the day.

Growing snapshot for Ayer

Last spring frost

Apr 29

First fall frost

Oct 11

Growing season

164 days

Hardiness zone

More local growing data for Ayer: nearby ZIP 01432 weather · frost dates · planting calendar · Massachusetts frost dates

Nearby towns & communities

Arlington Belmont Burlington Cochituate East Pepperell Everett Framingham Groton Hanscom AFB Hopkinton Hudson Lexington Littleton Common Lowell Malden Marlborough Maynard Medford Melrose Newton Pepperell Pinehurst Reading Shirley Somerville Stoneham Townsend Wakefield Waltham Watertown Town

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Climate data from the nearest NOAA station, Fitchburg Muni Ap, Ma (9.3 mi from Ayer). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.