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Leominster, MA Weather & Growing Conditions

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

Overnight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. North wind around 6 mph.

7-day forecast for Leominster

WhenTempForecastWindPrecip
Overnight 46°F Partly Cloudy 6 mph N 0%
Saturday 65°F Mostly Sunny 3 mph NE 0%
Saturday Night 44°F Partly Cloudy 3 mph S 0%
Sunday 61°F Slight Chance Rain Showers 2 to 6 mph SE 86%
Sunday Night 51°F Rain Showers 3 to 8 mph NE 82%
Monday 64°F Slight Chance Rain Showers then Partly Sunny 6 to 9 mph N 19%
Monday Night 47°F Partly Cloudy 3 to 8 mph NE 5%
Tuesday 59°F Partly Sunny 9 mph NE 5%
Tuesday Night 45°F Mostly Cloudy 5 to 9 mph NE 3%
Wednesday 59°F Partly Sunny 13 mph NE 6%
Wednesday Night 45°F Mostly Cloudy then Slight Chance Rain Showers 7 to 10 mph NE 20%
Thursday 58°F Chance Rain Showers 12 mph NE 28%
Thursday Night 48°F Chance Rain Showers 7 to 10 mph NE 32%
Friday 63°F Chance Rain Showers 10 mph N 33%

Forecast source: National Weather Service (api.weather.gov) for Leominster (42.521, -71.771). Updated through the day.

Growing snapshot for Leominster

Last spring frost
Apr 29
First fall frost
Oct 11
Growing season
164 days
Hardiness zone
6a

More local growing data for Leominster: nearby ZIP 01453 weather · frost dates · planting calendar · Massachusetts frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Fitchburg Muni Ap, Ma (2.2 mi from Leominster). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.