Leominster, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leominster, a city in Worcester County, Massachusetts.
This Afternoon
65°F
Mostly Sunny
Mostly sunny, with a high near 65. East wind around 2 mph.
7-day forecast for Leominster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Mostly Sunny | 2 mph E | 0% |
| Tonight | 47°F | Partly Cloudy | 1 to 5 mph S | 2% |
| Sunday | 58°F | Rain Showers | 1 to 6 mph SE | 100% |
| Sunday Night | 51°F | Rain Showers | 5 to 8 mph NE | 97% |
| Monday | 66°F | Patchy Fog then Partly Sunny | 8 mph N | 9% |
| Monday Night | 45°F | Mostly Cloudy | 6 mph N | 1% |
| Tuesday | 61°F | Partly Sunny | 8 mph NE | 2% |
| Tuesday Night | 44°F | Partly Cloudy | 3 to 9 mph NE | 1% |
| Wednesday | 62°F | Mostly Sunny | 9 to 13 mph NE | 1% |
| Wednesday Night | 44°F | Mostly Cloudy | 6 to 10 mph NE | 13% |
| Thursday | 61°F | Slight Chance Rain Showers | 13 mph NE | 22% |
| Thursday Night | 46°F | Chance Rain Showers | 8 to 15 mph NE | 34% |
| Friday | 62°F | Chance Rain Showers | 12 to 15 mph NE | 41% |
| Friday Night | 48°F | Chance Rain Showers | 13 to 16 mph N | 41% |
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
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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.