Lancaster, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lancaster, a community in Coos County, New Hampshire.
Tonight
35°F
Mostly Clear then Areas Of Frost
Areas of frost after 2am. Mostly clear, with a low around 35. Northeast wind around 1 mph.
7-day forecast for Lancaster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Mostly Clear then Areas Of Frost | 1 mph NE | 0% |
| Saturday | 63°F | Areas Of Frost then Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 37°F | Mostly Cloudy | 0 to 3 mph NE | 0% |
| Sunday | 61°F | Rain Showers Likely | 0 to 3 mph S | 73% |
| Sunday Night | 39°F | Rain Showers Likely then Mostly Cloudy | 1 mph N | 65% |
| Monday | 62°F | Partly Sunny | 1 to 5 mph N | 1% |
| Monday Night | 35°F | Mostly Cloudy | 0 to 3 mph N | 1% |
| Tuesday | 64°F | Partly Sunny | 2 mph NE | 1% |
| Tuesday Night | 35°F | Partly Cloudy | 2 mph NE | 1% |
| Wednesday | 65°F | Mostly Sunny | 2 mph E | 1% |
| Wednesday Night | 36°F | Partly Cloudy | 2 mph E | 8% |
| Thursday | 65°F | Partly Sunny then Slight Chance Rain Showers | 2 mph E | 20% |
| Thursday Night | 39°F | Chance Rain Showers | 2 mph NE | 25% |
| Friday | 66°F | Slight Chance Rain Showers | 3 mph N | 24% |
Forecast source: National Weather Service (api.weather.gov) for Lancaster (44.489, -71.574). Updated through the day.
Growing snapshot for Lancaster
Last spring frost
May 18
First fall frost
Sep 30
Growing season
132 days
Hardiness zone
4b
More local growing data for Lancaster: nearby ZIP 03584 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lancaster, Nh (1.5 mi from Lancaster). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.