Lancaster, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lancaster, a community in Coos County, New Hampshire.
Today
81°F
Sunny
Sunny, with a high near 81. West wind 2 to 9 mph.
7-day forecast for Lancaster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 2 to 9 mph W | 0% |
| Tonight | 55°F | Mostly Clear | 1 to 5 mph NE | 1% |
| Wednesday | 86°F | Mostly Sunny | 1 to 5 mph SW | 0% |
| Wednesday Night | 62°F | Partly Cloudy | 0 to 3 mph SW | 4% |
| Thursday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 mph NW | 30% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 mph NW | 29% |
| Friday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph W | 57% |
| Friday Night | 63°F | Chance Showers And Thunderstorms | 1 mph NW | 53% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 1 mph W | 50% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 1 mph NW | 45% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 3 mph W | 18% |
| Sunday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 25% |
| Monday | 84°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 52% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 1 to 5 mph W | 50% |
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 Aug 4, 2026.