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