Sanbornville, NH Weather & Growing Conditions
Today
65°F
Sunny
Sunny, with a high near 65. Northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Sunny | 0 to 5 mph NW | 0% |
| Tonight | 43°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 57°F | Mostly Cloudy then Rain | 0 to 5 mph SE | 80% |
| Sunday Night | 44°F | Rain Likely then Rain Showers Likely | 0 to 5 mph NE | 73% |
| Monday | 65°F | Mostly Sunny | 5 to 10 mph N | 3% |
| Monday Night | 42°F | Mostly Cloudy | 5 mph N | 0% |
| Tuesday | 61°F | Partly Sunny | 5 mph NE | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Wednesday | 61°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Wednesday Night | 41°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Thursday | 60°F | Chance Rain Showers | 5 to 10 mph NE | 29% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 15 mph NE | 33% |
| Friday | 62°F | Chance Rain Showers | 10 to 15 mph N | 33% |
| Friday Night | 45°F | Chance Rain Showers | 10 to 15 mph NE | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sanbornville, NH
Last spring frost
May 16
First fall frost
Sep 30
Growing season
136 days
Hardiness zone
5b
Explore more for Sanbornville, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Sanford 2 Nnw, Me (15.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.