Lebanon, NH Weather & Growing Conditions
Today
63°F
Sunny
Sunny, with a high near 63. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Sunny | 0 to 5 mph N | 0% |
| Tonight | 44°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Sunday | 54°F | Rain Showers Likely then Rain | 5 mph SE | 98% |
| Sunday Night | 44°F | Rain then Chance Rain Showers | 0 to 5 mph NE | 85% |
| Monday | 60°F | Partly Sunny | 5 mph N | 1% |
| Monday Night | 40°F | Mostly Cloudy | 5 mph N | 0% |
| Tuesday | 60°F | Partly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Wednesday | 61°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Wednesday Night | 40°F | Mostly Cloudy | 0 to 5 mph E | 8% |
| Thursday | 60°F | Chance Rain Showers | 0 to 5 mph NE | 29% |
| Thursday Night | 42°F | Chance Rain Showers | 0 to 5 mph NE | 29% |
| Friday | 62°F | Chance Rain Showers | 5 mph N | 30% |
| Friday Night | 44°F | Chance Rain Showers | 5 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, NH
Last spring frost
May 8
First fall frost
Oct 6
Growing season
150 days
Hardiness zone
5a
Explore more for Lebanon, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, N Hartland Lake, Vt (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.