Lebanon, NH Weather & Growing Conditions
Overnight
42°F
Partly Cloudy
Partly cloudy, with a low around 42. East wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 66°F | Patchy Fog then Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 43°F | Mostly Cloudy | 0 to 5 mph SE | 0% |
| Sunday | 61°F | Rain Showers | 0 to 5 mph SE | 90% |
| Sunday Night | 48°F | Rain Showers then Mostly Cloudy | 0 mph | 81% |
| Monday | 65°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Monday Night | 42°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Tuesday | 64°F | Partly Sunny | 0 to 5 mph NE | 1% |
| Tuesday Night | 41°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 63°F | Mostly Sunny | 0 to 5 mph E | 3% |
| Wednesday Night | 42°F | Mostly Cloudy | 0 to 5 mph E | 10% |
| Thursday | 61°F | Slight Chance Rain Showers | 0 to 5 mph E | 21% |
| Thursday Night | 45°F | Chance Rain Showers | 0 to 5 mph NE | 29% |
| Friday | 67°F | Chance Rain Showers | 0 to 5 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, NH
Last spring frost
May 9
First fall frost
Oct 6
Growing season
148 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, Lebanon Muni Ap, Nh (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.