Lebanon, NH Weather & Growing Conditions
Overnight
56°F
Areas Of Fog
Areas of fog. Mostly cloudy, with a low around 56. East wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Areas Of Fog | 0 mph | 0% |
| Tuesday | 84°F | Areas Of Fog then Sunny | 0 to 5 mph SW | 0% |
| Tuesday Night | 57°F | Mostly Clear then Areas Of Fog | 0 to 5 mph SW | 0% |
| Wednesday | 87°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 5 mph S | 8% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 41% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 36% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 27% |
| Friday Night | 66°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Saturday | 87°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 49% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 42% |
| Sunday | 89°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 65°F | Mostly Clear | 0 to 5 mph SW | 13% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 32% |
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 Aug 4, 2026.