Lebanon, NH Weather & Growing Conditions
Today
83°F
Areas Of Fog then Sunny
Areas of fog before 8am. Sunny, with a high near 83. West wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Areas Of Fog then Sunny | 0 to 5 mph W | 0% |
| Tonight | 58°F | Mostly Clear then Areas Of Fog | 0 to 5 mph S | 0% |
| Wednesday | 86°F | Areas Of Fog then Partly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 0 to 5 mph S | 8% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 34% |
| Friday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 28% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 26% |
| Saturday | 86°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 | 87°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph SW | 12% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 33% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 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 (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.