New Lebanon, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Lebanon, a borough in Mercer County, Pennsylvania.
Today
74°F
Partly Sunny then Chance Light Rain
A chance of rain after 1pm. Partly sunny. High near 74, with temperatures falling to around 68 in the afternoon. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny then Chance Light Rain | 10 to 15 mph S | 32% |
| Tonight | 57°F | Light Rain Likely | 10 to 14 mph S | 72% |
| Thursday | 65°F | Slight Chance Light Rain then Mostly Sunny | 8 to 15 mph SW | 21% |
| Thursday Night | 46°F | Mostly Cloudy | 7 mph SW | 4% |
| Friday | 58°F | Light Rain Likely | 6 to 9 mph SW | 65% |
| Friday Night | 37°F | Light Rain Likely | 5 to 8 mph W | 65% |
| Saturday | 50°F | Light Rain Likely | 9 to 14 mph W | 64% |
| Saturday Night | 34°F | Chance Light Rain | 9 mph W | 45% |
| Sunday | 53°F | Mostly Sunny | 8 to 14 mph W | 8% |
| Sunday Night | 34°F | Slight Chance Light Rain | 8 mph W | 20% |
| Monday | 56°F | Slight Chance Light Rain then Mostly Sunny | 8 to 14 mph W | 17% |
| Monday Night | 35°F | Partly Cloudy | 6 to 10 mph SW | 5% |
| Tuesday | 60°F | Mostly Sunny | 8 to 14 mph SW | 4% |
| Tuesday Night | 34°F | Partly Cloudy | 6 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for New Lebanon (41.420, -80.080). Updated through the day.
Growing snapshot for New Lebanon
Last spring frost
May 2
First fall frost
Oct 23
Growing season
171 days
Hardiness zone
6a
More local growing data for New Lebanon: nearby ZIP 16145 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Clark
Farrell
Fredonia
Greenville
Grove City
Hermitage
Jackson Center
Lake Latonka
Mercer
Reynolds Heights
Sandy Lake
Sharon
Sharpsville
Sheakleyville
Stoneboro
West Middlesex
Wheatland
Climate data from the nearest NOAA station, Franklin, Pa (12.9 mi from New Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.