New Buffalo, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Buffalo, a borough in Perry County, Pennsylvania.
Today
84°F
Sunny
Sunny, with a high near 84. Northeast wind around 2 mph.
7-day forecast for New Buffalo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 2 mph NE | 0% |
| Tonight | 65°F | Mostly Cloudy then Patchy Fog | 2 mph E | 7% |
| Wednesday | 82°F | Patchy Fog then Chance Showers And Thunderstorms | 3 mph E | 30% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 0 to 3 mph SE | 60% |
| Thursday | 88°F | Patchy Fog then Showers And Thunderstorms Likely | 1 to 5 mph S | 70% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 3 mph S | 70% |
| Friday | 87°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 3 mph SW | 69% |
| Friday Night | 68°F | Showers And Thunderstorms Likely | 2 mph W | 69% |
| Saturday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 48% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 48% |
| Sunday | 87°F | Mostly Sunny | 0 to 3 mph W | 11% |
| Sunday Night | 70°F | Partly Cloudy | 3 mph SW | 11% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph W | 21% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 21% |
Forecast source: National Weather Service (api.weather.gov) for New Buffalo (40.454, -76.970). Updated through the day.
Growing snapshot for New Buffalo
Last spring frost
May 1
First fall frost
Oct 16
Growing season
168 days
Hardiness zone
7a
More local growing data for New Buffalo: nearby ZIP 17069 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dehart Dam, Pa (12.2 mi from New Buffalo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.