New Berlin, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Berlin, a borough in Union County, Pennsylvania.
Today
83°F
Areas Of Fog then Sunny
Areas of fog before 9am. Sunny, with a high near 83. East wind around 1 mph.
7-day forecast for New Berlin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Areas Of Fog then Sunny | 1 mph E | 0% |
| Tonight | 63°F | Mostly Cloudy | 1 mph E | 3% |
| Wednesday | 82°F | Slight Chance Rain Showers then Partly Sunny | 0 to 3 mph E | 18% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 2 mph SE | 53% |
| Thursday | 87°F | Patchy Fog then Showers And Thunderstorms | 0 to 5 mph S | 80% |
| Thursday Night | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 80% |
| Friday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 74% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 74% |
| Saturday | 85°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 46% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 2 mph W | 46% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 11% |
| Sunday Night | 69°F | Partly Cloudy | 3 mph SW | 11% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph W | 23% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov) for New Berlin (40.882, -76.981). Updated through the day.
Growing snapshot for New Berlin
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
176 days
Hardiness zone
6b
More local growing data for New Berlin: nearby ZIP 17855 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lewisburg, Pa (6.1 mi from New Berlin). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.