Slatington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Slatington, a borough in Lehigh County, Pennsylvania.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind around 0 mph.
7-day forecast for Slatington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 63°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 62% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 60% |
| Thursday | 88°F | Showers And Thunderstorms | 0 to 5 mph SW | 81% |
| Thursday Night | 71°F | Showers And Thunderstorms | 0 to 5 mph SW | 81% |
| Friday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 70% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph W | 70% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 54% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 54% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 69°F | Mostly Clear | 0 to 5 mph W | 12% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 19% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov) for Slatington (40.754, -75.611). Updated through the day.
Growing snapshot for Slatington
Last spring frost
Apr 21
First fall frost
Oct 23
Growing season
184 days
Hardiness zone
6b
More local growing data for Slatington: nearby ZIP 18080 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Lehighton 1Ssw, Pa (7 mi from Slatington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.