Catasauqua, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Catasauqua, a borough in Lehigh County, Pennsylvania.
Tonight
56°F
Mostly Cloudy then Rain Showers Likely
Rain showers likely after midnight. Mostly cloudy, with a low around 56. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Catasauqua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Cloudy then Rain Showers Likely | 5 to 10 mph E | 70% |
| Sunday | 73°F | Rain Showers | 10 mph SE | 97% |
| Sunday Night | 55°F | Showers And Thunderstorms then Mostly Cloudy | 10 mph W | 91% |
| Monday | 70°F | Partly Sunny then Slight Chance Rain Showers | 10 mph NE | 22% |
| Monday Night | 48°F | Chance Rain Showers | 10 mph NE | 33% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Tuesday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 34% |
| Wednesday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Wednesday Night | 47°F | Slight Chance Rain Showers | 10 mph NE | 20% |
| Thursday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 25% |
| Thursday Night | 47°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Friday | 66°F | Chance Rain Showers | 10 mph N | 30% |
| Friday Night | 48°F | Chance Rain Showers | 5 to 10 mph N | 30% |
| Saturday | 70°F | Chance Rain Showers | 10 mph N | 27% |
Forecast source: National Weather Service (api.weather.gov) for Catasauqua (40.654, -75.461). Updated through the day.
Growing snapshot for Catasauqua
Last spring frost
Apr 20
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
7a
More local growing data for Catasauqua: nearby ZIP 18032 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Alburtis
Allentown
Ancient Oaks
Bethlehem
Breinigsville
Cementon
Cetronia
Coopersburg
Coplay
DeSales University
Dorneyville
Egypt
Emmaus
Fountain Hill
Fullerton
Hokendauqua
Laurys Station
Macungie
New Tripoli
North Catasauqua
Schnecksville
Slatedale
Slatington
Stiles
Trexlertown
Wescosville
Climate data from the nearest NOAA station, Allentown Intl Ap, Pa (1 mi from Catasauqua). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.