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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

WhenTempForecastWindPrecip
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

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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.