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Macungie, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Macungie, a borough in Lehigh County, Pennsylvania.

Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. South wind 5 to 10 mph.

7-day forecast for Macungie

WhenTempForecastWindPrecip
Today 73°F Mostly Sunny 5 to 10 mph S 2%
Tonight 57°F Mostly Cloudy then Patchy Fog 5 mph S 8%
Thursday 71°F Light Rain Likely 5 to 10 mph S 70%
Thursday Night 59°F Light Rain 0 to 5 mph SW 81%
Friday 69°F Light Rain Likely 0 mph 59%
Friday Night 48°F Chance Light Rain then Partly Cloudy 0 mph 40%
Saturday 63°F Mostly Sunny then Slight Chance Light Rain 5 to 10 mph W 17%
Saturday Night 40°F Slight Chance Light Rain 5 to 10 mph W 17%
Sunday 59°F Mostly Sunny 5 to 10 mph NW 4%
Sunday Night 37°F Mostly Clear 5 mph W 5%
Monday 58°F Sunny 5 to 15 mph W 6%
Monday Night 35°F Mostly Clear 5 to 10 mph W 4%
Tuesday 62°F Sunny 5 to 15 mph W 4%
Tuesday Night 36°F Mostly Clear 5 to 10 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Macungie (40.516, -75.554). Updated through the day.

Growing snapshot for Macungie

Last spring frost
Apr 26
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
7a

More local growing data for Macungie: nearby ZIP 18062 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Rodale Rsch Ctr, Pa (8.1 mi from Macungie). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.