Macungie, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Macungie, a borough in Lehigh County, Pennsylvania.
Overnight
48°F
Patchy Fog
Patchy fog after 4am. Mostly clear, with a low around 48. South wind 0 to 5 mph.
7-day forecast for Macungie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Patchy Fog | 0 to 5 mph S | 2% |
| Wednesday | 73°F | Patchy Fog then Sunny | 0 to 10 mph SW | 6% |
| Wednesday Night | 58°F | Mostly Cloudy | 5 mph S | 14% |
| Thursday | 71°F | Light Rain Likely | 5 to 10 mph S | 71% |
| Thursday Night | 60°F | Light Rain Likely | 0 to 5 mph SW | 65% |
| Friday | 69°F | Light Rain Likely | 0 to 5 mph W | 65% |
| Friday Night | 50°F | Light Rain Likely | 0 to 5 mph NW | 60% |
| Saturday | 64°F | Slight Chance Light Rain | 5 to 10 mph NW | 21% |
| Saturday Night | 39°F | Slight Chance Light Rain then Partly Cloudy | 5 to 10 mph NW | 16% |
| Sunday | 60°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 37°F | Partly Cloudy then Slight Chance Light Rain | 5 mph W | 19% |
| Monday | 59°F | Chance Light Rain | 5 to 15 mph NW | 25% |
| Monday Night | 36°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
| Tuesday | 61°F | Slight Chance Light Rain then Mostly Sunny | 5 to 15 mph W | 16% |
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.