Macungie, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Macungie, a borough in Lehigh County, Pennsylvania.
This Afternoon
81°F
Mostly Sunny
Mostly sunny, with a high near 81. North wind around 10 mph.
7-day forecast for Macungie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 10 mph N | 0% |
| Tonight | 53°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 72°F | Mostly Sunny | 5 mph E | 1% |
| Saturday Night | 59°F | Slight Chance Rain Showers then Patchy Fog | 5 mph SE | 48% |
| Sunday | 71°F | Rain Showers | 5 to 10 mph S | 91% |
| Sunday Night | 58°F | Patchy Fog | 5 to 10 mph W | 91% |
| Monday | 66°F | Chance Rain Showers | 10 mph NE | 35% |
| Monday Night | 53°F | Chance Rain Showers | 5 to 15 mph NE | 31% |
| Tuesday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Tuesday Night | 49°F | Chance Rain Showers | 15 mph NE | 36% |
| Wednesday | 61°F | Chance Rain Showers | 15 mph NE | 33% |
| Wednesday Night | 49°F | Chance Showers And Thunderstorms | 15 mph NE | 38% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 35% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 33% |
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 Sep 18, 2026.