Trexlertown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trexlertown, a community in Lehigh County, Pennsylvania.
Overnight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. Northeast wind around 5 mph.
7-day forecast for Trexlertown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Partly Cloudy | 5 mph NE | 0% |
| Saturday | 73°F | Mostly Sunny | 5 mph E | 1% |
| Saturday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 5 mph SE | 30% |
| Sunday | 71°F | Rain Showers | 5 to 10 mph S | 89% |
| Sunday Night | 55°F | Showers And Thunderstorms | 5 mph W | 97% |
| Monday | 68°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Monday Night | 48°F | Chance Rain Showers | 5 to 10 mph NE | 32% |
| Tuesday | 62°F | Chance Rain Showers | 10 mph NE | 34% |
| Tuesday Night | 47°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Wednesday | 62°F | Chance Rain Showers | 15 mph NE | 27% |
| Wednesday Night | 47°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Thursday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Thursday Night | 47°F | Chance Rain Showers | 5 to 15 mph NE | 32% |
| Friday | 66°F | Slight Chance Rain Showers | 10 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov) for Trexlertown (40.557, -75.594). Updated through the day.
Growing snapshot for Trexlertown
Last spring frost
Apr 26
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
7a
More local growing data for Trexlertown: nearby ZIP 18087 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Rodale Rsch Ctr, Pa (6.8 mi from Trexlertown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.