Trexlertown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trexlertown, a community in Lehigh County, Pennsylvania.
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. South wind 0 to 10 mph.
7-day forecast for Trexlertown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 0 to 10 mph S | 2% |
| Tonight | 57°F | Mostly Cloudy | 5 mph S | 11% |
| Thursday | 71°F | Light Rain | 5 to 10 mph S | 75% |
| Thursday Night | 59°F | Light Rain | 0 to 5 mph SW | 80% |
| Friday | 69°F | Light Rain Likely | 0 mph | 55% |
| Friday Night | 47°F | Chance Light Rain then Partly Cloudy | 0 mph | 37% |
| Saturday | 63°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Saturday Night | 39°F | Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph NW | 4% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 4% |
| Monday | 58°F | Sunny | 5 to 15 mph W | 6% |
| Monday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Tuesday | 62°F | Sunny | 5 to 15 mph W | 3% |
| Tuesday Night | 35°F | Mostly Clear | 5 to 10 mph W | 0% |
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 Nov 4, 2026.