Trexlertown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trexlertown, a community in Lehigh County, Pennsylvania.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind around 0 mph.
7-day forecast for Trexlertown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 63°F | Mostly Cloudy | 0 mph | 3% |
| Wednesday | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 61% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 59% |
| Thursday | 88°F | Showers And Thunderstorms Likely | 0 to 10 mph S | 72% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 72% |
| Friday | 88°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph SW | 56% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph W | 56% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 11% |
| Sunday Night | 69°F | Mostly Clear | 0 to 5 mph SW | 11% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 16% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 16% |
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 Aug 4, 2026.