Trappe, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trappe, a borough in Montgomery County, Pennsylvania.
Tonight
48°F
Partly Cloudy then Patchy Fog
Patchy fog after midnight. Partly cloudy, with a low around 48. South wind 0 to 5 mph.
7-day forecast for Trappe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Partly Cloudy then Patchy Fog | 0 to 5 mph S | 2% |
| Wednesday | 74°F | Patchy Fog then Mostly Sunny | 0 to 10 mph S | 3% |
| Wednesday Night | 58°F | Mostly Cloudy | 5 mph S | 7% |
| Thursday | 72°F | Light Rain Likely | 5 to 10 mph S | 58% |
| Thursday Night | 60°F | Light Rain Likely | 0 to 5 mph SW | 71% |
| Friday | 69°F | Light Rain Likely | 0 to 5 mph W | 71% |
| Friday Night | 49°F | Light Rain Likely | 0 to 5 mph NW | 70% |
| Saturday | 64°F | Chance Light Rain | 5 to 10 mph NW | 27% |
| Saturday Night | 39°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 60°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Sunday Night | 37°F | Slight Chance Light Rain | 5 mph W | 19% |
| Monday | 59°F | Slight Chance Light Rain | 5 to 15 mph NW | 23% |
| Monday Night | 36°F | Slight Chance Light Rain | 5 to 10 mph W | 22% |
| Tuesday | 62°F | Slight Chance Light Rain then Sunny | 5 to 15 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Trappe (40.199, -75.475). Updated through the day.
Growing snapshot for Trappe
Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
7a
More local growing data for Trappe: nearby ZIP 19426 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Graterford 1 E, Pa (2.9 mi from Trappe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.