Langhorne, PA Weather & Growing Conditions
This Afternoon
70°F
Mostly Sunny
Mostly sunny, with a high near 70. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Mostly Sunny | 5 mph SW | 1% |
| Tonight | 50°F | Partly Cloudy | 5 mph S | 3% |
| Wednesday | 75°F | Patchy Fog then Sunny | 0 to 10 mph S | 2% |
| Wednesday Night | 58°F | Mostly Cloudy | 5 mph S | 3% |
| Thursday | 73°F | Chance Light Rain | 5 to 10 mph S | 38% |
| Thursday Night | 62°F | Light Rain | 5 mph S | 81% |
| Friday | 69°F | Light Rain | 0 to 5 mph W | 81% |
| Friday Night | 52°F | Light Rain Likely | 0 to 5 mph NW | 79% |
| Saturday | 66°F | Chance Light Rain | 5 to 10 mph NW | 41% |
| Saturday Night | 41°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 | 39°F | Partly Cloudy then Slight Chance Light Rain | 5 mph W | 18% |
| Monday | 60°F | Slight Chance Light Rain | 5 to 15 mph NW | 23% |
| Monday Night | 38°F | Slight Chance Light Rain | 5 to 10 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Langhorne, PA
Last spring frost
Apr 21
First fall frost
Oct 25
Growing season
185 days
Hardiness zone
7a
Explore more for Langhorne, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Neshaminy Falls, Pa (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.