Langhorne, PA Weather & Growing Conditions
Today
75°F
Partly Sunny
Partly sunny, with a high near 75. East wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Partly Sunny | 5 to 10 mph E | 1% |
| Tonight | 59°F | Mostly Cloudy | 5 mph E | 5% |
| Sunday | 75°F | Rain Showers Likely | 5 to 10 mph S | 70% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 72% |
| Monday | 69°F | Chance Rain Showers | 5 to 10 mph NE | 46% |
| Monday Night | 53°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Tuesday | 64°F | Chance Rain Showers | 10 mph NE | 38% |
| Tuesday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Wednesday | 64°F | Chance Rain Showers | 15 mph NE | 27% |
| Wednesday Night | 52°F | Chance Rain Showers | 15 mph NE | 31% |
| Thursday | 63°F | Chance Rain Showers | 15 mph NE | 34% |
| Thursday Night | 51°F | Chance Rain Showers | 10 to 15 mph N | 34% |
| Friday | 66°F | Chance Rain Showers | 10 to 15 mph N | 32% |
| Friday Night | 51°F | Chance Rain Showers | 10 mph N | 26% |
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 Sep 19, 2026.