Langhorne, PA Weather & Growing Conditions
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 to 5 mph E | 3% |
| Wednesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 49% |
| Wednesday Night | 72°F | Showers And Thunderstorms Likely | 5 mph S | 74% |
| Thursday | 90°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 41% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 15% |
| Monday | 90°F | Sunny | 5 to 10 mph W | 9% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 16% |
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 Aug 4, 2026.