Langhorne, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Langhorne, a borough in Bucks County, Pennsylvania.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind 0 to 5 mph.
7-day forecast for Langhorne
| 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) for Langhorne (40.177, -74.923). Updated through the day.
Growing snapshot for Langhorne
Last spring frost
Apr 21
First fall frost
Oct 25
Growing season
185 days
Hardiness zone
7a
More local growing data for Langhorne: nearby ZIP 19047 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Blooming Glen
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Fairless Hills
Feasterville
Hulmeville
Ivyland
Langhorne Manor
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Milford Square
New Britain
New Hope
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Parkland
Penndel
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Richboro
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Climate data from the nearest NOAA station, Neshaminy Falls, Pa (3.1 mi from Langhorne). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.