Langhorne, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Langhorne, a borough in Bucks County, Pennsylvania.
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. North wind 5 to 10 mph.
7-day forecast for Langhorne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 73°F | Mostly Sunny | 5 to 10 mph E | 1% |
| Saturday Night | 61°F | Patchy Fog | 5 mph SE | 16% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 10 mph SE | 82% |
| Sunday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph W | 84% |
| Monday | 69°F | Chance Rain Showers | 10 mph NE | 44% |
| Monday Night | 57°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Tuesday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 32% |
| Wednesday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 37% |
| Thursday Night | 53°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 33% |
| Friday | 68°F | Chance Rain Showers | 10 mph N | 25% |
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
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Croydon
Doylestown
Dublin
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Fairless Hills
Feasterville
Hulmeville
Ivyland
Langhorne Manor
Levittown
Milford Square
New Britain
New Hope
Newtown
Newtown Grant
Parkland
Penndel
Perkasie
Plumsteadville
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Richboro
Richlandtown
Riegelsville
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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 Sep 19, 2026.