Langhorne, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Langhorne, a borough in Bucks County, Pennsylvania.
Today
74°F
Sunny
Sunny, with a high near 74. South wind 0 to 5 mph.
7-day forecast for Langhorne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 0 to 5 mph S | 2% |
| Tonight | 58°F | Mostly Cloudy | 5 mph S | 1% |
| Thursday | 73°F | Chance Light Rain | 5 to 10 mph S | 45% |
| Thursday Night | 61°F | Light Rain | 0 to 5 mph SW | 83% |
| Friday | 70°F | Light Rain | 0 to 5 mph E | 83% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph NW | 83% |
| Saturday | 64°F | Mostly Sunny | 5 to 10 mph W | 7% |
| Saturday Night | 42°F | Slight Chance Light Rain | 5 to 10 mph W | 15% |
| Sunday | 60°F | Mostly Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 40°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 58°F | Sunny | 10 to 15 mph W | 8% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 6% |
| Tuesday | 62°F | Sunny | 5 to 10 mph SW | 5% |
| Tuesday Night | 39°F | Mostly Clear | 5 mph W | 0% |
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
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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 Nov 4, 2026.