Horsham, PA Weather & Growing Conditions
This Afternoon
83°F
Mostly Sunny
Mostly sunny, with a high near 83. North wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Mostly Sunny | 10 mph N | 0% |
| Tonight | 57°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 74°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 62°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph E | 21% |
| Sunday | 75°F | Showers And Thunderstorms | 5 to 10 mph S | 82% |
| Sunday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph NW | 83% |
| Monday | 68°F | Chance Rain Showers | 10 mph NE | 43% |
| Monday Night | 56°F | Chance Rain Showers | 10 mph NE | 31% |
| Tuesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Tuesday Night | 53°F | Chance Rain Showers | 15 mph NE | 35% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 34% |
| Wednesday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 36% |
| Thursday Night | 53°F | Chance Showers And Thunderstorms | 10 mph NE | 33% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Horsham, PA
Last spring frost
Apr 11
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
7a
Explore more for Horsham, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Willow Grove Nas, Pa (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.