Cornwells Heights, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cornwells Heights, a community in Bucks County, Pennsylvania.
Today
77°F
Partly Sunny
Partly sunny, with a high near 77. East wind 5 to 10 mph.
7-day forecast for Cornwells Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Partly Sunny | 5 to 10 mph E | 1% |
| Tonight | 61°F | Mostly Cloudy | 5 to 10 mph E | 5% |
| Sunday | 76°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 61% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 73% |
| Monday | 70°F | Chance Rain Showers | 5 to 10 mph NE | 46% |
| Monday Night | 55°F | Chance Rain Showers | 5 to 10 mph NE | 34% |
| Tuesday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Tuesday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 38% |
| Wednesday | 65°F | Chance Rain Showers | 15 mph NE | 29% |
| Wednesday Night | 54°F | Chance Rain Showers | 15 mph NE | 31% |
| Thursday | 63°F | Chance Rain Showers | 15 mph NE | 35% |
| Thursday Night | 52°F | Chance Rain Showers | 10 to 15 mph N | 35% |
| Friday | 66°F | Chance Rain Showers | 10 to 15 mph N | 31% |
| Friday Night | 53°F | Chance Rain Showers | 10 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Cornwells Heights (40.077, -74.952). Updated through the day.
Growing snapshot for Cornwells Heights
Last spring frost
Apr 21
First fall frost
Oct 25
Growing season
185 days
Hardiness zone
7b
More local growing data for Cornwells Heights: nearby ZIP 19020 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Neshaminy Falls, Pa (3.4 mi from Cornwells Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.