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
86°F
Mostly Sunny
Mostly sunny, with a high near 86. East wind 0 to 5 mph.
7-day forecast for Cornwells Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy | 0 to 5 mph E | 4% |
| Wednesday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 51% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely | 5 mph S | 73% |
| Thursday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 39% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 45% |
| Saturday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 15% |
| Monday | 91°F | Sunny | 5 to 10 mph W | 8% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 16% |
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 Aug 4, 2026.