Cornwells Heights, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cornwells Heights, a community in Bucks County, Pennsylvania.
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 0 mph.
7-day forecast for Cornwells Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 75°F | Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 59°F | Mostly Cloudy | 5 mph S | 1% |
| Thursday | 74°F | Chance Light Rain | 5 to 10 mph S | 42% |
| Thursday Night | 62°F | Light Rain | 0 to 5 mph S | 84% |
| Friday | 70°F | Light Rain | 0 to 5 mph E | 84% |
| Friday Night | 52°F | Light Rain | 0 to 5 mph NW | 84% |
| Saturday | 65°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Saturday Night | 44°F | Partly Cloudy | 5 to 10 mph W | 9% |
| Sunday | 60°F | Mostly Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 41°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 59°F | Sunny | 10 to 15 mph W | 8% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 5% |
| Tuesday | 63°F | Sunny | 5 to 10 mph SW | 4% |
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 Nov 4, 2026.