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 0 to 5 mph.
7-day forecast for Cornwells Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 0 to 5 mph S | 2% |
| Wednesday | 75°F | Patchy Fog then Sunny | 0 to 10 mph S | 2% |
| Wednesday Night | 59°F | Mostly Cloudy | 5 mph S | 3% |
| Thursday | 74°F | Chance Light Rain | 5 to 10 mph S | 34% |
| Thursday Night | 63°F | Light Rain | 5 mph S | 82% |
| Friday | 70°F | Light Rain | 5 mph SW | 82% |
| Friday Night | 54°F | Light Rain Likely | 0 to 5 mph NW | 80% |
| Saturday | 66°F | Chance Light Rain | 5 to 10 mph NW | 41% |
| Saturday Night | 43°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 61°F | Mostly Sunny | 5 mph W | 9% |
| Sunday Night | 41°F | Partly Cloudy then Slight Chance Light Rain | 5 mph W | 18% |
| Monday | 60°F | Slight Chance Light Rain | 5 to 15 mph NW | 23% |
| Monday Night | 40°F | Slight Chance Light Rain | 5 to 10 mph W | 23% |
| Tuesday | 63°F | Sunny | 5 to 15 mph W | 14% |
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.