Clifton Heights, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clifton Heights, a borough in Delaware County, Pennsylvania.
This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. North wind around 10 mph.
7-day forecast for Clifton Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Mostly Sunny | 10 mph N | 0% |
| Tonight | 61°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 75°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Saturday Night | 64°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph E | 14% |
| Sunday | 77°F | Showers And Thunderstorms | 5 to 10 mph SE | 79% |
| Sunday Night | 63°F | Showers And Thunderstorms | 5 to 10 mph W | 83% |
| Monday | 70°F | Chance Rain Showers | 10 mph NE | 46% |
| Monday Night | 59°F | Chance Rain Showers | 10 mph NE | 32% |
| Tuesday | 65°F | Chance Rain Showers | 10 mph NE | 34% |
| Tuesday Night | 56°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 35% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 38% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 37% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 32% |
Forecast source: National Weather Service (api.weather.gov) for Clifton Heights (39.930, -75.296). Updated through the day.
Growing snapshot for Clifton Heights
Last spring frost
Apr 2
First fall frost
Nov 10
Growing season
224 days
Hardiness zone
7b
More local growing data for Clifton Heights: nearby ZIP 19018 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Aldan
Ardmore
Boothwyn
Brookhaven
Broomall
Bryn Mawr
Chester
Chester Heights
Cheyney University
Collingdale
Colwyn
Darby
Dilworthtown
Drexel Hill
East Lansdowne
Eddystone
Folcroft
Folsom
Glenolden
Haverford College
Lansdowne
Lima
Linwood
Marcus Hook
Media
Morton
Norwood
Parkside
Prospect Park
Ridley Park
Climate data from the nearest NOAA station, Philadelphia Intl Ap, Pa (5.2 mi from Clifton Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.