Chestnut Hill, PA Weather & Growing Conditions
This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Tonight | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 23% |
| Sunday | 70°F | Rain Showers | 5 mph SE | 99% |
| Sunday Night | 54°F | Showers And Thunderstorms | 5 to 10 mph W | 78% |
| Monday | 69°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Monday Night | 48°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 30% |
| Tuesday Night | 47°F | Chance Rain Showers | 10 mph NE | 29% |
| Wednesday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Wednesday Night | 47°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Thursday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Thursday Night | 47°F | Chance Rain Showers | 5 to 10 mph NE | 34% |
| Friday | 67°F | Chance Rain Showers | 10 mph N | 26% |
| Friday Night | 48°F | Chance Rain Showers | 5 to 10 mph NE | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chestnut Hill, PA
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
Explore more for Chestnut Hill, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Phillipsburg-Easton Brg, Nj (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.