Chalfont, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chalfont, a borough in Bucks County, Pennsylvania.
Overnight
62°F
Partly Cloudy
Partly cloudy, with a low around 62. North wind around 0 mph.
7-day forecast for Chalfont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 84°F | Mostly Sunny | 0 mph | 0% |
| Tuesday Night | 65°F | Mostly Cloudy | 0 mph | 4% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 50% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 68% |
| Thursday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph SW | 38% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 45% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 45% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 13% |
| Sunday Night | 70°F | Mostly Clear | 0 to 5 mph SW | 13% |
| Monday | 89°F | Sunny | 0 to 10 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov) for Chalfont (40.289, -75.210). Updated through the day.
Growing snapshot for Chalfont
Last spring frost
Apr 13
First fall frost
Oct 30
Growing season
198 days
Hardiness zone
7a
More local growing data for Chalfont: nearby ZIP 18914 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Doylestown Ap, Pa (5.4 mi from Chalfont). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.