Chapman, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chapman, a borough in Northampton County, Pennsylvania.
Today
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 66 in the afternoon. South wind 0 to 10 mph.
7-day forecast for Chapman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 0 to 10 mph S | 1% |
| Tonight | 55°F | Mostly Cloudy then Patchy Fog | 5 mph S | 13% |
| Thursday | 69°F | Patchy Fog then Light Rain | 5 to 10 mph S | 80% |
| Thursday Night | 57°F | Light Rain | 0 to 5 mph SW | 78% |
| Friday | 68°F | Chance Light Rain | 0 mph | 51% |
| Friday Night | 48°F | Chance Light Rain then Partly Cloudy | 0 to 5 mph NW | 38% |
| Saturday | 62°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 21% |
| Saturday Night | 40°F | Slight Chance Light Rain | 10 mph W | 21% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph NW | 5% |
| Sunday Night | 36°F | Partly Cloudy | 5 to 10 mph W | 4% |
| Monday | 56°F | Sunny | 10 to 15 mph W | 6% |
| Monday Night | 35°F | Mostly Clear | 5 to 10 mph W | 4% |
| Tuesday | 61°F | Sunny | 5 to 15 mph W | 4% |
| Tuesday Night | 36°F | Mostly Clear | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Chapman (40.760, -75.401). Updated through the day.
Growing snapshot for Chapman
Last spring frost
Apr 20
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
6b
More local growing data for Chapman: nearby ZIP 18014 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Ackermanville
Bangor
Bath
Belfast
Cherryville
Chestnut Hill
East Bangor
Eastlawn Gardens
Easton
Freemansburg
Glendon
Hellertown
Martins Creek
Middletown
Morgan Hill
Mount Bethel
Nazareth
Northampton
Old Orchard
Palmer Heights
Pen Argyl
Portland
Raubsville
Roseto
Stockertown
Tatamy
Walnutport
West Easton
Wilson
Wind Gap
Climate data from the nearest NOAA station, Allentown Intl Ap, Pa (8.3 mi from Chapman). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.