Northampton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northampton, a borough in Northampton County, Pennsylvania.
Overnight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. Northeast wind around 5 mph.
7-day forecast for Northampton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Partly Cloudy | 5 mph NE | 0% |
| Saturday | 73°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Saturday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 5 mph E | 32% |
| Sunday | 70°F | Rain Showers | 5 mph S | 93% |
| Sunday Night | 55°F | Showers And Thunderstorms | 5 mph W | 94% |
| 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 | 31% |
| Tuesday | 62°F | Chance Rain Showers | 10 mph NE | 33% |
| Tuesday Night | 47°F | Chance Rain Showers | 10 to 15 mph NE | 30% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 25% |
| Wednesday Night | 48°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Thursday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Thursday Night | 48°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Friday | 67°F | Slight Chance Rain Showers | 10 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Northampton (40.688, -75.487). Updated through the day.
Growing snapshot for Northampton
Last spring frost
Apr 20
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
7a
More local growing data for Northampton: nearby ZIP 18067 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Ackermanville
Bangor
Bath
Belfast
Chapman
Cherryville
Chestnut Hill
East Bangor
Eastlawn Gardens
Easton
Freemansburg
Glendon
Hellertown
Martins Creek
Middletown
Morgan Hill
Mount Bethel
Nazareth
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 (4.9 mi from Northampton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.