Northampton, PA Weather & Growing Conditions
Tonight
47°F
Mostly Clear then Patchy Fog
Patchy fog after 4am. Mostly clear, with a low around 47. West wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear then Patchy Fog | 0 mph | 2% |
| Wednesday | 73°F | Patchy Fog then Mostly Sunny | 0 to 10 mph SW | 2% |
| Wednesday Night | 56°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 5 mph S | 15% |
| Thursday | 70°F | Light Rain | 5 to 10 mph S | 76% |
| Thursday Night | 58°F | Light Rain Likely | 0 to 5 mph SW | 62% |
| Friday | 68°F | Light Rain Likely | 0 to 5 mph NW | 62% |
| Friday Night | 49°F | Light Rain Likely | 0 to 5 mph N | 56% |
| Saturday | 64°F | Slight Chance Light Rain | 5 to 10 mph NW | 19% |
| Saturday Night | 39°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 17% |
| Sunday | 60°F | Mostly Sunny | 5 to 10 mph W | 14% |
| Sunday Night | 37°F | Slight Chance Light Rain | 5 mph W | 19% |
| Monday | 59°F | Chance Light Rain | 5 to 15 mph NW | 25% |
| Monday Night | 35°F | Slight Chance Light Rain | 5 to 10 mph W | 21% |
| Tuesday | 61°F | Slight Chance Light Rain then Mostly Sunny | 10 to 15 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Northampton, PA
Last spring frost
Apr 20
First fall frost
Oct 24
Growing season
184 days
Hardiness zone
7a
Explore more for Northampton, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Allentown Intl Ap, Pa (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.