Palmer Heights, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Palmer Heights, a community in Northampton County, Pennsylvania.
This Afternoon
82°F
Mostly Sunny
Mostly sunny, with a high near 82. North wind around 10 mph.
7-day forecast for Palmer Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Mostly Sunny | 10 mph N | 0% |
| Tonight | 53°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 72°F | Mostly Sunny | 5 mph E | 1% |
| Saturday Night | 58°F | Patchy Fog | 5 mph SE | 53% |
| Sunday | 71°F | Rain Showers | 5 mph SE | 93% |
| Sunday Night | 58°F | Patchy Fog | 0 to 5 mph NW | 93% |
| Monday | 67°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Monday Night | 52°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday Night | 49°F | Chance Rain Showers | 10 mph NE | 34% |
| Wednesday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Wednesday Night | 49°F | Chance Rain Showers | 10 mph NE | 39% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 10 mph NE | 36% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 31% |
Forecast source: National Weather Service (api.weather.gov) for Palmer Heights (40.689, -75.268). Updated through the day.
Growing snapshot for Palmer Heights
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
More local growing data for Palmer Heights: nearby ZIP 18045 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Phillipsburg-Easton Brg, Nj (3.9 mi from Palmer Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.