Palmer Heights, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Palmer Heights, a community in Northampton County, Pennsylvania.
Today
73°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 73. Southwest wind 0 to 5 mph.
7-day forecast for Palmer Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Fog then Mostly Sunny | 0 to 5 mph SW | 1% |
| Tonight | 56°F | Mostly Cloudy | 0 to 5 mph SE | 7% |
| Thursday | 71°F | Light Rain Likely | 5 to 10 mph S | 74% |
| Thursday Night | 59°F | Light Rain | 0 to 5 mph SW | 82% |
| Friday | 70°F | Light Rain Likely | 0 mph | 58% |
| Friday Night | 48°F | Chance Light Rain | 0 mph | 47% |
| Saturday | 64°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 19% |
| Saturday Night | 41°F | Slight Chance Light Rain | 5 mph W | 19% |
| Sunday | 58°F | Mostly Sunny | 5 to 10 mph NW | 5% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 5% |
| Monday | 58°F | Sunny | 5 to 15 mph W | 6% |
| Monday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Tuesday | 62°F | Sunny | 5 to 10 mph W | 3% |
| Tuesday Night | 36°F | Mostly Clear | 5 mph W | 0% |
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
Nearby towns & communities
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Middletown
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Nazareth
Northampton
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Wind Gap
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 Nov 4, 2026.