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
Mostly Sunny
Mostly sunny, with a high near 73. East wind 0 to 5 mph.
7-day forecast for Palmer Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Tonight | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 21% |
| Sunday | 71°F | Rain Showers | 5 mph S | 98% |
| Sunday Night | 55°F | Showers And Thunderstorms | 5 to 10 mph W | 78% |
| Monday | 69°F | Partly Sunny | 5 to 10 mph NE | 10% |
| Monday Night | 48°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 31% |
| Tuesday Night | 47°F | Chance Rain Showers | 10 to 15 mph NE | 30% |
| Wednesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 24% |
| Wednesday Night | 48°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Thursday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Thursday Night | 48°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Friday | 66°F | Chance Rain Showers | 10 mph N | 26% |
| Friday Night | 48°F | Slight Chance Rain Showers | 5 to 10 mph N | 24% |
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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East Bangor
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Glendon
Hellertown
Martins Creek
Middletown
Morgan Hill
Mount Bethel
Nazareth
Northampton
Old Orchard
Pen Argyl
Portland
Raubsville
Roseto
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Tatamy
Walnutport
West Easton
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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 Sep 19, 2026.