Highland Park, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highland Park, a community in Mifflin County, Pennsylvania.
Today
85°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 85. East wind around 1 mph.
7-day forecast for Highland Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Fog then Sunny | 1 mph E | 0% |
| Tonight | 63°F | Mostly Cloudy then Patchy Fog | 1 mph NE | 7% |
| Wednesday | 83°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 2 mph E | 22% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Areas Of Fog | 2 mph E | 48% |
| Thursday | 88°F | Areas Of Fog then Showers And Thunderstorms | 0 to 3 mph SW | 81% |
| Thursday Night | 68°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 mph NW | 81% |
| Friday | 87°F | Showers And Thunderstorms Likely | 0 to 3 mph W | 72% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph NW | 72% |
| Saturday | 86°F | Showers And Thunderstorms Likely | 0 to 3 mph W | 56% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph NW | 56% |
| Sunday | 88°F | Mostly Sunny | 0 to 3 mph W | 13% |
| Sunday Night | 69°F | Partly Cloudy | 2 mph W | 13% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 8 mph W | 23% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 to 7 mph W | 23% |
Forecast source: National Weather Service (api.weather.gov) for Highland Park (40.622, -77.571). Updated through the day.
Growing snapshot for Highland Park
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
7a
More local growing data for Highland Park: nearby ZIP 17009 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Atkinson Mills
Barrville
Belleville
Burnham
Church Hill
Granville
Juniata Terrace
Lewistown
Longfellow
Lumber City
Maitland
Mattawana
McClure
McVeytown
Milroy
Newton Hamilton
Potlicker Flats
Reedsville
Siglerville
Strodes Mills
Wagner
Yeagertown
Climate data from the nearest NOAA station, Lewistown, Pa (3.4 mi from Highland Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.