Highland Park, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Highland Park, a community in Mifflin County, Pennsylvania.
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Wind around 0 mph.
7-day forecast for Highland Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 74°F | Partly Sunny | 2 mph NE | 2% |
| Saturday Night | 61°F | Rain Showers | 3 mph E | 81% |
| Sunday | 75°F | Rain Showers | 5 mph S | 91% |
| Sunday Night | 53°F | Chance Showers And Thunderstorms | 2 to 6 mph NW | 47% |
| Monday | 68°F | Mostly Cloudy | 5 mph NE | 13% |
| Monday Night | 50°F | Chance Rain Showers | 3 to 7 mph NE | 52% |
| Tuesday | 61°F | Rain Showers Likely | 7 mph E | 59% |
| Tuesday Night | 47°F | Chance Rain Showers | 6 to 9 mph E | 51% |
| Wednesday | 60°F | Chance Rain Showers | 6 to 9 mph E | 47% |
| Wednesday Night | 48°F | Chance Rain Showers | 6 mph E | 39% |
| Thursday | 62°F | Chance Rain Showers | 6 mph NE | 38% |
| Thursday Night | 48°F | Chance Rain Showers | 3 mph NE | 38% |
| Friday | 68°F | Chance Rain Showers | 5 mph N | 29% |
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
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Mattawana
McClure
McVeytown
Milroy
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Potlicker Flats
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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 Sep 19, 2026.