Steelton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Steelton, a borough in Dauphin County, Pennsylvania.
This Afternoon
81°F
Mostly Sunny
Mostly sunny, with a high near 81. North wind around 8 mph.
7-day forecast for Steelton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 8 mph N | 0% |
| Tonight | 55°F | Partly Cloudy | 3 to 8 mph N | 0% |
| Saturday | 76°F | Mostly Sunny | 5 mph E | 3% |
| Saturday Night | 63°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph SE | 46% |
| Sunday | 77°F | Showers And Thunderstorms | 6 to 12 mph S | 95% |
| Sunday Night | 61°F | Showers And Thunderstorms | 5 to 9 mph NW | 95% |
| Monday | 70°F | Chance Rain Showers | 9 mph NE | 36% |
| Monday Night | 57°F | Chance Rain Showers | 7 to 12 mph NE | 45% |
| Tuesday | 63°F | Rain Showers Likely | 12 mph NE | 59% |
| Tuesday Night | 52°F | Rain Showers Likely | 13 mph NE | 59% |
| Wednesday | 61°F | Chance Rain Showers | 13 mph NE | 49% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 12 mph NE | 49% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 12 mph NE | 43% |
| Thursday Night | 53°F | Chance Showers And Thunderstorms | 5 to 8 mph N | 39% |
Forecast source: National Weather Service (api.weather.gov) for Steelton (40.226, -76.825). Updated through the day.
Growing snapshot for Steelton
Last spring frost
Apr 9
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
7a
More local growing data for Steelton: nearby ZIP 17113 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Berrysburg
Bressler
Colonial Park
Elizabethville
Enhaut
Gratz
Harrisburg
Hershey
Highspire
Hummelstown
Lawnton
Lenkerville
Linglestown
Lykens
Middletown
Millersburg
New Cumberland
Oberlin
Palmdale
Paxtang
Paxtonia
Penbrook
Pillow
Progress
Royalton
Rutherford
Skyline View
Union Deposit
West Fairview
Wiconsico
Climate data from the nearest NOAA station, Harrisburg Cptl Cy Ap, Pa (1.8 mi from Steelton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.