Hartleton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartleton, a borough in Union County, Pennsylvania.
This Afternoon
69°F
Partly Sunny
Partly sunny, with a high near 69. Southeast wind around 2 mph.
7-day forecast for Hartleton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Partly Sunny | 2 mph SE | 2% |
| Tonight | 48°F | Mostly Clear then Areas Of Fog | 0 mph | 2% |
| Wednesday | 73°F | Areas Of Fog then Mostly Sunny | 0 to 8 mph SE | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 5 mph SE | 87% |
| Thursday | 72°F | Rain Showers | 2 to 6 mph S | 83% |
| Thursday Night | 54°F | Mostly Cloudy then Chance Rain Showers | 2 mph W | 27% |
| Friday | 68°F | Chance Rain Showers | 1 mph NW | 39% |
| Friday Night | 46°F | Chance Rain Showers | 1 mph NW | 38% |
| Saturday | 61°F | Slight Chance Rain Showers | 1 to 7 mph NW | 22% |
| Saturday Night | 39°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph NW | 20% |
| Sunday | 59°F | Mostly Sunny | 2 to 6 mph W | 9% |
| Sunday Night | 36°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph W | 18% |
| Monday | 59°F | Chance Rain Showers | 6 to 13 mph W | 26% |
| Monday Night | 37°F | Slight Chance Rain Showers | 7 mph W | 24% |
Forecast source: National Weather Service (api.weather.gov) for Hartleton (40.900, -77.156). Updated through the day.
Growing snapshot for Hartleton
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6b
More local growing data for Hartleton: nearby ZIP 17829 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Laurelton Ctr, Pa (3.1 mi from Hartleton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.