Hellertown, PA Weather & Growing Conditions
Today
71°F
Mostly Sunny
Mostly sunny, with a high near 71. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Mostly Sunny | 5 mph S | 2% |
| Tonight | 57°F | Mostly Cloudy then Patchy Fog | 5 mph S | 4% |
| Thursday | 69°F | Light Rain Likely | 5 to 10 mph S | 70% |
| Thursday Night | 59°F | Light Rain | 0 to 5 mph SW | 81% |
| Friday | 68°F | Light Rain Likely | 0 mph | 67% |
| Friday Night | 50°F | Light Rain Likely | 0 to 5 mph NW | 56% |
| Saturday | 62°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Saturday Night | 43°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 40°F | Mostly Clear | 5 mph W | 5% |
| Monday | 56°F | Sunny then Slight Chance Light Rain | 5 to 10 mph W | 15% |
| Monday Night | 38°F | Slight Chance Light Rain then Mostly Clear | 5 mph W | 15% |
| Tuesday | 60°F | Sunny | 5 to 10 mph W | 3% |
| Tuesday Night | 39°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hellertown, PA
Last spring frost
Apr 21
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
7a
Explore more for Hellertown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Springtown 1 Nne, Pa (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.