Newtown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newtown, a community in Schuylkill County, Pennsylvania.
Tonight
49°F
Mostly Clear then Patchy Fog
Patchy fog after 2am. Mostly clear, with a low around 49. North wind around 5 mph.
7-day forecast for Newtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Clear then Patchy Fog | 5 mph N | 0% |
| Saturday | 71°F | Patchy Fog then Mostly Sunny | 3 mph E | 2% |
| Saturday Night | 57°F | Mostly Cloudy then Rain Showers Likely | 2 to 6 mph SE | 65% |
| Sunday | 70°F | Rain Showers | 6 mph S | 97% |
| Sunday Night | 57°F | Showers And Thunderstorms | 2 to 7 mph NW | 97% |
| Monday | 68°F | Chance Rain Showers | 7 mph NE | 32% |
| Monday Night | 52°F | Chance Rain Showers | 3 to 10 mph E | 44% |
| Tuesday | 60°F | Chance Rain Showers | 7 to 10 mph E | 50% |
| Tuesday Night | 48°F | Chance Rain Showers | 7 to 12 mph E | 50% |
| Wednesday | 59°F | Chance Rain Showers | 7 to 12 mph E | 43% |
| Wednesday Night | 48°F | Chance Showers And Thunderstorms | 7 to 10 mph E | 40% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 40% |
| Thursday Night | 49°F | Chance Showers And Thunderstorms | 6 mph NE | 37% |
| Friday | 66°F | Chance Rain Showers | 7 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Newtown (40.653, -76.346). Updated through the day.
Growing snapshot for Newtown
Last spring frost
Apr 27
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
6b
More local growing data for Newtown: nearby ZIP 17923 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Bear Gap, Pa (14.5 mi from Newtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.