Stoneboro, PA Weather & Growing Conditions
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. Northeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 6 mph NE | 4% |
| Saturday | 73°F | Partly Sunny then Slight Chance Rain Showers | 7 mph E | 19% |
| Saturday Night | 62°F | Mostly Cloudy then Showers And Thunderstorms | 7 mph SE | 78% |
| Sunday | 72°F | Showers And Thunderstorms | 8 mph W | 86% |
| Sunday Night | 54°F | Rain Showers Likely | 10 mph NE | 58% |
| Monday | 67°F | Chance Rain Showers | 12 mph NE | 25% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 14 mph E | 50% |
| Tuesday | 64°F | Chance Rain Showers | 14 mph E | 50% |
| Tuesday Night | 51°F | Showers And Thunderstorms Likely | 17 mph E | 61% |
| Wednesday | 61°F | Rain Showers Likely | 13 to 16 mph E | 61% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 15 mph E | 55% |
| Thursday | 63°F | Chance Rain Showers | 8 to 14 mph E | 46% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 7 mph NE | 21% |
| Friday | 69°F | Partly Sunny then Slight Chance Rain Showers | 8 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stoneboro, PA
Last spring frost
May 15
First fall frost
Oct 3
Growing season
140 days
Hardiness zone
6a
Explore more for Stoneboro, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Mercer, Pa (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.