Knox, PA Weather & Growing Conditions
Today
82°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 82. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Patchy Fog then Sunny | 2 mph SE | 0% |
| Tonight | 62°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 84°F | Partly Sunny then Scattered Showers And Thunderstorms | 5 mph SE | 28% |
| Wednesday Night | 66°F | Scattered Showers And Thunderstorms | 3 mph SE | 50% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 2 to 6 mph S | 71% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely | 3 mph SW | 71% |
| Friday | 82°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 85% |
| Friday Night | 64°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 85% |
| Saturday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph SW | 46% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 5 mph SW | 46% |
| Sunday | 84°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 23% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 32% |
| Monday | 84°F | Chance Rain Showers | 6 to 9 mph SW | 46% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 52% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Knox, PA
Last spring frost
May 9
First fall frost
Oct 11
Growing season
154 days
Hardiness zone
6a
Explore more for Knox, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Clarion 3 Sw, Pa (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.