Knox, PA Weather & Growing Conditions
Today
73°F
Partly Sunny then Slight Chance Light Rain
A slight chance of rain between 2pm and 3pm. Partly sunny. High near 73, with temperatures falling to around 67 in the afternoon. South wind around 9 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Partly Sunny then Slight Chance Light Rain | 9 mph S | 15% |
| Tonight | 59°F | Light Rain | 10 mph S | 85% |
| Thursday | 67°F | Chance Light Rain then Mostly Sunny | 6 to 12 mph SW | 26% |
| Thursday Night | 45°F | Partly Cloudy | 5 mph SW | 0% |
| Friday | 60°F | Partly Sunny then Chance Light Rain | 2 to 6 mph SW | 25% |
| Friday Night | 40°F | Chance Light Rain | 2 to 7 mph W | 52% |
| Saturday | 51°F | Chance Light Rain | 9 mph W | 52% |
| Saturday Night | 35°F | Chance Light Rain | 8 mph W | 39% |
| Sunday | 52°F | Slight Chance Light Rain then Partly Sunny | 7 to 10 mph W | 15% |
| Sunday Night | 32°F | Partly Cloudy | 7 mph W | 12% |
| Monday | 53°F | Slight Chance Light Rain | 7 to 10 mph W | 22% |
| Monday Night | 33°F | Slight Chance Light Rain then Partly Cloudy | 7 mph SW | 18% |
| Tuesday | 57°F | Mostly Sunny | 7 to 12 mph SW | 8% |
| Tuesday Night | 32°F | Partly Cloudy | 6 mph W | 8% |
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 Nov 4, 2026.