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Knox, PA Weather Forecast

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Knox, PA Weather Forecast

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Knox PA weather - Clear - 64°F
Clear
64°F
Updated 8:14 pm
Feels Like 66°F
Humidity 80%
Wind SSW 5 mph
Barometer  30.09 in
Dew Point 58°F
Knox PA weather - Clear - 18°C
Clear
18°C
Updated 8:14 pm
Feels Like 19°C
Humidity 80%
Wind SSW 8 km/h
Barometer  101.8 kPa
Dew Point 14°C
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Knox Weather Forecast

TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
Knox, PA Weather - Tonight Isolated Showers Knox, PA Weather - Thursday Isolated Showers Knox, PA Weather - Thursday Night Mostly Cloudy Knox, PA Weather - Friday Showers Knox, PA Weather - Friday Night Chance Of Showers Knox, PA Weather - Saturday Sunny Knox, PA Weather - Saturday Night Clear Knox, PA Weather - Sunday Mostly Sunny Knox, PA Weather - Sunday Night Clear Knox, PA Weather - Monday Mostly Sunny Knox, PA Weather - Monday Night Clear Knox, PA Weather - Tuesday Sunny
Isolated Showers Isolated Showers Mostly Cloudy Showers Chance of Showers Sunny Clear Mostly Sunny Clear Mostly Sunny Clear Sunny
Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
 Lo: 65°FLo: 18°C Hi: 71°FHi: 22°C
 Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
 Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 61°FHi: 16°C
 Lo: 39°FLo: 4°C Hi: 59°FHi: 15°C
POP: 20% POP: 20% POP: 100% POP: 80%
POP = Probability of Precipitation.
Weather Outlook Updated: 502 PM EDT Wed Sep 30 2026 Knox, PA Weather - WeatherWorld.com

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Issued: 724 PM EDT Wed Sep 30 2026

Key Messages

1) Shower chances tonight north of Pittsburgh, then dry and warm Thursday. Showers return with a Friday cold front.

2) Cooler and mainly dry from this weekend into early next week


Discussion

... KEY MESSAGE 1... A ridge of high pressure will maintain dry weather into this evening. Much of the area should remain dry tonight, though a weak shortwave is progged to advance eastward tonight, crossing the Lower Great Lakes region. This wave, and warm advection, should produce scattered shower...