Cornwall, PA Weather Forecast

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Cornwall, PA Weather Forecast

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Cornwall PA weather  - Partly Cloudy - 76°F
Partly Cloudy
76°F
Updated 4:29 pm
Feels Like 82°F
Humidity 53%
Wind NNE 10 mph
Barometer  29.99 in
Dew Point 58°F
Cornwall PA weather  - Partly Cloudy - 24°C
Partly Cloudy
24°C
Updated 4:29 pm
Feels Like 28°C
Humidity 53%
Wind NNE 16 km/h
Barometer  101.6 kPa
Dew Point 14°C

Cornwall Weather Forecast

THIS AFTERNOON TONIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Cornwall, PA Weather - This Afternoon Mostly Sunny Cornwall, PA Weather - Tonight Mostly Clear Cornwall, PA Weather - Labor Day Sunny Cornwall, PA Weather - Monday Night Partly Cloudy Cornwall, PA Weather - Tuesday Sunny Cornwall, PA Weather - Tuesday Night Partly Cloudy Cornwall, PA Weather - Wednesday Mostly Sunny Cornwall, PA Weather - Wednesday Night Partly Cloudy Cornwall, PA Weather - Thursday Showers Likely Cornwall, PA Weather - Thursday Night Showers Likely Cornwall, PA Weather - Friday Sunny Cornwall, PA Weather - Friday Night Mostly Clear
Mostly Sunny Mostly Clear Sunny Partly Cloudy Sunny Partly Cloudy Mostly Sunny Partly Cloudy Showers Likely Showers Likely Sunny Mostly Clear
Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C Hi: 80°FHi: 27°C
Lo: 55°FLo: 13°C Hi: 81°FHi: 27°C
Lo: 60°FLo: 16°C Hi: 85°FHi: 29°C
Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
Lo: 60°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C
POP: 60% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 300 PM EDT Sun Sep 06 2026 Cornwall, PA Weather - WeatherWorld.com

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Issued: 140 PM EDT Sun Sep 6 2026

Key Messages

1) A nice end to the Labor Day weekend.

2) Uptick in heat and humidity for mid midweek.

3) Showers, storms, and gusty winds Wednesday night into Thursday.


Discussion

... KEY MESSAGE 1: A nice end to the Labor Day weekend.

A few clouds outside this afternoon, but a very dry airmass is above about 850 mb, so no showers for a change after a wet start to September.

In the wake of Saturday`s cold front, a refreshingly low dewpoint airmass has settled in across Pennsylvania and will ensure pleas...