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Donegal, PA Weather Forecast

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Donegal, PA Weather Forecast

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Donegal PA weather - Overcast - 64°F
Overcast
64°F
Updated 9:58 pm
Feels Like 66°F
Humidity 88%
Wind S 6 mph
Barometer  30.12 in
Dew Point 60°F
Donegal PA weather - Overcast - 18°C
Overcast
18°C
Updated 9:58 pm
Feels Like 19°C
Humidity 88%
Wind S 10 km/h
Barometer  101.9 kPa
Dew Point 16°C
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Donegal Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Donegal, PA Weather - Tonight Patchy Fog Donegal, PA Weather - Wednesday Patchy Fog Donegal, PA Weather - Wednesday Night Mostly Cloudy Donegal, PA Weather - Thursday Partly Cloudy Donegal, PA Weather - Thursday Night Partly Cloudy Donegal, PA Weather - Friday Chance Of Showers Donegal, PA Weather - Friday Night Showers Donegal, PA Weather - Saturday Partly Sunny Donegal, PA Weather - Saturday Night Chance Of Showers Donegal, PA Weather - Sunday Chance Of Showers Donegal, PA Weather - Sunday Night Chance Of Showers Donegal, PA Weather - Monday Partly Cloudy
Patchy Fog Patchy Fog Mostly Cloudy Partly Cloudy Partly Cloudy Chance of Showers Showers Partly Sunny Chance of Showers Chance of Showers Chance of Showers Partly Cloudy
Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
 Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
 Lo: 65°FLo: 18°C Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
 Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
 Lo: 45°FLo: 7°C Hi: 61°FHi: 16°C
POP: 80% POP: 80% POP: 40% POP: 40% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 727 PM EDT Tue Sep 29 2026 Donegal, PA Weather - WeatherWorld.com

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Donegal Forecast Discussion

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Issued: 659 PM EDT Tue Sep 29 2026

Key Messages

1) Mainly dry through Thursday, before shower chances return with a Friday cold front

2) Cooler with periodic shower chances for the upcoming weekend


Discussion

... KEY MESSAGE 1... A ridge of high pressure is expected to maintain dry weather for much of the area through Thursday. The exception is Wednesday night, where a weak crossing shortwave and warm advection could result in a few showers north of Pittsburgh. The ridge should strengthen again on Thursday ahead of an approaching tro...