MacArthur, PA Weather Forecast

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MacArthur, PA Weather Forecast

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MacArthur PA weather  - Thunder - 66°F
Thunder
66°F
Updated 3:14 am
Feels Like 71°F
Humidity 93%
Wind N 0 mph
Barometer  29.93 in
Dew Point 64°F
MacArthur PA weather  - Thunder - 19°C
Thunder
19°C
Updated 3:14 am
Feels Like 22°C
Humidity 93%
Wind N 0 km/h
Barometer  101.4 kPa
Dew Point 18°C

MacArthur Weather Forecast

OVERNIGHT TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
MacArthur, PA Weather - Overnight Chance Of T-Storm MacArthur, PA Weather - Today Chance Of T-Storm MacArthur, PA Weather - Tonight Chance Of T-Storm MacArthur, PA Weather - Monday Chance Of Showers MacArthur, PA Weather - Monday Night Showers MacArthur, PA Weather - Tuesday Chance Of Showers MacArthur, PA Weather - Tuesday Night Showers MacArthur, PA Weather - Wednesday Showers MacArthur, PA Weather - Wednesday Night Showers MacArthur, PA Weather - Thursday Chance Of Showers MacArthur, PA Weather - Thursday Night Partly Cloudy MacArthur, PA Weather - Friday Mostly Sunny
Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Showers Chance of Showers Showers Showers Showers Chance of Showers Partly Cloudy Mostly Sunny
Lo: 65°FLo: 18°C Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C Hi: 65°FHi: 18°C
Lo: 51°FLo: 11°C Hi: 61°FHi: 16°C
Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
POP: 60% POP: 100% POP: 50% POP: 50% POP: 70% POP: 70% POP: 80% POP: 80% POP: 60% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 108 AM EDT Sun Sep 20 2026 MacArthur, PA Weather - WeatherWorld.com

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MacArthur Forecast Discussion

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Issued: 228 AM EDT Sun Sep 20 2026

Key Messages

1) Rain chances return today and continue into early next week. Longer duration rainfall totals could be high and lead to localized flooding and/or river rises

2) Much cooler temperatures arrive by mid-week


Discussion

... KEY MESSAGE 1... It seems another period of active and wet weather is upon the region. The upper pattern features a continued flatten ridge aloft over the eastern CONUS with another shortwave trough approaching the region. The patten sets up a storm track across the Mi...