Old Plains, PA Weather Forecast

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Old Plains, PA Weather Forecast

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Old Plains PA weather  - Clear - 55°F
Clear
55°F
Updated 4:13 am
Feels Like 58°F
Humidity 93%
Wind N 0 mph
Barometer  30.01 in
Dew Point 53°F
Old Plains PA weather  - Clear - 13°C
Clear
13°C
Updated 4:13 am
Feels Like 14°C
Humidity 93%
Wind N 0 km/h
Barometer  101.6 kPa
Dew Point 12°C

Old Plains Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Old Plains, PA Weather - Tonight Mostly Clear Old Plains, PA Weather - Tuesday Isolated Showers Old Plains, PA Weather - Tuesday Night Mostly Clear Old Plains, PA Weather - Wednesday Sunny Old Plains, PA Weather - Wednesday Night Chance Of Showers Old Plains, PA Weather - Thursday Chance Of T-Storm Old Plains, PA Weather - Thursday Night Chance Of T-Storm Old Plains, PA Weather - Friday Chance Of Showers Old Plains, PA Weather - Friday Night Chance Of Showers Old Plains, PA Weather - Saturday Sunny Old Plains, PA Weather - Saturday Night Partly Cloudy Old Plains, PA Weather - Sunday Mostly Sunny
Mostly Clear Isolated Showers Mostly Clear Sunny Chance of Showers Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Sunny Partly Cloudy Mostly Sunny
Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
Lo: 59°FLo: 15°C Hi: 81°FHi: 27°C
Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
POP: 20% POP: 40% POP: 90% POP: 90% POP: 30% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Mon Aug 24 2026 Old Plains, PA Weather - WeatherWorld.com

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Old Plains Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 215 AM EDT Tue Aug 25 2026

Key Messages

1. High pressure will slowly build towards the region through Wednesday.

2. A warm front on Thursday will bring the next chance for widespread rain.

3. A cold front is expected to follow close behind on Friday.


Discussion

... KEY MESSAGE 1...High pressure will slowly build towards the region through Wednesday.

High pressure is expected to slowly build towards the region. However, the main mid and upper level low is still relatively close - currently centered over Quebec. An embedded short...