Slack, PA Weather Forecast

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Slack, PA Weather Forecast

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Slack PA weather  - Clear - 50°F
Clear
50°F
Updated 2:56 am
Feels Like 48°F
Humidity 68%
Wind VRB 6 mph
Barometer  30.4 in
Dew Point 40°F
Slack PA weather  - Clear - 10°C
Clear
10°C
Updated 2:56 am
Feels Like 9°C
Humidity 68%
Wind VRB 10 km/h
Barometer  102.9 kPa
Dew Point 4°C

Slack Weather Forecast

TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
Slack, PA Weather - Tonight Mostly Clear Slack, PA Weather - Thursday Mostly Sunny Slack, PA Weather - Thursday Night Mostly Cloudy Slack, PA Weather - Friday Chance Of Showers Slack, PA Weather - Friday Night Chance Of Showers Slack, PA Weather - Saturday Chance Of Showers Slack, PA Weather - Saturday Night Chance Of Showers Slack, PA Weather - Sunday Chance Of Showers Slack, PA Weather - Sunday Night Mostly Cloudy Slack, PA Weather - Monday Partly Sunny Slack, PA Weather - Monday Night Partly Cloudy Slack, PA Weather - Tuesday Mostly Sunny
Mostly Clear Mostly Sunny Mostly Cloudy Chance of Showers Chance of Showers Chance of Showers Chance of Showers Chance of Showers Mostly Cloudy Partly Sunny Partly Cloudy Mostly Sunny
Lo: 50°FLo: 10°C Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
POP: 30% POP: 40% POP: 40% POP: 50% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Wed Sep 23 2026 Slack, PA Weather - WeatherWorld.com

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Meteorlogic Glosserator
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Issued: 152 AM EDT Thu Sep 24 2026

Key Messages

1. Low pressure developing well off the North Carolina coast tonight will deepen and move north towards New England this weekend.

2. Multiple rounds of significant tidal flooding expected into this weekend. Coastal Flood Warnings and Advisories remain in effect.

3. Dangerous rip currents and high surf are expected at the Jersey Shore and Delaware Beaches through the end of the week. Beach erosion is likely and spotty dune erosion is possible.


Discussion

... KEY MESSAGE 1...Low pressure d...