Weather World
Borough of Clark, PAClark, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Clark Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | | | | |  |  | | |
| Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers Likely | Showers Likely | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C |
| POP: 70% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 60% | POP: 60% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 AM EDT Sun Sep 13 2026 
Clark Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Clark Weather Map
Clark Quick Facts
Clark Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 718 AM EDT Sun Sep 13 2026
Key Messages
1) Showers will decrease in coverage through the predawn hours, with lingering low clouds and fog
2) Severe thunderstorms still possible Sunday afternoon and evening with a cold front, but the level of the threat is uncertain
3) A brief bout of dry weather returns early next week
Discussion
... KEY MESSAGE 1... Showers have continued to generate into the predawn hours thanks to upper divergence associated with a crossing shortwave trough, plus precipitable water values lingering in the 1...