Harwick, PA Weather Forecast
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Harwick Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Clear | Mostly Sunny | Clear | Isolated Showers | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°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 |
| POP: 20% | POP: 70% | POP: 70% | POP: 30% | POP: 40% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 PM EDT Mon Sep 14 2026 

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Issued: 718 PM EDT Mon Sep 14 2026
Key Messages
1) Dry through Tuesday night
2) Warmer and more humid with shower and thunderstorm chances returning Wednesday and Thursday
3) Active pattern this weekend into early next week
Discussion
... KEY MESSAGE 1... High pressure will maintain dry weather through Tuesday night as it tracks east across the region. Some patchy river valley fog is possible tonight as temperatures drop into the mid 40s to around 50. As the high shifts east Tuesday, wind will veer to the south as 500mb heights rise. ...
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