Seyfert, PA Weather Forecast
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Seyfert Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear |
| Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 618 AM EDT Mon Oct 19 2026 

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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 620 AM EDT Mon Oct 19 2026
Key Messages
1. The Frost Advisory is no longer in effect.
2. A nor`easter developing off the coast of the southern Mid- Atlantic is expected to bring coastal impacts and create hazardous marine conditions through at least the middle of this week.
3. A prolonged period of onshore flow will lead to multiple elevated high tide cycles this week resulting in rounds of coastal flooding.
Discussion
... KEY MESSAGE 1...The Frost Advisory is no longer in effect.
Temperatures are generally in the upper 30s, an...
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