Calvin, PA Weather Forecast
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Calvin Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Patchy Fog | Patchy Fog | Sunny | Fog | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear |
| Hi: 60°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1200 PM EDT Sat Oct 24 2026 

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Issued: 105 PM EDT Sat Oct 24 2026
Key Messages
1) Dry forecast holds for the next 6-7 days
Discussion
... KEY MESSAGE 1: Dry forecast holds for the next 6-7 days
We don`t see any new evidence in our suite of model guidance to deviate away from our existing rain-free forecast.
A large high pressure system at the surface, along with a ridge axis aloft, will keep the Commonwealth rain-free through the early part of the upcoming work week. We do expect a cold front to drop southward across the region Monday night into early Tuesday, but ...
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