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Cornish Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Partly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy |
| Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 801 AM EDT Wed Oct 28 2026 
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Issued: 702 AM EDT Wed Oct 28 2026
Key Messages
1. High pressure continues to dominate the weather for the week. Expect dry conditions and no significant weather impacts.
Discussion
... KEY MESSAGE 1 DESCRIPTION... High pressure slides offshore today and the resulting return flow will bring slightly warmer temperatures and dewpoints to the region. Temperatures warm into the low to mid-50s areawide with some upper 40s in the far north. Heating looks to get impeded by a shortwave bringing an increase in cloud cover during the afternoo...