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St. Trinity School Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | |  | | | | | |  | |
| Partly Cloudy | Mostly Sunny | Patchy Fog | Patchy Fog | Clear | Mostly Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy |
| Hi: 45°FHi: 7°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 300 AM EDT Tue Oct 20 2026 
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Issued: 433 AM EDT Tue Oct 20 2026
Key Messages
- Dry weather with mild afternoon highs and cool morning lows will persist into the weekend.
Aviation
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Satellite imagery and in-situ observations highlight expansion of shallow fog expanding from the Saginaw Bay inland due to moisture advection from northeast flow coupled with light winds and clear skies. Fog is holding just north of KMBS but a southward expansion remains possible prior to daybreak which would bring visibility restrictions down to IFR-LIFR. Hi-res model output also hig...