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| OVERNIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | | | | | | | | | |
| Clear | Sunny | Partly Cloudy | Mostly Sunny | Clear | Sunny | Clear | Sunny | Partly Cloudy | Mostly Sunny | Clear | Sunny |
| Lo: 35°FLo: 2°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | |
POP = Probability of Precipitation.
Weather Outlook Updated: 1000 PM EDT Sun Oct 18 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 620 PM EDT Sun Oct 18 2026
Key Messages
1) Areas of frost tonight.
2) An extended period of dry and warmer weather begins this afternoon and likely lasts through the week.
Discussion
... KEY MESSAGE 1...Areas of frost tonight.
Warm air advection in the wake of a surface ridge tonight, will support 850 mb temperatures to climb into the upper single digits Celsius tonight. However, clear skies and light winds across the region will likely support frost formation to form, especially for areas outside of the northern Niagara Front...