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Nelliston Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT THROUGH VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | |  |  | |  |  | |
| Showers | Chance of Showers | Clearing | Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Rain and Snow | Rain and Snow |
| Hi: 49°FHi: 9°C | Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Hi: 55°FHi: 13°C Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C Lo: 29°FLo: -2°C |
| POP: 90% | POP: 90% | POP: 50% | POP: 60% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 730 AM EST Sat Nov 07 2026 
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Issued: 636 AM EST Sat Nov 7 2026
Key Messages
1) An upper level low will bring periods of rain to the region today into early Sunday though no hydrological impacts are expected.
2) Some additional light showers are expected next week as a series of disturbances pass through the area before a larger upper trough builds overhead later in the week.
Discussion
... KEY MESSAGE 1... Latest GOES Water Vapor imagery shows an upper level low (ULL) slowly approaching from the Great Lakes centered over southern Ontario. This low will continue...