Mayfair, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Mayfair Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1122 AM CDT Sat Oct 24 2026 

Mayfair Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Mayfair Weather Map
Mayfair Quick Facts
Mayfair Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1219 PM CDT Sat Oct 24 2026
Key Messages
- Sunny, mild days and cool nights persist across central and southeast Illinois through the next week, with highs in the 70s and lows in the upper 40s to low 50s.
- Tranquil weather will continue for several more days, with the only meaningful chance of rain toward next weekend.
Discussion
... Issued at 150 AM CDT Sat Oct 24 2026
The blocking pattern continues over the eastern half of the United States. A low pressure system is moving well off to the north of central IL, up in Canada, this...
Weather World