Weather WorldChatham, OH Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Chatham Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 | |  | | |  |  |  | | | | |
| Showers | Chance of Showers | Chance of Showers | Showers | Showers Likely | Clearing | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy |
| Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C |
| POP: 70% | POP: 30% | POP: 50% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 748 PM EDT Mon Sep 21 2026 
Chatham Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Chatham Weather Map
Chatham Quick Facts
Chatham Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 750 PM EDT Mon Sep 21 2026
Key Messages
1) Below average temperatures and periodic rain showers will continue through Wednesday.
2) Dry and more seasonable weather will return by the end of the week into the weekend.
Discussion
... KEY MESSAGE 1... The latest radar and satellite imagery reveal a large area of clouds and generally light rain showers across the Upper Ohio Valley and Lower Great Lakes this afternoon, associated with a surface trough ahead of a broad upper-level feature to the west across the Upper Midwest. Surfa...