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Clinton Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
 |  |  | | | | | |  | | |
| Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1209 PM EDT Mon Sep 21 2026 
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Issued: 1233 PM EDT Mon Sep 21 2026
Key Messages
- Showers diminishing during the day today
- Damp and dreary today
- Much cooler temperatures for the first half of the week, gradually warming back to near normal levels by next weekend
Discussion
(Today through Sunday)... Issued at 258 AM EDT Mon Sep 21 2026
Early This Morning...
The surface front has moved south of central Indiana, but a couple of upper impulses along with a surface wave riding along the front are bringing enough forcing for numerous showers and some thunderstorms to move i...