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Middletown Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Sunny | Chance of Showers |
| Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C |
| POP: 40% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 233 PM CDT Mon Sep 14 2026 
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Issued: 234 PM CDT Mon Sep 14 2026
Key Messages
- Unseasonably hot and humid weather is expected this week with heat index values reaching 105F+ on Tuesday mainly south of I-70.
- Scattered showers and thunderstorms are forecast on Tuesday. A few may be strong to marginally severe with gusty winds the main threat.
Aviation
/12Z TAFS THROUGH 18Z TUESDAY/... Issued at 1156 AM CDT Mon Sep 14 2026
A few showers continue to weaken near/east of the Mississippi River in far northeast Missouri into west-central Illinois. Dry/VFR conditions are t...