Topeka, IN Weather Forecast
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| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Chance of Showers | Partly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 428 AM EDT Mon Sep 21 2026 

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Issued: 237 AM EDT Mon Sep 21 2026
Key Messages
- Drier weather ahead the next 7 days, though cannot rule out a few pockets of light showers and sprinkles today into Tuesday.
- Below normal temperatures through the end of the week.
Discussion
... Issued at 237 AM EDT Mon Sep 21 2026
Overall trend through the week will be for below normal temperatures and primarily dry conditions within low level east-northeast flow on the southern fringes of an expansive northern Great Lakes high pressure system. Still can`t rule out sporadic pockets of ...
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