Donaldson, IN Weather Forecast
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Donaldson Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Patchy Drizzle | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear |
| Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°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 | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1113 AM EDT Wed Sep 23 2026 

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Issued: 617 AM EDT Wed Sep 23 2026
Key Messages
- Extended stretch of seasonably cool conditions will persist through the weekend before temperatures warm into the 70s between early and midweek next week.
- Some pockets of light rain and drizzle possible (20-40%) mainly south of US-24 today with totals struggling to reach 0.25".
- Dry Thursday through this weekend.
- There is a Moderate Swim Risk through this evening for northern La Porte County.
Discussion
... Issued at 239 AM EDT Wed Sep 23 2026
As the upper low overhead slowly slides sout...
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