Donaldson, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Donaldson, a community in Marshall County, Indiana.
Today
82°F
Sunny
Sunny, with a high near 82. South wind 0 to 5 mph.
7-day forecast for Donaldson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 0 to 5 mph S | 0% |
| Tonight | 61°F | Mostly Clear | 0 to 5 mph S | 0% |
| Wednesday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 16% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 78% |
| Thursday | 79°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 78% |
| Thursday Night | 63°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 66% |
| Friday | 81°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 18% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 18% |
| Saturday | 83°F | Mostly Sunny | 0 to 5 mph SW | 12% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 18% |
| Sunday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph SW | 18% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Monday | 85°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 45% |
Forecast source: National Weather Service (api.weather.gov) for Donaldson (41.362, -86.444). Updated through the day.
Growing snapshot for Donaldson
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
178 days
Hardiness zone
6a
More local growing data for Donaldson: nearby ZIP 46513 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Plymouth, In (6.1 mi from Donaldson). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.