Harman US

Donaldson, IN Weather & Growing Conditions

Tonight
58°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 58. East wind 5 to 10 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 58°F Partly Cloudy then Slight Chance Showers And Thunderstorms 5 to 10 mph E 18%
Saturday 77°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 to 10 mph SE 83%
Saturday Night 64°F Chance Showers And Thunderstorms then Showers And Thunderstorms 5 mph S 86%
Sunday 74°F Showers And Thunderstorms 5 to 10 mph N 81%
Sunday Night 53°F Showers And Thunderstorms Likely 10 to 15 mph NE 60%
Monday 66°F Chance Showers And Thunderstorms 10 to 15 mph NE 54%
Monday Night 49°F Chance Rain Showers 10 to 15 mph NE 30%
Tuesday 66°F Slight Chance Rain Showers 10 to 15 mph NE 23%
Tuesday Night 50°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 23%
Wednesday 67°F Mostly Cloudy 5 to 10 mph NE 12%
Wednesday Night 51°F Mostly Cloudy 5 to 10 mph NE 9%
Thursday 70°F Partly Sunny 5 to 10 mph N 5%
Thursday Night 51°F Mostly Cloudy 5 to 10 mph N 4%
Friday 71°F Mostly Sunny 5 mph NE 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Donaldson, IN

Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
178 days
Hardiness zone
6a

Explore more for Donaldson, IN: full frost dates · planting calendar · Indiana frost dates

Climate data from the nearest NOAA station, Plymouth, In (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.