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Pittsburg, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Pittsburg, a community in Carroll County, Indiana.

This Afternoon
82°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Cloudy, with a high near 82. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Pittsburg

WhenTempForecastWindPrecip
This Afternoon 82°F Showers And Thunderstorms Likely 6 mph SE 73%
Tonight 67°F Chance Showers And Thunderstorms 5 mph S 42%
Sunday 78°F Chance Showers And Thunderstorms 2 to 9 mph NNW 71%
Sunday Night 56°F Showers And Thunderstorms Likely 13 mph NE 66%
Monday 67°F Showers And Thunderstorms Likely 14 mph ENE 57%
Monday Night 51°F Chance Rain Showers 10 to 15 mph NE 29%
Tuesday 66°F Slight Chance Rain Showers 10 to 14 mph NE 20%
Tuesday Night 52°F Slight Chance Rain Showers 7 to 13 mph NE 20%
Wednesday 67°F Slight Chance Rain Showers then Mostly Cloudy 9 mph NNE 15%
Wednesday Night 52°F Mostly Cloudy 5 to 9 mph NNE 11%
Thursday 69°F Partly Sunny 5 to 8 mph NNE 3%
Thursday Night 53°F Partly Cloudy 3 to 8 mph NNE 3%
Friday 72°F Mostly Sunny 3 to 8 mph NE 2%
Friday Night 51°F Mostly Clear 2 to 8 mph NE 2%

Forecast source: National Weather Service (api.weather.gov) for Pittsburg (40.596, -86.703). Updated through the day.

Growing snapshot for Pittsburg

Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
179 days
Hardiness zone
6a

More local growing data for Pittsburg: nearby ZIP 46923 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Delphi 2 N, In (1.4 mi from Pittsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.