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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.