Pittsburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pittsburg, a community in Carroll County, Indiana.
Tonight
47°F
Cloudy
Cloudy. Low around 47, with temperatures rising to around 49 overnight. Southwest wind 7 to 12 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Pittsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Cloudy | 7 to 12 mph SW | 6% |
| Thursday | 59°F | Mostly Cloudy | 9 to 16 mph SW | 5% |
| Thursday Night | 42°F | Chance Light Rain | 3 to 8 mph WNW | 44% |
| Friday | 52°F | Slight Chance Light Rain | 7 to 12 mph NNW | 18% |
| Friday Night | 34°F | Partly Cloudy | 3 to 10 mph NW | 10% |
| Saturday | 53°F | Mostly Sunny | 3 to 7 mph NW | 1% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Sunday | 59°F | Sunny | 2 to 10 mph W | 1% |
| Sunday Night | 32°F | Mostly Clear | 1 to 6 mph W | 1% |
| Monday | 62°F | Sunny | 1 to 7 mph WSW | 0% |
| Monday Night | 37°F | Clear | 6 mph SW | 0% |
| Tuesday | 63°F | Sunny | 6 mph W | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 3 mph NW | 2% |
| Veterans Day | 63°F | Mostly Sunny | 0 to 3 mph NW | 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 Nov 5, 2026.