Petersburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Petersburg, a city in Pike County, Indiana.
This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 63 in the afternoon. West southwest wind 9 to 13 mph, with gusts as high as 18 mph.
7-day forecast for Petersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Cloudy | 9 to 13 mph WSW | 1% |
| Tonight | 47°F | Mostly Cloudy | 2 to 8 mph SW | 0% |
| Thursday | 65°F | Sunny | 3 to 12 mph SW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 1 to 5 mph W | 0% |
| Friday | 57°F | Mostly Cloudy | 2 to 12 mph NW | 1% |
| Friday Night | 34°F | Mostly Clear | 3 to 9 mph N | 0% |
| Saturday | 55°F | Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 31°F | Mostly Clear | 0 to 3 mph N | 0% |
| Sunday | 58°F | Sunny | 0 to 6 mph NW | 0% |
| Sunday Night | 33°F | Mostly Clear | 0 to 3 mph WNW | 0% |
| Monday | 63°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 37°F | Clear | 3 mph SW | 0% |
| Tuesday | 64°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 39°F | Mostly Clear | 2 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Petersburg (38.492, -87.281). Updated through the day.
Growing snapshot for Petersburg
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6b
More local growing data for Petersburg: nearby ZIP 47567 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Petersburg 61 Brg, In (2.1 mi from Petersburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.