Petersburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Petersburg, a city in Pike County, Indiana.
This Afternoon
85°F
Sunny
Sunny. High near 85, with temperatures falling to around 83 in the afternoon. Northeast wind around 3 mph.
7-day forecast for Petersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Sunny | 3 mph NE | 0% |
| Tonight | 63°F | Mostly Clear | 3 mph ENE | 0% |
| Wednesday | 87°F | Sunny | 2 mph WSW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 2 mph S | 2% |
| Thursday | 85°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SSW | 22% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 3 mph S | 45% |
| Friday | 85°F | Chance Showers And Thunderstorms | 1 to 6 mph SSW | 47% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 52% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SSW | 23% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph SSW | 17% |
| Sunday Night | 73°F | Mostly Clear then Slight Chance Rain Showers | 6 mph SSW | 15% |
| Monday | 90°F | Slight Chance Rain Showers then Sunny | 5 to 12 mph SSW | 15% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms | 10 mph SSW | 17% |
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 Aug 4, 2026.