Petersburg, OH Weather & Growing Conditions
This Afternoon
76°F
Slight Chance Rain Showers
A slight chance of rain showers before 2pm. Mostly cloudy, with a high near 76. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Slight Chance Rain Showers | 5 mph E | 18% |
| Tonight | 62°F | Showers And Thunderstorms Likely | 6 mph SE | 58% |
| Sunday | 75°F | Showers And Thunderstorms | 7 mph SW | 92% |
| Sunday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 8 mph N | 46% |
| Monday | 66°F | Mostly Cloudy then Chance Rain Showers | 9 mph NE | 26% |
| Monday Night | 51°F | Chance Rain Showers | 9 mph NE | 53% |
| Tuesday | 62°F | Chance Rain Showers | 8 to 12 mph E | 53% |
| Tuesday Night | 50°F | Rain Showers Likely | 13 to 16 mph E | 62% |
| Wednesday | 62°F | Rain Showers Likely | 15 mph E | 62% |
| Wednesday Night | 50°F | Showers And Thunderstorms Likely | 10 to 15 mph E | 62% |
| Thursday | 65°F | Showers And Thunderstorms Likely | 10 mph E | 61% |
| Thursday Night | 49°F | Slight Chance Rain Showers | 5 to 8 mph E | 21% |
| Friday | 68°F | Slight Chance Rain Showers | 8 mph NE | 16% |
| Friday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 7 mph NE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Petersburg, OH
Last spring frost
Apr 30
First fall frost
Oct 23
Growing season
175 days
Hardiness zone
6a
Explore more for Petersburg, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, New Castle 1 N, Pa (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.