Petroleum, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Petroleum, a community in Wells County, Indiana.
Tonight
48°F
Mostly Cloudy
Mostly cloudy, with a low around 48. Southwest wind 5 to 10 mph.
7-day forecast for Petroleum
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Cloudy | 5 to 10 mph SW | 10% |
| Thursday | 61°F | Mostly Cloudy | 10 to 15 mph SW | 7% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 10 mph W | 46% |
| Friday | 54°F | Chance Rain Showers | 5 to 10 mph NW | 30% |
| Friday Night | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 15% |
| Saturday | 53°F | Partly Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 30°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 57°F | Sunny | 0 to 10 mph W | 0% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 38°F | Clear | 5 mph SW | 0% |
| Tuesday | 63°F | Sunny | 5 to 10 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph NW | 2% |
| Veterans Day | 61°F | Mostly Sunny | 0 to 5 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Petroleum (40.613, -85.153). Updated through the day.
Growing snapshot for Petroleum
Last spring frost
Apr 23
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
6a
More local growing data for Petroleum: nearby ZIP 46778 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Bluffton
Craigville
Keystone
Liberty Center
Markle
Ossian
Poneto
Tocsin
Uniondale
Vera Cruz
Zanesville
Climate data from the nearest NOAA station, Berne Wwtp, In (13 mi from Petroleum). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.