St. Paul, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Paul, a town in Decatur County, Indiana.
This Afternoon
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. North northwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for St. Paul
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Chance Showers And Thunderstorms | 5 mph NNW | 45% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph SSE | 33% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph WSW | 21% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 9 mph NNE | 64% |
| Monday | 74°F | Chance Showers And Thunderstorms | 8 to 12 mph ENE | 52% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 52% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 40% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 40% |
| Wednesday | 71°F | Chance Showers And Thunderstorms | 7 mph NNE | 38% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 8 mph NNE | 36% |
| Thursday | 72°F | Mostly Cloudy | 3 to 7 mph NNE | 9% |
| Thursday Night | 56°F | Mostly Cloudy | 3 to 7 mph NNE | 6% |
| Friday | 74°F | Partly Sunny | 3 to 8 mph NNE | 6% |
| Friday Night | 54°F | Partly Cloudy | 3 to 8 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for St. Paul (39.428, -85.629). Updated through the day.
Growing snapshot for St. Paul
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
194 days
Hardiness zone
6b
More local growing data for St. Paul: nearby ZIP 47272 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Adams
Andersonville
Burney
Clarksburg
Greensburg
Lake Santee
Letts
Milford
Millhousen
New Point
Sardinia
St. Omer
Westport
Climate data from the nearest NOAA station, Greensburg, In (8.3 mi from St. Paul). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.