St. Paul, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Paul, a town in Decatur County, Indiana.
Today
83°F
Sunny
Sunny. High near 83, with temperatures falling to around 81 in the afternoon. Northeast wind around 2 mph.
7-day forecast for St. Paul
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 mph NE | 0% |
| Tonight | 62°F | Mostly Clear | 2 mph NE | 0% |
| Wednesday | 85°F | Sunny | 2 mph N | 0% |
| Wednesday Night | 66°F | Mostly Clear | 2 mph SSE | 3% |
| Thursday | 85°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph SSW | 32% |
| Thursday Night | 68°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph SSW | 64% |
| Friday | 84°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 5 mph SSW | 60% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 59% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 26% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SSW | 26% |
| Sunday | 87°F | Mostly Sunny | 2 to 7 mph SSW | 14% |
| Sunday Night | 70°F | Partly Cloudy | 6 mph SSW | 14% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph SW | 19% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SW | 29% |
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 Aug 4, 2026.