San Pierre, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Pierre, a community in Starke County, Indiana.
Tonight
59°F
Partly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 59. East wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for San Pierre
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 26% |
| Saturday | 79°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SE | 77% |
| Saturday Night | 65°F | Showers And Thunderstorms | 5 mph SW | 75% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 69% |
| Sunday Night | 54°F | Showers And Thunderstorms Likely | 10 mph NE | 66% |
| Monday | 67°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 60% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Tuesday | 66°F | Slight Chance Rain Showers | 10 mph NE | 23% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 23% |
| Wednesday | 68°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Thursday | 70°F | Partly Sunny | 5 to 10 mph N | 4% |
| Thursday Night | 51°F | Mostly Cloudy | 5 mph N | 4% |
| Friday | 72°F | Mostly Sunny | 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for San Pierre (41.199, -86.891). Updated through the day.
Growing snapshot for San Pierre
Last spring frost
Apr 25
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
5b
More local growing data for San Pierre: nearby ZIP 46374 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wheatfield, In (8.3 mi from San Pierre). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.