South Bend, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Bend, a city in St. Joseph County, Indiana.
Overnight
58°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4am. Mostly cloudy. Low around 58, with temperatures rising to around 64 overnight. East wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for South Bend
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Chance Showers And Thunderstorms | 10 mph E | 31% |
| Saturday | 76°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SE | 85% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph S | 88% |
| Sunday | 73°F | Rain Showers | 5 to 10 mph N | 75% |
| Sunday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Monday | 66°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Monday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 15% |
| Tuesday | 66°F | Partly Sunny then Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 50°F | Slight Chance Rain Showers | 5 to 15 mph NE | 20% |
| Wednesday | 67°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 16% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 10% |
| Thursday | 71°F | Partly Sunny | 5 to 10 mph N | 5% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 10 mph NE | 4% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for South Bend (41.677, -86.269). Updated through the day.
Growing snapshot for South Bend
Last spring frost
Apr 23
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6a
More local growing data for South Bend: nearby ZIP 46601 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Ardmore
Chain-O-Lakes
Gilmer Park
Granger
Indian Village
Lakeville
Mishawaka
New Carlisle
North Liberty
Notre Dame
Osceola
Roseland
Wyatt
Climate data from the nearest NOAA station, S Bend, In (2.1 mi from South Bend). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.