Harman US

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.

This Afternoon
68°F
Isolated Rain Showers
Isolated rain showers before 4pm. Mostly cloudy. High near 68, with temperatures falling to around 62 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

7-day forecast for South Bend

WhenTempForecastWindPrecip
This Afternoon 68°F Isolated Rain Showers 15 mph SW 20%
Tonight 47°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph SW 16%
Thursday 56°F Chance Rain Showers 10 to 15 mph SW 36%
Thursday Night 40°F Rain Showers Likely 5 to 10 mph NW 67%
Friday 50°F Rain Showers Likely 5 to 15 mph NW 68%
Friday Night 35°F Chance Rain Showers 5 to 10 mph NW 50%
Saturday 51°F Partly Sunny 0 to 10 mph NW 8%
Saturday Night 31°F Partly Cloudy 0 to 5 mph W 1%
Sunday 55°F Sunny 5 to 10 mph W 4%
Sunday Night 34°F Mostly Clear 0 to 5 mph W 4%
Monday 59°F Sunny 0 to 10 mph SW 1%
Monday Night 39°F Mostly Clear 5 to 10 mph SW 0%
Tuesday 60°F Sunny 5 to 10 mph W 0%
Tuesday Night 36°F Mostly Clear 0 to 5 mph NW 2%

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

All Indiana locations ›

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 Nov 4, 2026.