St. Joseph County weather, town by town
15 places in St. Joseph County, Indiana, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1893 to 2026. Station extremes, not official state records.
St. Joseph County Weather Facts
St. Joseph County has 15 places on myweatherrock (7 towns, 6 census-designated places, 2 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 111°F at Goshen 3Sw on July 14, 1936. The coldest night is -25°F at Goshen 3Sw on January 25, 1922. The wettest day brought 7.69 inches of rain at S Bend Ap on August 15, 2016. The biggest single-day snow measured 25.98 inches at S Bend Ap on January 8, 2011. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is South Bend, about 42 square miles.
About St. Joseph County weather
The map on the Now tab shows every St. Joseph County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 15 St. Joseph County towns with station normals, the warmest month is July, when the day usually reaches 83°F, and the coldest is January, when the night usually falls to 17°F. January is the wettest, with rain on about 15 days. January nights run from about 15°F in Gilmer Park to 18°F in Ardmore.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
St. Joseph County weather records
Measured at the NOAA stations serving these towns, daily records 1893 to 2026. Station extremes, not official state records.
Common questions about St. Joseph County weather
- What is the hottest temperature recorded at a St. Joseph County station?
- 111°F at Goshen 3Sw on July 14, 1936, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a St. Joseph County station?
- -25°F at Goshen 3Sw on January 25, 1922.
- What is the most rain a St. Joseph County station has measured in one day?
- 7.69 inches at S Bend Ap on August 15, 2016.
- What is the biggest one-day snowfall at a St. Joseph County station?
- 25.98 inches at S Bend Ap on January 8, 2011.
- How many St. Joseph County towns have a weather page here?
- 15: 7 towns, 6 census-designated places, 2 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the St. Joseph County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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