Weather in Rensselaer, IN
Updated 2026-09-26 10:00 local time · ZIP codes 47978
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
59°2% rain
63°6% rain
66°9% rain
68°4% rain69°10% rain70°10% rain69°10% rain67°10% rain66°12% rain
63°12% rain61°12% rain
59°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 12%).
It feels like 54°F with winds near 6 mph.
68°F, 4% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 59°F, wind 6 mph, rain chance up to 12%.
UV index is 3.
Local weather characteristics in Rensselaer
Indiana has a humid continental-to-subtropical transition, with warm humid summers, cold winters and frequent changes as weather systems move through the Midwest.
Rensselaer is part of the Midwest weather region. The forecast point is near 40.94°N latitude and 87.15°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Rensselaer weather today
Sunny and 59°F in Rensselaer, IN. Today's high is 70°F with a 7% rain chance. Winds are around 6 mph with gusts near 8 mph. Relative humidity is 53%, pressure is 30.22 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Rensselaer
Sunrise is at 06:40 AM and sunset is at 06:39 PM. Tomorrow's forecast calls for Overcast with a high near 70°F and a low near 53°F. The maximum rain chance is 12%.