Weather in Grantsburg, IN
Updated 2026-09-26 12:00 local time · ZIP codes 47123
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
68°1% rain
72°9% rain74°9% rain75°8% rain76°9% rain75°9% rain73°9% rain69°10% rain
64°10% rain62°11% rain60°11% rain59°14% 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 14%).
It feels like 64°F with winds near 5 mph.
68°F, 1% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 68°F, wind 5 mph, rain chance up to 14%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Grantsburg
Indiana has a humid continental-to-subtropical transition, with warm humid summers, cold winters and frequent changes as weather systems move through the Midwest.
Grantsburg is part of the Midwest weather region. The forecast point is near 38.29°N latitude and 86.47°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.
Grantsburg weather today
Sunny and 68°F in Grantsburg, IN. Today's high is 76°F with a 8% rain chance. Winds are around 5 mph with gusts near 7 mph. Relative humidity is 37%, pressure is 30.15 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grantsburg
Sunrise is at 07:37 AM and sunset is at 07:37 PM. Tomorrow's forecast calls for Overcast with a high near 75°F and a low near 51°F. The maximum rain chance is 10%.