Weather in Decatur, OH
Updated 2026-09-26 12:00 local time · ZIP codes 45115
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
65°1% rain69°1% rain71°0% rain72°0% rain72°0% rain72°1% rain69°1% rain65°2% rain
60°4% rain58°5% rain57°6% rain55°8% 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 8%).
It feels like 59°F with winds near 7 mph.
71°F, 0% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 65°F, wind 7 mph, rain chance up to 8%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Decatur
Ohio has four distinct seasons with humid summers and cold winters. Lake Erie can influence clouds, temperatures and snowfall across northern parts of the state.
Decatur is part of the Midwest weather region. The forecast point is near 38.82°N latitude and 83.70°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.
Decatur weather today
Sunny and 65°F in Decatur, OH. Today's high is 72°F with a 5% rain chance. Winds are around 7 mph with gusts near 10 mph. Relative humidity is 37%, pressure is 30.15 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Decatur
Sunrise is at 07:26 AM and sunset is at 07:26 PM. Tomorrow's forecast calls for Sunny with a high near 74°F and a low near 47°F. The maximum rain chance is 3%.