Weather in Waterloo, OH
Updated 2026-09-26 11:45 local time · ZIP codes 45688

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
59°3% rain
66°1% rain
68°1% rain
70°1% rain
70°1% rain
69°1% rain
67°2% rain
63°4% rain
59°6% rain
57°7% rain
56°8% rain
54°12% 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.
70°F, 1% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 59°F, wind 6 mph, rain chance up to 12%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Waterloo
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.
Waterloo is part of the Midwest weather region. The forecast point is near 38.70°N latitude and 82.47°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.
Waterloo weather today
Sunny and 59°F in Waterloo, OH. Today's high is 70°F with a 6% rain chance. Winds are around 6 mph with gusts near 11 mph. Relative humidity is 54%, pressure is 30.15 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Waterloo
Sunrise is at 07:21 AM and sunset is at 07:21 PM. Tomorrow's forecast calls for Sunny with a high near 71°F and a low near 48°F. The maximum rain chance is 6%.