Weather in Ottawa, OH
Updated 2026-08-11 11:15 local time · ZIP codes 45875
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
77°12% rain85°9% rain
81°17% rain
81°15% rain82°14% rain
81°11% rain
69°88% rain
72°79% rain
75°38% rain71°14% rain
70°19% rain69°19% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance reaches about 88% over the next 12 hours.
It feels like 83°F with winds near 6 mph.
71°F, 14% rain chance and 6 mph wind.
Visibility is around 5 mi; gusts may reach 52 mph.
Current temperature is 77°F, wind 6 mph, rain chance up to 88%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Ottawa weather today
Sunny and 77°F in Ottawa, OH. Today's high is 85°F with a 84% rain chance. Winds are around 6 mph with gusts near 9 mph. Relative humidity is 85%, pressure is 29.95 inHg, and visibility is about 5 miles.
Tonight and tomorrow in Ottawa
Sunrise is at 06:42 AM and sunset is at 08:40 PM. Tomorrow's forecast calls for Mist with a high near 77°F and a low near 63°F. The maximum rain chance is 87%.