Ottawa Weather Forecast
- 65
- 83
Rain Showers Likely
- 65
- 81
Chance Thunderstorms
- 63
- 81
Chance Thunderstorms
- 68
- 83
Chance Rain Showers
- 66
- 85
Chance Thunderstorms
- 60
- 80
Slight Chance Rain Showers
- 61
- 80
Mostly Sunny
Today 12 Aug Putnam
Showers likely with a chance of Thunderstorms. Highs in the lower 80s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Tonight 12 Aug Putnam
Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Lows in the mid 60s. West Winds 5 to 10 Mph. Chance of rain 20 percent.
Ottawa Temperature Statistics
August Temperature
Findlay, Findlay Airport (19.3 miles)
Lowest 4 August, 2026
55.9 °FAverage August
72.9 °FHighest 8 August, 2026
87.1 °F
Climate (2021–2026)
Findlay, Findlay Airport (19.3 miles)
Average Low 2021–2026
44.6 °FAverage 2021–2026
54 °FAverage High 2021–2026
63.5 °F