Ottawa Weather Forecast
- 46
- 73
Sunny
- 50
- 73
Mostly Sunny
- 51
- 73
Mostly Sunny
- 58
- 74
Partly Sunny
- 63
- 74
Chance Rain Showers
- 61
- 75
Rain Showers Likely
- 56
- 70
Chance Rain Showers
Today 26 Sep Putnam
Partly cloudy with a 30 percent chance of Showers. Highs in the upper 60s.
Tonight 26 Sep Putnam
Clear. Lows in the mid 40s. North Winds 5 to 10 Mph.
Ottawa Temperature Statistics
September Temperature
Findlay, Findlay Airport (19.3 miles)
Lowest 14 September, 2026
51.1 °FAverage September
69.9 °FHighest 2 September, 2026
93 °F
Climate (2021–2026)
Findlay, Findlay Airport (19.3 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
54 °FAverage High 2021–2026
63.4 °F