Lake Ottawa Weather Forecast
- 36
- 58
Partly Sunny
- 53
- 67
Rain Showers Likely
- 53
- 67
Rain Showers Likely
- 48
- 71
Partly Sunny
- 48
- 70
Partly Sunny
- 55
- 74
Chance Thunderstorms
- 53
- 76
Chance Thunderstorms
Today 7 Sep Iron
Partly cloudy. Northwest Winds 5 to 10 Mph.
Tonight 7 Sep Iron
Mostly clear. Patchy frost after midnight. Lows in the upper 30s. Light southwest Winds.
Lake Ottawa Temperature Statistics
September Temperature
Land O' Lakes, Kings Land O' Lakes Airport (21.7 miles)
Lowest 5 September, 2025
40.1 °FAverage September
52.5 °FHighest 1 September, 2025
76.6 °F
Climate (2020–Present)
Land O' Lakes, Kings Land O' Lakes Airport (21.7 miles)
Average Low 2020–2025
30.6 °FAverage 2020–2025
42.4 °FAverage High 2020–2025
52.4 °F