Colusa Weather Forecast
- 63
- 90
Partly Sunny
- 64
- 90
Chance Rain Showers
- 62
- 81
Chance Rain Showers
- 62
- 84
Chance Rain Showers
- 63
- 84
Chance Rain Showers
- 61
- 83
Chance Rain Showers
- 58
- 82
Mostly Sunny
Today 17 Sep Hancock
Mostly sunny. Hot with Highs around 90. East Winds around 5 Mph.
Tonight 17 Sep Hancock
Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. East Winds around 5 Mph.
Colusa Temperature Statistics
September Temperature
Fort Madison Municipal Airport (9.9 miles)
Lowest 7 September, 2025
42.8 °FAverage September
67.2 °FHighest 13 September, 2025
96.8 °F
Climate (2020–Present)
Fort Madison Municipal Airport (9.9 miles)
Average Low 2020–2025
45.5 °FAverage 2020–2025
54.8 °FAverage High 2020–2025
64.3 °F