Bourne Slough Weather Forecast
- 52
- 78
Mostly Sunny
- 59
- 87
Breezy
- 37
- 78
Chance Rain Showers
- 32
- 57
Breezy
- 30
- 54
Partly Sunny
- 33
- 55
Slight Chance Rain/Snow
Today 21 Apr Lake
null.
Tonight 21 Apr Lake
Mostly clear. Not as cool with Lows in the lower 40s. Northeast Winds around 5 Mph.
Bourne Slough Temperature Statistics
April Temperature
Madison Municipal Airport (2.5 miles)
Lowest 7 April, 2026
14 °FAverage April
42.4 °FHighest 16 April, 2026
84.2 °F
Climate (2021–Present)
Madison Municipal Airport (2.5 miles)
Average Low 2021–2026
37.3 °FAverage 2021–2026
47.7 °FAverage High 2021–2026
58.2 °F