Westport Weather Forecast
- -8
- 6
Cold
- -1
- 7
Cold
- 10
- 25
Mostly Cloudy
- 26
- 35
Mostly Cloudy
- 27
- 41
Mostly Cloudy
- 11
- 38
Partly Sunny
Today 13 Dec Dane
Bitterly cold. Colder. Mostly cloudy until late afternoon then becoming mostly sunny. A 20 percent chance of snow Showers until late afternoon. Highs around 6. Northwest Winds 5 to 15 Mph. Wind chill Readings 12 below to 22 below zero.
Tonight 13 Dec Dane
Bitterly cold. Partly cloudy after midnight then becoming mostly cloudy. Lows around 3 below. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph. Wind chill Readings 11 below to 21 below zero.
Westport Temperature Statistics
December Temperature
Madison, Dane County Regional-Truax Field (3.7 miles)
Lowest 4 December, 2025
-2 °FAverage December
19.2 °FHighest 9 December, 2025
36 °F
Climate (2020–Present)
Madison, Dane County Regional-Truax Field (3.7 miles)
Average Low 2020–2025
39.9 °FAverage 2020–2025
49.6 °FAverage High 2020–2025
58.8 °F