Hartland Weather Forecast
- 21
- 33
Snow
- 23
- 30
Mostly Cloudy
- 29
- 38
Partly Sunny
- 25
- 43
Chance Rain/Snow
- 15
- 29
Chance Snow
- 19
- 26
Mostly Cloudy
Today 10 Jan Waukesha
Patchy fog in the morning. Light snow in the morning. Chance of light snow early in the Afternoon, then light snow late in the afternoon. Snow accumulation of 1 to 2 Inches. Highs in the lower 30s. West Winds up to 10 Mph increasing to 10 to 15 Mph with Gusts to around 30 Mph in the afternoon. Chance of snow near 100 percent.
Tonight 10 Jan Waukesha
Cloudy. Light Snow, possibly mixed with rain early in the morning. Little snow accumulation. Near steady temperature in the lower 30s. Southeast Winds up to 5 Mph. Chance of precipitation 80 percent.
Hartland Temperature Statistics
January Temperature
Waukesha County Airport (6.2 miles)
Lowest 1 January, 2026
8.6 °FAverage January
24.4 °FHighest 7 January, 2026
39.2 °F
Climate (2021–Present)
Waukesha County Airport (6.2 miles)
Average Low 2021–2026
38.3 °FAverage 2021–2026
45.8 °FAverage High 2021–2026
56.4 °F