Hourly Weather Forecast - Hartland, WI

12 AM
34°F
0%
4mph
SW
Mostly Cloudy
Humidity
88%
Feels like
31°F
Dew Point
31°F
1 AM
34°F
0%
4mph
SW
Mostly Cloudy
Humidity
91%
Feels like
31°F
Dew Point
32°F
2 AM
34°F
0%
4mph
WSW
Mostly Cloudy
Humidity
94%
Feels like
31°F
Dew Point
32°F
3 AM
33°F
0%
4mph
WSW
Mostly Cloudy
Humidity
95%
Feels like
30°F
Dew Point
32°F
4 AM
33°F
0%
4mph
WSW
Mostly Cloudy
Humidity
97%
Feels like
29°F
Dew Point
32°F
5 AM
32°F
0%
4mph
W
Foggy
Humidity
100%
Feels like
28°F
Dew Point
32°F
6 AM
32°F
0%
4mph
W
Foggy
Humidity
100%
Feels like
28°F
Dew Point
32°F
7 AM
32°F
0%
4mph
WNW
Partly Cloudy
Humidity
97%
Feels like
28°F
Dew Point
32°F
7:22 AM
8 AM
34°F
0%
5mph
WNW
Partly Cloudy
Humidity
95%
Feels like
30°F
Dew Point
33°F
9 AM
36°F
0%
5mph
WNW
Hazy
Humidity
91%
Feels like
31°F
Dew Point
33°F
10 AM
37°F
0%
6mph
WNW
Mostly Sunny
Humidity
85%
Feels like
33°F
Dew Point
33°F
11 AM
38°F
0%
6mph
WNW
Mostly Sunny
Humidity
79%
Feels like
33°F
Dew Point
32°F
12 PM
39°F
0%
6mph
WNW
Mostly Sunny
Humidity
74%
Feels like
34°F
Dew Point
31°F
1 PM
38°F
0%
6mph
WNW
Mostly Sunny
Humidity
72%
Feels like
34°F
Dew Point
30°F
2 PM
38°F
0%
6mph
WNW
Mostly Sunny
Humidity
70%
Feels like
33°F
Dew Point
29°F
3 PM
37°F
0%
6mph
WNW
Partly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
28°F
4 PM
35°F
0%
5mph
WNW
Partly Cloudy
Humidity
74%
Feels like
31°F
Dew Point
28°F
4:22 PM
5 PM
34°F
0%
4mph
WNW
Partly Cloudy
Humidity
77%
Feels like
30°F
Dew Point
27°F
6 PM
33°F
0%
4mph
NW
Mostly Cloudy
Humidity
80%
Feels like
29°F
Dew Point
27°F
7 PM
31°F
0%
3mph
NW
Mostly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
27°F
8 PM
31°F
0%
2mph
NW
Mostly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
26°F
9 PM
30°F
0%
2mph
NNW
Mostly Cloudy
Humidity
83%
Feels like
30°F
Dew Point
25°F
10 PM
29°F
0%
2mph
NNW
Mostly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
25°F
11 PM
29°F
0%
1mph
N
Partly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
24°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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