Hourly Weather Forecast - Hartland, WI

12 AM
29°F
0%
1mph
NNE
Partly Cloudy
Humidity
83%
Feels like
29°F
Dew Point
24°F
1 AM
28°F
0%
2mph
ENE
Partly Cloudy
Humidity
84%
Feels like
28°F
Dew Point
24°F
2 AM
28°F
0%
2mph
E
Mostly Cloudy
Humidity
84%
Feels like
28°F
Dew Point
24°F
3 AM
28°F
0%
2mph
E
Cloudy
Humidity
82%
Feels like
28°F
Dew Point
23°F
4 AM
28°F
0%
2mph
ESE
Cloudy
Humidity
84%
Feels like
28°F
Dew Point
24°F
5 AM
28°F
0%
2mph
ESE
Cloudy
Humidity
88%
Feels like
28°F
Dew Point
25°F
6 AM
28°F
0%
3mph
ESE
Cloudy
Humidity
87%
Feels like
28°F
Dew Point
25°F
7 AM
29°F
0%
4mph
SE
Mostly Cloudy
Humidity
88%
Feels like
25°F
Dew Point
26°F
7:23 AM
8 AM
31°F
10%
5mph
SE
Mostly Cloudy
Humidity
88%
Feels like
27°F
Dew Point
28°F
9 AM
34°F
10%
6mph
SE
Mostly Cloudy
Humidity
86%
Feels like
28°F
Dew Point
30°F
10 AM
36°F
10%
6mph
SE
Mostly Cloudy
Humidity
82%
Feels like
31°F
Dew Point
31°F
11 AM
37°F
10%
6mph
SE
Cloudy
Humidity
77%
Feels like
32°F
Dew Point
31°F
12 PM
38°F
10%
6mph
SSE
Cloudy
Humidity
73%
Feels like
33°F
Dew Point
30°F
1 PM
38°F
20%
6mph
SSE
Cloudy
Humidity
71%
Feels like
34°F
Dew Point
30°F
2 PM
38°F
30%
6mph
SSE
30% Chance of Light Rain
Humidity
68%
Feels like
34°F
Dew Point
29°F
3 PM
38°F
30%
6mph
SSE
30% Chance of Light Rain
Humidity
69%
Feels like
34°F
Dew Point
29°F
4 PM
38°F
20%
5mph
SSE
Cloudy
Humidity
74%
Feels like
34°F
Dew Point
30°F
4:22 PM
5 PM
37°F
20%
4mph
SSE
Cloudy
Humidity
80%
Feels like
35°F
Dew Point
32°F
6 PM
38°F
20%
3mph
SSE
Cloudy
Humidity
87%
Feels like
38°F
Dew Point
34°F
7 PM
38°F
30%
2mph
SSE
30% Chance of Light Rain
Humidity
89%
Feels like
38°F
Dew Point
36°F
8 PM
39°F
30%
2mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
39°F
Dew Point
37°F
9 PM
40°F
20%
2mph
S
Cloudy
Humidity
89%
Feels like
40°F
Dew Point
37°F
10 PM
40°F
20%
2mph
SSW
Cloudy
Humidity
89%
Feels like
40°F
Dew Point
37°F
11 PM
41°F
20%
2mph
SSW
Cloudy
Humidity
89%
Feels like
41°F
Dew Point
38°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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