Hourly Weather Forecast - Hartland, WI

12 AM
41°F
20%
2mph
SW
Cloudy
Humidity
90%
Feels like
41°F
Dew Point
38°F
1 AM
41°F
10%
2mph
SW
Cloudy
Humidity
90%
Feels like
41°F
Dew Point
39°F
2 AM
42°F
10%
2mph
SW
Cloudy
Humidity
90%
Feels like
42°F
Dew Point
39°F
3 AM
42°F
10%
2mph
SW
Cloudy
Humidity
88%
Feels like
42°F
Dew Point
39°F
4 AM
42°F
10%
2mph
SSW
Cloudy
Humidity
88%
Feels like
42°F
Dew Point
39°F
5 AM
42°F
10%
2mph
SSW
Cloudy
Humidity
92%
Feels like
42°F
Dew Point
40°F
6 AM
42°F
10%
2mph
SSW
Cloudy
Humidity
90%
Feels like
42°F
Dew Point
40°F
7 AM
43°F
10%
3mph
SSW
Cloudy
Humidity
91%
Feels like
43°F
Dew Point
40°F
7:23 AM
8 AM
44°F
10%
4mph
SSW
Cloudy
Humidity
92%
Feels like
42°F
Dew Point
42°F
9 AM
46°F
10%
4mph
SSW
Cloudy
Humidity
92%
Feels like
44°F
Dew Point
44°F
10 AM
47°F
10%
5mph
SSW
Cloudy
Humidity
90%
Feels like
45°F
Dew Point
45°F
11 AM
49°F
10%
5mph
SSW
Cloudy
Humidity
86%
Feels like
47°F
Dew Point
45°F
12 PM
50°F
10%
6mph
SW
Cloudy
Humidity
84%
Feels like
48°F
Dew Point
45°F
1 PM
50°F
10%
6mph
SW
Mostly Cloudy
Humidity
84%
Feels like
47°F
Dew Point
45°F
2 PM
49°F
10%
6mph
SW
Mostly Cloudy
Humidity
85%
Feels like
47°F
Dew Point
45°F
3 PM
48°F
10%
6mph
SW
Mostly Cloudy
Humidity
87%
Feels like
46°F
Dew Point
45°F
4 PM
48°F
20%
6mph
SW
Partly Cloudy
Humidity
88%
Feels like
45°F
Dew Point
44°F
4:23 PM
5 PM
47°F
20%
6mph
WSW
Partly Cloudy
Humidity
86%
Feels like
45°F
Dew Point
44°F
6 PM
48°F
20%
6mph
WSW
Mostly Cloudy
Humidity
84%
Feels like
45°F
Dew Point
44°F
7 PM
48°F
20%
6mph
WSW
Partly Cloudy
Humidity
85%
Feels like
46°F
Dew Point
44°F
8 PM
48°F
20%
6mph
WSW
Partly Cloudy
Humidity
87%
Feels like
45°F
Dew Point
44°F
9 PM
47°F
20%
6mph
WSW
Partly Cloudy
Humidity
88%
Feels like
44°F
Dew Point
44°F
10 PM
46°F
10%
6mph
WSW
Partly Cloudy
Humidity
91%
Feels like
43°F
Dew Point
44°F
11 PM
45°F
10%
6mph
W
Partly Cloudy
Humidity
94%
Feels like
42°F
Dew Point
43°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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