Hourly Weather Forecast - Arnold, MD

12 AM
29°F
0%
6mph
NW
Clear
Humidity
52%
Feels like
22°F
Dew Point
13°F
1 AM
28°F
0%
6mph
NW
Clear
Humidity
52%
Feels like
22°F
Dew Point
13°F
2 AM
28°F
0%
5mph
NW
Clear
Humidity
54%
Feels like
22°F
Dew Point
13°F
3 AM
27°F
0%
5mph
WNW
Clear
Humidity
55%
Feels like
22°F
Dew Point
13°F
4 AM
27°F
0%
4mph
WNW
Clear
Humidity
57%
Feels like
22°F
Dew Point
14°F
5 AM
27°F
0%
4mph
WNW
Clear
Humidity
59%
Feels like
22°F
Dew Point
14°F
6 AM
27°F
0%
3mph
WNW
Clear
Humidity
60%
Feels like
27°F
Dew Point
15°F
7 AM
27°F
0%
3mph
W
Clear
Humidity
60%
Feels like
27°F
Dew Point
15°F
7:20 AM
8 AM
29°F
0%
3mph
W
Sunny
Humidity
60%
Feels like
25°F
Dew Point
17°F
9 AM
30°F
0%
3mph
SW
Sunny
Humidity
60%
Feels like
27°F
Dew Point
18°F
10 AM
32°F
0%
4mph
SW
Sunny
Humidity
59%
Feels like
28°F
Dew Point
19°F
11 AM
33°F
10%
4mph
SSW
Mostly Sunny
Humidity
59%
Feels like
30°F
Dew Point
20°F
12 PM
35°F
10%
5mph
SSW
Partly Cloudy
Humidity
58%
Feels like
31°F
Dew Point
21°F
1 PM
36°F
10%
5mph
SSW
Partly Cloudy
Humidity
58%
Feels like
32°F
Dew Point
23°F
2 PM
37°F
10%
5mph
SSW
Mostly Cloudy
Humidity
59%
Feels like
33°F
Dew Point
24°F
3 PM
37°F
10%
5mph
S
Partly Cloudy
Humidity
60%
Feels like
33°F
Dew Point
25°F
4 PM
37°F
10%
5mph
S
Partly Cloudy
Humidity
64%
Feels like
32°F
Dew Point
26°F
4:46 PM
5 PM
36°F
10%
5mph
S
Partly Cloudy
Humidity
67%
Feels like
31°F
Dew Point
26°F
6 PM
35°F
10%
5mph
S
Partly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
26°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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