Hourly Weather Forecast - Arnold, MD

12 AM
31°F
30%
1mph
SSW
30% Chance of Flurries
Humidity
88%
Feels like
31°F
Dew Point
28°F
1 AM
31°F
30%
1mph
SSW
30% Chance of Flurries
Humidity
90%
Feels like
31°F
Dew Point
28°F
2 AM
31°F
20%
1mph
SW
Mostly Cloudy
Humidity
92%
Feels like
31°F
Dew Point
29°F
3 AM
31°F
10%
1mph
SW
Mostly Cloudy
Humidity
93%
Feels like
31°F
Dew Point
29°F
4 AM
31°F
10%
1mph
WSW
Mostly Cloudy
Humidity
94%
Feels like
31°F
Dew Point
29°F
5 AM
31°F
10%
2mph
WSW
Mostly Cloudy
Humidity
93%
Feels like
31°F
Dew Point
30°F
6 AM
32°F
10%
2mph
WSW
Mostly Cloudy
Humidity
93%
Feels like
32°F
Dew Point
30°F
7 AM
33°F
10%
3mph
W
Partly Cloudy
Humidity
90%
Feels like
30°F
Dew Point
30°F
7:16 AM
8 AM
34°F
10%
4mph
W
Partly Cloudy
Humidity
85%
Feels like
30°F
Dew Point
30°F
9 AM
36°F
10%
5mph
W
Mostly Sunny
Humidity
78%
Feels like
32°F
Dew Point
30°F
10 AM
38°F
10%
6mph
WNW
Mostly Sunny
Humidity
73%
Feels like
34°F
Dew Point
30°F
11 AM
40°F
0%
6mph
W
Mostly Sunny
Humidity
68%
Feels like
35°F
Dew Point
30°F
12 PM
41°F
0%
6mph
W
Mostly Sunny
Humidity
65%
Feels like
37°F
Dew Point
30°F
1 PM
42°F
0%
6mph
W
Mostly Sunny
Humidity
62%
Feels like
38°F
Dew Point
30°F
2 PM
42°F
0%
6mph
W
Partly Cloudy
Humidity
61%
Feels like
38°F
Dew Point
30°F
3 PM
41°F
10%
5mph
W
Partly Cloudy
Humidity
62%
Feels like
38°F
Dew Point
29°F
4 PM
40°F
0%
4mph
W
Mostly Cloudy
Humidity
65%
Feels like
37°F
Dew Point
29°F
4:43 PM
5 PM
38°F
0%
3mph
W
Mostly Cloudy
Humidity
68%
Feels like
36°F
Dew Point
28°F
6 PM
36°F
0%
3mph
W
Mostly Cloudy
Humidity
72%
Feels like
36°F
Dew Point
28°F
7 PM
35°F
30%
3mph
W
30% Chance of Flurries
Humidity
74%
Feels like
35°F
Dew Point
28°F
8 PM
35°F
30%
2mph
W
30% Chance of Flurries
Humidity
76%
Feels like
35°F
Dew Point
28°F
9 PM
35°F
30%
2mph
W
30% Chance of Flurries
Humidity
76%
Feels like
35°F
Dew Point
28°F
10 PM
35°F
30%
2mph
W
30% Chance of Flurries
Humidity
76%
Feels like
35°F
Dew Point
28°F
11 PM
35°F
30%
2mph
WSW
30% Chance of Flurries
Humidity
76%
Feels like
35°F
Dew Point
29°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide