Hourly Weather Forecast - Arnold, MD

4:43 PM
5 PM
31°F
0%
5mph
SSW
Mostly Clear
Humidity
63%
Feels like
25°F
Dew Point
20°F
6 PM
30°F
0%
6mph
SSW
Mostly Clear
Humidity
68%
Feels like
24°F
Dew Point
21°F
7 PM
30°F
0%
6mph
SSW
Mostly Clear
Humidity
72%
Feels like
23°F
Dew Point
22°F
8 PM
30°F
0%
7mph
SSW
Partly Cloudy
Humidity
75%
Feels like
23°F
Dew Point
23°F
9 PM
30°F
0%
8mph
SSW
Partly Cloudy
Humidity
77%
Feels like
23°F
Dew Point
24°F
10 PM
31°F
0%
8mph
SSW
Partly Cloudy
Humidity
78%
Feels like
23°F
Dew Point
25°F
11 PM
31°F
0%
8mph
SSW
Partly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
26°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