Hourly Weather Forecast - Adelphi, MD

12 AM
21°F
10%
6mph
NW
Mostly Clear
Humidity
59%
Feels like
14°F
Dew Point
9°F
1 AM
20°F
10%
6mph
NW
Partly Cloudy
Humidity
60%
Feels like
12°F
Dew Point
9°F
2 AM
19°F
10%
6mph
NW
Mostly Clear
Humidity
60%
Feels like
12°F
Dew Point
8°F
3 AM
19°F
10%
5mph
NW
Clear
Humidity
62%
Feels like
11°F
Dew Point
8°F
4 AM
18°F
10%
5mph
NW
Clear
Humidity
63%
Feels like
11°F
Dew Point
8°F
5 AM
18°F
10%
5mph
NW
Clear
Humidity
65%
Feels like
11°F
Dew Point
8°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, Flooding Rain Impacts the Northwest

Today's Weather Outlook

Today'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