Hourly Weather Forecast - Arnold, MD

12 AM
42°F
10%
7mph
NW
Clear
Humidity
53%
Feels like
38°F
Dew Point
26°F
1 AM
41°F
10%
7mph
NW
Clear
Humidity
54%
Feels like
37°F
Dew Point
26°F
2 AM
40°F
10%
7mph
NW
Clear
Humidity
57%
Feels like
36°F
Dew Point
26°F
3 AM
39°F
10%
6mph
NW
Mostly Clear
Humidity
61%
Feels like
35°F
Dew Point
27°F
4 AM
38°F
10%
6mph
NNW
Partly Cloudy
Humidity
65%
Feels like
34°F
Dew Point
28°F
5 AM
38°F
10%
6mph
NNW
Mostly Cloudy
Humidity
66%
Feels like
33°F
Dew Point
28°F
6 AM
38°F
10%
6mph
NNW
Cloudy
Humidity
64%
Feels like
33°F
Dew Point
27°F
7 AM
39°F
10%
6mph
N
Mostly Cloudy
Humidity
61%
Feels like
34°F
Dew Point
26°F
7:00 AM
8 AM
40°F
10%
6mph
N
Mostly Cloudy
Humidity
58%
Feels like
36°F
Dew Point
27°F
9 AM
43°F
10%
7mph
N
Mostly Cloudy
Humidity
54%
Feels like
39°F
Dew Point
28°F
10 AM
45°F
10%
7mph
S
Mostly Cloudy
Humidity
52%
Feels like
41°F
Dew Point
29°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

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