Arnold, MD Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Arnold, MD.

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Current Conditions — Arnold, MD

FORT MEADE (KFME)

Clear

46.4 F
Humidity:81%
Wind Speed:S 3.4 mph
Barometer:30.12 in
Dewpoint:41.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:45.3 F
Apr 22 2026, 03:35 AM EDT
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5-Day Forecast — Arnold, MD

Wednesday

High 71 °F
Chance of T-storms
Wednesday
Night
Low 55 °F
Partly Cloudy
Thursday

High 78 °F
Mostly Sunny
Thursday
Night
Low 55 °F
Partly Cloudy
Friday

High 71 °F
Chance of T-storms
Friday
Night
Low 50 °F
Chance of Rain
Saturday

High 60 °F
Rain Showers Likely
Saturday
Night
Low 48 °F
Rain
Sunday

High 62 °F
Rain Showers Likely

Detailed Forecast — Arnold, MD

Wednesday
Chance of Thunderstorms. High near 71°F. Wind 5 to 8 mph, with gusts as high as 16 mph.
Wednesday Night
Partly Cloudy. Low around 55°F. Wind 2 to 3 mph, with gusts as high as 7 mph.
Thursday
Mostly Sunny. High near 78°F. Wind 3 to 5 mph, with gusts as high as 8 mph.
Thursday Night
Partly Cloudy. Low around 55°F. Wind 2 to 3 mph, with gusts as high as 7 mph.
Friday
Chance of Thunderstorms. High near 71°F. Wind 3 to 6 mph, with gusts as high as 9 mph.
Friday Night
Chance of Rain. Low around 50°F. Wind 5 to 6 mph, with gusts as high as 10 mph.
Saturday
Rain Showers Likely. High near 60°F. Wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Rain. Low around 48°F. Wind 9 to 10 mph, with gusts as high as 18 mph.
Sunday
Rain Showers Likely. High near 62°F. Wind around 10 mph, with gusts as high as 17 mph.
Sunday Night
Chance of Rain. Low around 48°F. Wind 3 to 7 mph, with gusts as high as 12 mph.
Monday
Slight Chance of Rain Showers. High near 68°F. Wind 6 to 7 mph, with gusts as high as 10 mph.
Monday Night
Isolated T-storm. Low around 51°F. Wind 5 to 6 mph, with gusts as high as 10 mph.
Tuesday
Thunderstorms Likely. High near 69°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
MD Radar
Current Radar • MD
Day 1 Outlook • April 22, 2026

Observation History — Arnold, MD

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
03:35 AM EDT S 3.4 10.00 Clear -- 46.4 41.0 81% 45.3 NA 30.12 1019.7
03:15 AM EDT S 3.4 10.00 Clear -- 46.4 41.0 81% 45.3 NA 30.12 1019.7
02:55 AM EDT S 3.4 10.00 Clear -- 46.4 41.0 81% 45.3 NA 30.12 1020.0
02:35 AM EDT S 3.4 10.00 Clear -- 46.4 41.0 81% 45.3 NA 30.13 1020.3
02:15 AM EDT 4.7 10.00 Clear -- 46.4 41.0 81% 44.2 NA 30.13 1020.3
01:55 AM EDT 3.4 10.00 Clear -- 46.4 41.0 81% 45.3 NA 30.16 1021.3
01:35 AM EDT S 4.7 10.00 Clear -- 46.4 39.2 76% 44.2 NA 30.16 1021.3
01:15 AM EDT S 4.7 10.00 Clear -- 46.4 39.2 76% 44.2 NA 30.18 1022.0
12:55 AM EDT S 3.4 10.00 Clear -- 46.4 39.2 76% 45.3 NA 30.19 1022.4
12:35 AM EDT SE 4.7 10.00 Clear -- 46.4 37.4 71% 44.2 NA 30.19 1022.4
12:15 AM EDT 3.4 10.00 Clear -- 44.6 37.4 76% 43.2 NA 30.20 1022.7
11:35 PM EDT 0.0 10.00 Clear -- 44.6 37.4 76% NA NA 30.21 1023.0
11:15 PM EDT 0.0 10.00 Clear -- 44.6 37.4 76% NA NA 30.22 1023.4
10:55 PM EDT 0.0 10.00 Clear -- 46.4 37.4 71% NA NA 30.22 1023.4
10:35 PM EDT 0.0 10.00 Clear -- 46.4 37.4 71% NA NA 30.23 1023.7
10:15 PM EDT 0.0 10.00 Clear -- 48.2 35.6 62% NA NA 30.23 1023.7
09:55 PM EDT 3.4 10.00 Clear -- 48.2 35.6 62% 47.3 NA 30.23 1023.7
09:35 PM EDT 5.8 10.00 Clear -- 50.0 35.6 58% NA NA 30.23 1023.7
09:15 PM EDT SE 5.8 10.00 Clear -- 50.0 35.6 58% NA NA 30.23 1023.7
08:55 PM EDT 8.1 10.00 Clear -- 50.0 35.6 58% NA NA 30.21 1023.0
08:35 PM EDT SE 6.9 10.00 Clear -- 50.0 35.6 58% NA NA 30.22 1023.4
08:15 PM EDT SE 5.8 10.00 Clear -- 50.0 35.6 58% NA NA 30.22 1023.4
07:55 PM EDT SE 6.9 10.00 Clear -- NULL 35.6 % NA NA 30.22 1023.4
07:35 PM EDT 8.1 10.00 Clear -- NULL 33.8 % NA NA 30.21 1023.0

Regional Weather Observation

FORT MEADE (KFME)

Clear
46.4 F

BALTO/WASH INTL (KBWI)

Clear
51.8 F

BALTIMORE/MARTIN (KMTN)

Clear
55.6 F

ABERDEEN/PHILLIP (KAPG)

Clear
57.2 F

COLLEGE PARK (KCGS)

Clear
52.7 F

ANNAPOLIS/NAVAL (KNAK)

Clear
54.0 F
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