Port Republic, MD Weather Forecast & Alerts

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

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Current Conditions — Port Republic, MD

ANDREWS AFB (KADW)

Clear

50.5 F
Humidity:55%
Wind Speed: 10.4 mph
Barometer: in
Dewpoint:35.1 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 05:55 AM EDT
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5-Day Forecast — Port Republic, MD

Wednesday

High 75 °F
T-storms Likely
Wednesday
Night
Low 55 °F
Partly Cloudy
Thursday

High 78 °F
Partly Sunny
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 75 °F
Chance of T-storms
Friday
Night
Low 53 °F
Chance of T-storms
Saturday

High 64 °F
T-storms Likely
Saturday
Night
Low 50 °F
Rain
Sunday

High 62 °F
Rain Showers Likely

Detailed Forecast — Port Republic, MD

Wednesday
Thunderstorms Likely. High near 75°F. Wind 3 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly Cloudy. Low around 55°F. Wind 2 to 5 mph, with gusts as high as 9 mph.
Thursday
Partly Sunny. High near 78°F. Wind 3 to 6 mph, with gusts as high as 9 mph.
Thursday Night
Partly Cloudy. Low around 57°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Friday
Chance of Thunderstorms. High near 75°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Friday Night
Chance of Thunderstorms. Low around 53°F. Wind around 6 mph, with gusts as high as 12 mph.
Saturday
Thunderstorms Likely. High near 64°F. Wind 8 to 12 mph, with gusts as high as 17 mph.
Saturday Night
Rain. Low around 50°F. Wind 9 to 10 mph, with gusts as high as 16 mph.
Sunday
Rain Showers Likely. High near 62°F. Wind around 13 mph, with gusts as high as 18 mph.
Sunday Night
Chance of Rain. Low around 48°F. Wind 5 to 8 mph, with gusts as high as 14 mph.
Monday
Slight Chance of Rain Showers. High near 68°F. Wind 7 to 8 mph, with gusts as high as 13 mph.
Monday Night
Isolated T-storm. Low around 53°F. Wind 5 to 7 mph, with gusts as high as 13 mph.
Tuesday
Thunderstorms Likely. High near 71°F. Wind 8 to 12 mph, with gusts as high as 17 mph.
MD Radar
Current Radar • MD
Day 1 Outlook • April 22, 2026

Observation History — Port Republic, 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)
05:55 AM EDT 10.4 10.00 Clear -- 50.5 35.1 55% NA NA M
04:55 AM EDT 12.7 10.00 Clear -- 51.4 34.9 53% NA NA M
03:55 AM EDT S 9.2 10.00 Clear -- 51.8 37.6 58% NA NA M
02:55 AM EDT S 12.7 10.00 Mostly Clear -- 51.4 38.8 62% NA NA M
01:55 AM EDT S 11.4 10.00 Mostly Clear -- 49.5 39.0 67% 45.0 NA M
12:55 AM EDT S 11.4 10.00 Clear -- 50.0 38.3 64% NA NA M
11:55 PM EDT 9.2 10.00 Mostly Clear -- 50.4 37.8 62% NA NA M
10:55 PM EDT 9.2 10.00 Clear -- 49.6 36.3 60% 45.9 NA M
09:55 PM EDT SE 9.2 10.00 Mostly Cloudy -- 50.4 34.3 54% NA NA M
08:55 PM EDT SE 9.2 10.00 Mostly Cloudy -- 51.6 33.1 49% NA NA M
07:55 PM EDT 9.2 10.00 Clear -- 53.6 27.3 36% NA NA M
06:55 PM EDT S 15.0 10.00 Clear -- 60.1 22.1 23% NA NA M
05:55 PM EDT 9.2 10.00 Clear -- 60.8 21.7 22% NA NA M
04:55 PM EDT W 5.7 10.00 Clear -- 61.3 19.9 20% NA NA M
04:16 PM EDT G 17.3 10.00 Clear -- NULL % NA NA M
03:55 PM EDT W 9.2 10.00 Clear -- 60.3 17.8 19% NA NA M
02:55 PM EDT 9.2 10.00 Clear -- 58.3 17.4 20% NA NA M
01:55 PM EDT 0.0 10.00 Clear -- 56.8 18.3 22% NA NA M
11:55 AM EDT 9.2 10.00 Clear -- 53.1 19.9 27% NA NA M
10:55 AM EDT S 6.9 10.00 Clear -- 51.3 22.5 32% NA NA M
09:55 AM EDT E 3.4 10.00 Clear -- 48.6 25.9 41% 47.7 NA M
08:55 AM EDT E 4.7 10.00 Clear -- 44.8 25.3 46% 42.3 NA M
07:55 AM EDT 0.0 10.00 Clear -- 39.0 28.2 65% NA NA M
06:55 AM EDT 0.0 10.00 Clear -- 32.4 22.3 66% NA NA M

Regional Weather Observation

ANDREWS AFB (KADW)

Clear
50.5 F

COLLEGE PARK (KCGS)

Clear
52.9 F

ANNAPOLIS/NAVAL (KNAK)

Clear
52.0 F

STEVENSVILLE (KW29)

Clear
NULL F

ST MARYS (DUKE) (K2W6)

Clear
51.6 F

WASHINGTON/NATL (KDCA)

Clear
51.8 F
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