Clouds Linger, Fog Possible West — Warmup Right Behind It

Quiet, gray, and a little damp is the mood tonight across Maryland. NWS Baltimore/Washington (2:45 PM update) and NWS Mount Holly (4:21 PM update) both describe a departing nor’easter and lingering low clouds, with NWS Wakefield (3:33 PM) already looking past tonight toward a real warmup arriving midweek. Nothing severe, nothing frozen, just clouds to push through before the sun comes back.

Tonight’s Timeline

• Evening (now–10 PM): Low overcast statewide, a stray sprinkle or spotty drizzle possible, mainly east and toward the coast as the weakening nor’easter pulls off to our northeast.
• Late evening–midnight: Winds go light and northwesterly, drizzle chances fade. Skies stay mostly cloudy.
• Overnight (after midnight): Patchy fog develops, favoring valleys west of the Blue Ridge/mountain corridor (Garrett, Allegany, western Washington County) — but widespread low clouds should keep it from getting dense or widespread.
• Pre-dawn Tuesday: Clouds slowly begin to thin from the west.

County by County — West to East

Western Maryland — Garrett (Deep Creek/Oakland): overnight low around 54° under mostly cloudy skies, wind light out of the west 3-7 mph, 10% patchy fog chance, especially over the higher terrain and around the lake. Allegany (Cumberland): low around 57°, mostly cloudy trending to patchy fog toward dawn, wind light NW 2-7 mph. Fog is the only nuisance here — no rain of consequence.

Northern & Central — Washington County (Hagerstown): low near 58°, mostly cloudy then patchy fog late, wind NW 2-8 mph, 10% precip. Frederick & Carroll: low around 59-60°, mostly cloudy skies holding most of the night, wind NW 2-8 mph, 10% chance of a stray sprinkle. Nothing that should slow down evening commutes or high school activities, but watch for reduced visibility in low spots toward sunrise.

Baltimore Metro — Baltimore City & County, Harford, Howard, Anne Arundel: lows in the 60-61° range, mostly cloudy skies persisting overnight, wind light out of the NW at 3-7 mph, 10% isolated drizzle chance. Humid and gray, but dry for practical purposes — a good night to leave the umbrella in the car.

DC Suburbs — Montgomery & Prince George’s: low around 60°, mostly cloudy, wind NW 3-7 mph, 10% precip chance. Similar story to Baltimore — overcast lid holds through the night with only a slim shot at a passing sprinkle.

Southern Maryland — Charles, Calvert, St. Mary’s: low near 60°, mostly cloudy, wind NW 2-7 mph, 10% precip. Tidal watchers take note: Annapolis could see some minor high-tide flooding over the coming days as coastal water levels run about a foot above normal, though nothing is flagged for tonight specifically.

Upper Eastern Shore — Cecil, Kent, Queen Anne’s, Talbot, Caroline: low around 62° (Easton gridpoint), mostly cloudy with wind out of the west 5-10 mph, precip chance around 14% — the highest in the state tonight, mainly a light shower or drizzle risk as the departing nor’easter’s outer moisture brushes by.

Lower Eastern Shore — Dorchester, Wicomico, Somerset: low near 60°, mostly cloudy, light west wind 1-6 mph, precip chance minimal at 3%. Quiet night on the Shore’s southern half.

Ocean City & the Coast — Worcester County: low around 60°, mostly cloudy, wind NW around 6 mph, only a 3% precip chance. Surf around 2 feet, water temperature mid-to-upper 60s. The Moderate Rip Current Risk that was in effect earlier today expires at 8 PM this evening as onshore flow relaxes; Tuesday’s risk drops to Low. Low tide at the Ocean City Fishing Pier was 3:30 PM this afternoon; next high tide arrives late morning Tuesday (9:55 AM).

Active Hazards

No active watches, warnings, or advisories are in effect for Maryland at this time. The Moderate Rip Current Risk for Ocean City/Assateague beaches expires at 8 PM EDT this evening. No coastal flood advisories are posted for Maryland waters, though NWS Baltimore/Washington flags that Annapolis could see some minor tidal flooding over the next several tide cycles if water level anomalies run high — worth a glance if you’re near the City Dock.

Severe & Flooding

None expected tonight or Tuesday. The weekend’s nor’easter has weakened and is pulling away to our northeast, and the only precipitation concern remaining is spotty drizzle, mainly toward the Upper Shore. No flash flooding or severe thunderstorm threat in the forecast through midweek.

Heat, Humidity & Wind

Nothing oppressive tonight — temperatures in the upper 50s to low 60s statewide with a lingering muggy, overcast feel rather than true heat. Winds are light out of the northwest, generally under 10 mph, occasionally gusting near 8-9 mph in central Maryland. That warming trend the AFDs are talking about doesn’t really show up until Wednesday and especially Thursday, when highs push into the upper 70s to mid-80s and even flirt with 90 by Friday in spots. Enjoy the mild overnight while it lasts.

Chesapeake Bay & Marine

Bay and tidal Potomac waters are calm tonight with no marine headlines posted. Light northwest-to-northerly flow persists through Tuesday and Wednesday before turning southerly. Coastal water levels remain running roughly a foot above normal — mostly a story for the back bays and Annapolis, not a widespread flooding concern.

Overnight Lows by Zone

Zone	Low
Western Mountains (Garrett)	~54°
Cumberland/Allegany	~57°
Hagerstown/Frederick/Carroll	58-60°
Baltimore/DC corridor	60-61°
Southern Maryland	~60°
Eastern Shore	60-62°
Ocean City	~60°

Looking Ahead

Tuesday: Fog possibly lingering at dawn west of the mountains, then better sunshine breaking out through the day — highs climbing to the mid-60s in Garrett, upper 70s Cumberland, mid-70s to upper-70s across central Maryland, mid-70s on the Upper Shore, and around 72° at Ocean City. Rip current risk drops to Low at the coast. Wednesday: Warmer still with more sunshine — 70s to low 80s inland, near 80° Baltimore/DC, near 73° at the beach — and increasing chances of patchy overnight fog again given light winds and rising dew points.

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Data: NWS Baltimore/Washington, Mount Holly & Wakefield.
MD Weather Alerts — your director’s cut of Maryland’s forecast, every corner covered. Sleep easy; the fog’s the worst of it tonight.