Updated 2026-09-26 08:45 local time · ZIP codes 20877, 20878, 20879, 20882 + more
Sunny
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Patapsco River including Baltimore Harbor. * WHEN...Until 6 AM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, and Patapsco River including Baltimore Harbor. * WHEN...Until 6 AM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
56°5% rain63°3% rain65°3% rain
67°10% rain63°12% rain63°12% rain63°12% rain62°12% rain61°14% rain
59°25% rain
58°33% rain
58°42% rainThere is a moderate rain chance, peaking near 42%.
It feels like 47°F with winds near 15 mph.
63°F, 12% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 35 mph.
Current temperature is 56°F, wind 15 mph, rain chance up to 42%.
UV index is 0.
Maryland ranges from Atlantic coastal plain to higher western terrain. Summers are usually warm and humid, while winter conditions vary substantially by elevation and distance from the coast.
Gaithersburg is part of the South weather region. The forecast point is near 39.14°N latitude and 77.20°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sunny and 56°F in Gaithersburg, MD. Today's high is 67°F with a 57% rain chance. Winds are around 15 mph with gusts near 35 mph. Relative humidity is 66%, pressure is 29.95 inHg, and visibility is about 6 miles.
Sunrise is at 07:00 AM and sunset is at 07:00 PM. Tomorrow's forecast calls for Overcast with a high near 60°F and a low near 55°F. The maximum rain chance is 79%.
