Weather in Keymar, MD
Updated 2026-09-26 10:00 local time · ZIP codes 21757
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
63°5% rain
65°13% rain
66°10% rain67°12% rain66°13% rain67°12% rain64°13% rain
60°17% rain60°26% rain
58°36% rain60°26% rain60°25% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
There is a moderate rain chance, peaking near 36%.
It feels like 53°F with winds near 17 mph.
64°F, 13% rain chance and 14 mph wind.
Visibility is around 6 mi; gusts may reach 33 mph.
Current temperature is 63°F, wind 17 mph, rain chance up to 36%.
UV index is 1.
Local weather characteristics in Keymar
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.
Keymar is part of the South weather region. The forecast point is near 39.60°N latitude and 77.24°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.
Keymar weather today
Partly Cloudy and 63°F in Keymar, MD. Today's high is 67°F with a 22% rain chance. Winds are around 17 mph with gusts near 33 mph. Relative humidity is 58%, pressure is 29.95 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Keymar
Sunrise is at 07:00 AM and sunset is at 07:00 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 56°F. The maximum rain chance is 52%.