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ZIP 21140 · Riva, Maryland

Current conditions and the National Weather Service 7-day forecast for ZIP code 21140, Riva, Maryland — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 68°F. Sunday Aug 30: a high near 89°F and a low around 74°F. The wettest day looks like Monday Aug 31, near 0.02 in. Highs over the period run 85°F to 95°F.

National Weather Service forecast for ZIP 21140, Riva, Maryland
DayHighLowPrecip
Saturday Aug 2968°
Sunday Aug 3089°74°
Monday Aug 3191°75°0.02 in
Tuesday Sep 194°77°0.01 in
Wednesday Sep 295°77°
Thursday Sep 394°74°
Friday Sep 488°70°
Saturday Sep 585°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/New York. The live page updates continuously.

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