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Safety guides Use current official weather information for Cabin John, Maryland 20818 before making weather-sensitive plans.
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Open→Weather status
Test Message
Monitoring message only. Please disregard. Expires Sun, 5:57 PM EDT.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
Live Doppler radar
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Cabin John, Maryland 20818. Forecasts and alerts update from NOAA and the National Weather Service.
82°Slight Chance Showers And Thunderstorms15% rain
80°Slight Chance Showers And Thunderstorms15% rain78°Slight Chance Showers And Thunderstorms15% rain
73°Mostly Clear0% rain
71°Clear0% rain69°Mostly Clear0% rain68°Clear0% rain67°Clear0% rainNext 24 hours
Rain Timeline
No meaningful precipitation is expected in the official hourly forecast.
15%Thunderstorms
15%Thunderstorms
15%Thunderstorms
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
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0%None
0%None
0%None
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Official NWS outlook
7-Day Forecast
Today
! NWS84°61°
Slight Chance Showers And Thunderstorms
- Precipitation
- 15%
- Wind
- W 10 mph
- Sunrise
- 6:30 AM
- Sunset
- 7:54 PM
Mon
84°61°
Sunny
- Precipitation
- 0%
- Wind
- W 1 to 9 mph
- Sunrise
- 6:31 AM
- Sunset
- 7:53 PM
Tue
86°64°
Sunny
- Precipitation
- 0%
- Wind
- NW 2 to 7 mph
- Sunrise
- 6:32 AM
- Sunset
- 7:51 PM
Wed
89°70°
Mostly Sunny
- Precipitation
- 39%
- Wind
- SE 0 to 7 mph
- Sunrise
- 6:33 AM
- Sunset
- 7:50 PM
Thu
89°70°
Showers And Thunderstorms Likely
- Precipitation
- 64%
- Wind
- S 6 to 9 mph
- Sunrise
- 6:34 AM
- Sunset
- 7:49 PM
Fri
89°69°
Mostly Sunny then Slight Chance Showers And Thunderstorms
- Precipitation
- 16%
- Wind
- W 5 mph
- Sunrise
- 6:35 AM
- Sunset
- 7:47 PM
Sat
87°69°
Mostly Sunny
- Precipitation
- 14%
- Wind
- N 5 mph
- Sunrise
- 6:36 AM
- Sunset
- 7:46 PM
Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.
Weather for a healthier day
Healthy Weather
Real Feel84°F
Use caution walking outside
Test Message is active. Review the official alert before going outside.
WindW15 mph
Best walk timeBetter weather window: 8 PM–10 PM
Walking: 0% average rain chance, near 72°F, with winds near 6 mph. Review the active Test Message.
Official EPA AirNowLocal air qualityCabin John, Maryland 20818View AQI +
More weather details
Wind gustsNot reported
Rain now15%next hour
Humidity33%current
UV indexCheckingEPA forecast
Wind impact: Noticeable breeze with generally minor outdoor impact.
“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.
Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.86 in
Visibility10.0 mi
Peak rain chance15%
Dew point52°F
Active alerts1
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