Weather for Riverdale Park, Maryland
Current Weather
Humidity: 95%
Feels Like: 63.7°F
Wind: NE 3.6 mph
Wind Gusts: 7.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Mon
H: 86°F
L: 65°F
Tue
H: 64°F
L: 61°F
Wed
H: 64°F
L: 61°F
Thu
H: 84°F
L: 62°F
Fri
H: 90°F
L: 65°F
Air Quality
Nitrogen Dioxide: 44.03 μg/m3
Sulphur Dioxide: 12.21 μg/m3
Ozone: 68 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:15 PM
Daylight: 12 hrs 26 mins
Moon Transit: 7:58 AM
Moonset: 3:58 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%
Best Times for Fishing or Hunting
Major Periods
7:28 AM - 9:58 AM12:00 AM - 12:00 AM
Minor Periods
3:28 PM - 4:58 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
This is only a test for monitoring of vital dissemination systems.
Effective: Mon September 15, 2025, 2:21 AM
Expires: Mon September 15, 2025, 2:31 AM
Monitoring message only. Please disregard.
Monitoring message only. Please disregard.
Coastal Flood Advisory issued September 15 at 2:17AM EDT until September 17 at 2:00AM EDT by NWS Wakefield VA
Effective: Mon September 15, 2025, 2:17 AM
Expires: Mon September 15, 2025, 11:15 AM
* WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Westmoreland, Richmond, Northumberland, Lancaster, Middlesex, Western Essex and Eastern Essex Counties. * WHEN...From 4 PM this afternoon to 2 AM EDT Wednesday. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Coastal Flood Advisory issued September 15 at 2:17AM EDT until September 17 at 2:00AM EDT by NWS Wakefield VA
Effective: Mon September 15, 2025, 2:17 AM
Expires: Mon September 15, 2025, 11:15 AM
* WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Westmoreland, Richmond, Northumberland, Lancaster, Middlesex, Western Essex and Eastern Essex Counties. * WHEN...From 4 PM this afternoon to 2 AM EDT Wednesday. * IMPACTS...Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Weather Forecast
Average Temperature: 73.4°F
Average Humidity: 67%
Wind: 10.1 mph
UV Index: 1.1
Air Quality
Nitrogen Dioxide: 26.76 μg/m3
Sulphur Dioxide: 8.82 μg/m3
Ozone: 105.36 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:15 PM
Daylight: 12 hrs 26 mins
Moon Transit: 7:58 AM
Moonset: 3:58 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%
Best Times for Fishing or Hunting
Major Periods
7:28 AM - 9:58 AM12:00 AM - 12:00 AM
Minor Periods
3:28 PM - 4:58 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 63.3°F
Average Humidity: 84%
Wind: 12.1 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 15.78 μg/m3
Sulphur Dioxide: 5.14 μg/m3
Ozone: 102.12 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:14 PM
Daylight: 12 hrs 23 mins
Moon Transit: 8:57 AM
Moonset: 4:45 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%
Best Times for Fishing or Hunting
Major Periods
8:27 AM - 10:57 AM12:00 AM - 12:00 AM
Minor Periods
4:15 PM - 5:45 PM12:33 AM - 2:03 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 63°F
Average Humidity: 86%
Wind: 8.3 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 16.03 μg/m3
Sulphur Dioxide: 3.7 μg/m3
Ozone: 73.8 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:12 PM
Daylight: 12 hrs 21 mins
Moon Transit: 9:52 AM
Moonset: 5:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:22 AM - 11:52 AM
Minor Periods
4:51 PM - 6:21 PM1:43 AM - 3:13 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 71.4°F
Average Humidity: 73%
Wind: 5.4 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 17.18 μg/m3
Sulphur Dioxide: 2.42 μg/m3
Ozone: 56.08 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:10 PM
Daylight: 12 hrs 18 mins
Moon Transit: 10:43 AM
Moonset: 5:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:13 AM - 12:43 AM
Minor Periods
5:21 PM - 6:51 PM2:53 AM - 4:23 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 74.5°F
Average Humidity: 58%
Wind: 11.6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:09 PM
Daylight: 12 hrs 16 mins
Moon Transit: 11:29 AM
Moonset: 6:16 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%
Best Times for Fishing or Hunting
Major Periods
12:24 AM - 2:54 AM10:59 AM - 1:29 PM
Minor Periods
5:46 PM - 7:16 PM4:01 AM - 5:31 AM
Action Rating: 3 out of 5