Water Temperature of the Northeast Branch Anacostia River in Riverdale Park, MD

Current Water Temperature

78.6°F

Measurement Time: Tuesday, July 14, 2026, 9:05 PM EDT

Temperature Locations

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Local Points of Interest

Riverdale Community Park

Northeast Branch Anacostia River

Station Name: NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 23 feet

Nearest Address:
5199 Riverdale Rd
Riverdale Park, MD 20737
Prince George's County

GPS Coordinates: 38.96025, -76.9259722

Nearby Water Temperatures

Sligo Creek, Takoma Park, MD (4.6 mi)
Paint Branch, Calverton, MD (5.4 mi)
Washington Channel, Washington, DC (7.9 mi)
Dead Run, McLean, VA (13.4 mi)
Patuxent River, Brighton, MD (16.6 mi)
Difficult Run, McLean, VA (17.2 mi)
Difficult Run, Oakton, VA (22.5 mi)
Severn River, Annapolis, MD (24.1 mi)
Chesapeake Bay, Annapolis, MD (25.7 mi)
Northwest Harbor, Baltimore, MD (28.2 mi)
Scotts Level Branch, Milford Mill, MD (29.1 mi)
Herring Run, Baltimore, MD (31.7 mi)
Chesapeake Bay, Cambridge, MD (39.2 mi)
Potomac River, Point of Rocks, MD (39.5 mi)
Chesapeake Bay, Tolchester Beach, MD (40.5 mi)

Weather for Riverdale Park, Maryland

Current Weather

82.2°F
Clear
Clear
87°F
80.4°F
60%
WSW 5.8 mph
12.2 mph
77.5°F
66.5°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 105°F
L: 73°F
Sunny
Thu
H: 98°F
L: 76°F
Sunny
Fri
H: 94°F
L: 72°F
Patchy rain nearby
Sat
H: 83°F
L: 70°F
Patchy rain nearby
Sun
H: 89°F
L: 68°F

Air Quality

AQI: 1 - Good
PM2.5: 11 μg/m3
PM10: 12.1 μg/m3
Carbon Monoxide: 155 μg/m3
Nitrogen Dioxide: 11.8 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:13 PM
Sunset: 8:33 PM
Daylight: 14 hrs 38 mins
Moonrise: 7:08 AM
Moon Transit: 2:33 PM
Moonset: 9:46 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:24 AM - 5:54 AM
2:03 PM - 4:33 PM

Minor Periods

9:16 PM - 10:46 PM
6:38 AM - 8:08 AM

Action Rating: 4 out of 5

Heat Advisory issued July 14 at 6:45PM EDT until July 15 at 8:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Tue July 14, 2026, 6:45 PM
Expires: Wed July 15, 2026, 2:45 AM

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...From 11 AM to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Air Quality Alert issued July 14 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Effective: Tue July 14, 2026, 4:40 PM
Expires: Thu July 16, 2026, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Wednesday for the Maryland suburban DC region. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
Wednesday, July 15, 2026

Weather Forecast

Sunny
105.4°F
72.7°F
87.1°F
55%
0 in
2%
0%
9.4 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 11.68 μg/m3
PM10: 12.59 μg/m3
Carbon Monoxide: 183.63 μg/m3
Nitrogen Dioxide: 7.23 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 111.67 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:13 PM
Sunset: 8:33 PM
Daylight: 14 hrs 38 mins
Moonrise: 7:08 AM
Moon Transit: 2:33 PM
Moonset: 9:46 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:24 AM - 5:54 AM
2:03 PM - 4:33 PM

Minor Periods

9:16 PM - 10:46 PM
6:38 AM - 8:08 AM

Action Rating: 4 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
97.8°F
76.1°F
86.8°F
54%
0.02 in
36%
0%
8.3 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 13.3 μg/m3
PM10: 13.95 μg/m3
Carbon Monoxide: 179.92 μg/m3
Nitrogen Dioxide: 9.52 μg/m3
Sulphur Dioxide: 2.82 μg/m3
Ozone: 111.38 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:13 PM
Sunset: 8:32 PM
Daylight: 14 hrs 37 mins
Moonrise: 8:25 AM
Moon Transit: 3:27 PM
Moonset: 10:16 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:19 AM - 6:49 AM
2:57 PM - 5:27 PM

Minor Periods

9:46 PM - 11:16 PM
7:55 AM - 9:25 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
93.8°F
71.6°F
81.6°F
47%
0.02 in
36%
0%
6.9 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 9.89 μg/m3
PM10: 10.45 μg/m3
Carbon Monoxide: 168.25 μg/m3
Nitrogen Dioxide: 4.97 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 113.58 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:13 PM
Sunset: 8:32 PM
Daylight: 14 hrs 36 mins
Moonrise: 9:38 AM
Moon Transit: 4:15 PM
Moonset: 10:42 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

5:10 AM - 7:40 AM
3:45 PM - 6:15 PM

Minor Periods

10:12 PM - 11:42 PM
9:08 AM - 10:38 AM

Action Rating: 2 out of 5

Saturday, July 18, 2026

Weather Forecast

Patchy rain nearby
82.6°F
70.3°F
75.1°F
85%
0.35 in
83%
0%
6.5 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 10.02 μg/m3
PM10: 10.76 μg/m3
Carbon Monoxide: 183.22 μg/m3
Nitrogen Dioxide: 5.68 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 111.13 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:14 PM
Sunset: 8:31 PM
Daylight: 14 hrs 34 mins
Moonrise: 10:47 AM
Moon Transit: 5:01 PM
Moonset: 11:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

5:56 AM - 8:26 AM
4:31 PM - 7:01 PM

Minor Periods

12:00 AM - 12:00 AM
10:17 AM - 11:47 AM

Action Rating: 3 out of 5

Sunday, July 19, 2026

Weather Forecast

Patchy rain nearby
88.6°F
68.4°F
76.6°F
83%
0.29 in
81%
0%
6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 9.27 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 270.33 μg/m3
Nitrogen Dioxide: 7.86 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 67.11 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:14 PM
Sunset: 8:30 PM
Daylight: 14 hrs 33 mins
Moonrise: 11:52 AM
Moon Transit: 5:45 PM
Moonset: 12:05 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

6:41 AM - 9:11 AM
5:15 PM - 7:45 PM

Minor Periods

11:22 AM - 12:52 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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