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

Current Water Temperature

73.9°F

Measurement Time: Sunday, May 17, 2026, 2:05 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

87.1°F
Sunny
Sunny
86.2°F
89.8°F
40%
WNW 4.5 mph
5.9 mph
89.6°F
59°F
0 in
0%
9 mi
1019 mbar
0.7

Five Day Weather Forecast

Sunny
Sun
H: 93°F
L: 64°F
Patchy rain nearby
Mon
H: 96°F
L: 65°F
Sunny
Tue
H: 95°F
L: 64°F
Moderate rain
Wed
H: 92°F
L: 64°F
Patchy rain nearby
Thu
H: 63°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 13.65 μg/m3
PM10: 16.25 μg/m3
Carbon Monoxide: 368.85 μg/m3
Nitrogen Dioxide: 13.55 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:04 PM
Sunset: 8:16 PM
Daylight: 14 hrs 22 mins
Moonrise: 6:03 AM
Moon Transit: 1:55 PM
Moonset: 9:55 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
1:25 PM - 3:55 PM

Minor Periods

9:25 PM - 10:55 PM
5:33 AM - 7:03 AM

Action Rating: 4 out of 5

This is only a test for monitoring of vital dissemination systems.

Effective: Sun May 17, 2026, 2:27 PM
Expires: Sun May 17, 2026, 2:37 PM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.
Sunday, May 17, 2026

Weather Forecast

Sunny
92.7°F
63.7°F
77.6°F
55%
0 in
0%
0%
8.3 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 11.39 μg/m3
PM10: 12.65 μg/m3
Carbon Monoxide: 199.69 μg/m3
Nitrogen Dioxide: 9.83 μg/m3
Sulphur Dioxide: 2.53 μg/m3
Ozone: 100.36 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:04 PM
Sunset: 8:16 PM
Daylight: 14 hrs 22 mins
Moonrise: 6:03 AM
Moon Transit: 1:55 PM
Moonset: 9:55 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
1:25 PM - 3:55 PM

Minor Periods

9:25 PM - 10:55 PM
5:33 AM - 7:03 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Patchy rain nearby
95.8°F
65.1°F
78.7°F
58%
0.06 in
75%
0%
8.9 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 12.29 μg/m3
PM10: 14.89 μg/m3
Carbon Monoxide: 318.85 μg/m3
Nitrogen Dioxide: 8.21 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 104.52 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:04 PM
Sunset: 8:17 PM
Daylight: 14 hrs 24 mins
Moonrise: 7:00 AM
Moon Transit: 3:02 PM
Moonset: 11:05 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:48 AM - 6:18 AM
2:32 PM - 5:02 PM

Minor Periods

12:00 AM - 12:00 AM
6:30 AM - 8:00 AM

Action Rating: 4 out of 5

Tuesday, May 19, 2026

Weather Forecast

Sunny
95.3°F
64.4°F
79.2°F
61%
0 in
0%
0%
8.3 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 9.87 μg/m3
PM10: 12.6 μg/m3
Carbon Monoxide: 178.93 μg/m3
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 105.96 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:04 PM
Sunset: 8:17 PM
Daylight: 14 hrs 26 mins
Moonrise: 8:09 AM
Moon Transit: 4:08 PM
Moonset: 12:05 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
3:38 PM - 6:08 PM

Minor Periods

7:39 AM - 9:09 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Moderate rain
91.6°F
64°F
77.3°F
60%
0.62 in
71%
0%
11.2 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 9.49 μg/m3
PM10: 11.89 μg/m3
Carbon Monoxide: 172.38 μg/m3
Nitrogen Dioxide: 4.68 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 105.92 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:04 PM
Sunset: 8:18 PM
Daylight: 14 hrs 28 mins
Moonrise: 9:24 AM
Moon Transit: 5:10 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
4:40 PM - 7:10 PM

Minor Periods

8:54 AM - 10:24 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 21, 2026

Weather Forecast

Patchy rain nearby
63.4°F
54.9°F
59.3°F
73%
0.05 in
85%
0%
8.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.94 μg/m3
PM10: 6.1 μg/m3
Carbon Monoxide: 202.53 μg/m3
Nitrogen Dioxide: 12.9 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 58.69 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:04 PM
Sunset: 8:19 PM
Daylight: 14 hrs 29 mins
Moonrise: 10:40 AM
Moon Transit: 6:06 PM
Moonset: 12:47 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

6:58 AM - 9:28 AM
5:36 PM - 8:06 PM

Minor Periods

10:10 AM - 11:40 AM
12:17 AM - 1:47 AM

Action Rating: 3 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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