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

Current Water Temperature

77.2°F

Measurement Time: Tuesday, July 21, 2026, 2:05 AM 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

77.2°F
Overcast
Overcast
82.1°F
79.3°F
88%
S 5.8 mph
8.5 mph
75.2°F
71.7°F
0 in
100%
9 mi
1011 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 97°F
L: 72°F
Fog
Wed
H: 87°F
L: 71°F
Sunny
Thu
H: 80°F
L: 60°F
Sunny
Fri
H: 86°F
L: 61°F
Sunny
Sat
H: 86°F
L: 65°F

Air Quality

AQI: 1 - Good
PM2.5: 8.2 μg/m3
PM10: 8.5 μg/m3
Carbon Monoxide: 180 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:14 PM
Sunset: 8:29 PM
Daylight: 14 hrs 30 mins
Moonrise: 2:00 PM
Moon Transit: 7:12 PM
Moonset: 12:52 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
6:42 PM - 9:12 PM

Minor Periods

1:30 PM - 3:00 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 20 at 10:16PM EDT until July 21 at 8:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Mon July 20, 2026, 10:16 PM
Expires: Tue July 21, 2026, 6:30 AM

* WHAT...Southwest winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...From 2 PM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 21 at 2:32AM EDT until July 22 at 4:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Tue July 21, 2026, 2:32 AM
Expires: Tue July 21, 2026, 10:45 AM

* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...From 2 PM this afternoon to 4 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Tuesday, July 21, 2026

Weather Forecast

Sunny
97.2°F
71.8°F
82.4°F
72%
0.07 in
57%
0%
17.2 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 9.59 μg/m3
Carbon Monoxide: 171.67 μg/m3
Nitrogen Dioxide: 3.87 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 94.88 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:14 PM
Sunset: 8:29 PM
Daylight: 14 hrs 30 mins
Moonrise: 2:00 PM
Moon Transit: 7:12 PM
Moonset: 12:52 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
6:42 PM - 9:12 PM

Minor Periods

1:30 PM - 3:00 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Fog
87.4°F
70.9°F
77.5°F
70%
0.05 in
57%
0%
12.3 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 5.57 μg/m3
PM10: 5.85 μg/m3
Carbon Monoxide: 194.13 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 93 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:14 PM
Sunset: 8:28 PM
Daylight: 14 hrs 28 mins
Moonrise: 3:03 PM
Moon Transit: 7:58 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
7:28 PM - 9:58 PM

Minor Periods

2:33 PM - 4:03 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
80.4°F
60.3°F
70.2°F
47%
0 in
2%
0%
10.3 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 5.66 μg/m3
PM10: 5.82 μg/m3
Carbon Monoxide: 174.83 μg/m3
Nitrogen Dioxide: 5.57 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 86.42 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:14 PM
Sunset: 8:27 PM
Daylight: 14 hrs 26 mins
Moonrise: 4:05 PM
Moon Transit: 8:46 PM
Moonset: 12:48 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:40 AM - 12:10 AM
8:16 PM - 10:46 PM

Minor Periods

3:35 PM - 5:05 PM
12:18 AM - 1:48 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
85.5°F
60.9°F
73.1°F
48%
0 in
2%
0%
8.1 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 6.73 μg/m3
PM10: 7.53 μg/m3
Carbon Monoxide: 188.75 μg/m3
Nitrogen Dioxide: 6.53 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 92.33 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:14 PM
Sunset: 8:27 PM
Daylight: 14 hrs 25 mins
Moonrise: 5:05 PM
Moon Transit: 9:35 PM
Moonset: 1:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:30 AM - 1:00 PM
9:05 PM - 11:35 PM

Minor Periods

4:35 PM - 6:05 PM
12:53 AM - 2:23 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
85.7°F
65.3°F
74.3°F
56%
0 in
3%
0%
8.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 8.31 μg/m3
PM10: 10.66 μg/m3
Carbon Monoxide: 158.44 μg/m3
Nitrogen Dioxide: 8.74 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 68.11 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:14 PM
Sunset: 8:26 PM
Daylight: 14 hrs 23 mins
Moonrise: 6:01 PM
Moon Transit: 10:27 PM
Moonset: 2:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:19 AM - 1:49 PM
12:00 AM - 12:00 AM

Minor Periods

5:31 PM - 7:01 PM
1:35 AM - 3:05 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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