Water Temperature of the Severn River in Annapolis, MD
Current Water Temperature
Measurement Time: Saturday, July 18, 2026, 3:30 AM EDT
Temperature Locations
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Local Points of Interest
Santee Basin; College Creek; Annapolis Roads; Whitehall Bay; Cheasapeake Bay; Harwood, MDStation Name: Annapolis
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 16 feet
Sensor Depth: -3 feet
Nearest Address:
220 Cooper Rd
Annapolis, MD 21402
Anne Arundel County
GPS Coordinates: 38.983, -76.479
Nearby Water Temperatures
Chesapeake Bay, Annapolis, MD (2.2 mi)Chesapeake Bay, Tolchester Beach, MD (20.3 mi)
Northwest Harbor, Baltimore, MD (20.3 mi)
Herring Run, Baltimore, MD (23.5 mi)
Northeast Branch Anacostia River, Riverdale Park, MD (24.1 mi)
Paint Branch, Calverton, MD (26.3 mi)
Sligo Creek, Takoma Park, MD (28.2 mi)
Chesapeake Bay, Cambridge, MD (29.7 mi)
Washington Channel, Washington, DC (30.1 mi)
Scotts Level Branch, Milford Mill, MD (30.2 mi)
Foster Branch, Joppatowne, MD (30.3 mi)
Patuxent River, Brighton, MD (31.7 mi)
Plumtree Run, Bel Air, MD (36.2 mi)
Choptank River, Cambridge, MD (36.2 mi)
Dead Run, McLean, VA (37.5 mi)
Weather for Annapolis, Maryland
Current Weather

Five Day Weather Forecast

Sat
H: 92°F
L: 77°F

Sun
H: 85°F
L: 75°F

Mon
H: 83°F
L: 69°F

Tue
H: 82°F
L: 75°F

Wed
H: 88°F
L: 71°F
Air Quality
Nitrogen Dioxide: 3.9 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 117 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 8:29 PM
Daylight: 14 hrs 34 mins
Moon Transit: 5:00 PM
Moonset: 11:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
5:58 AM - 8:28 AM4:30 PM - 7:00 PM
Minor Periods
12:00 AM - 12:00 AM10:15 AM - 11:45 AM
Action Rating: 3 out of 5
Air Quality Alert issued July 16 at 4:40PM EDT by NWS Baltimore MD/Washington DC
Effective: Thu July 16, 2026, 4:40 PM
Expires: Sat July 18, 2026, 12:00 AM
The Maryland Department of the Environment has issued a Code RED Air Quality Alert Friday for the Baltimore City Metro and Annapolis region. A Code Red Air Quality Alert means that air pollution concentrations within the region are unhealthy for the general population. 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
Air Quality Alert issued July 16 at 4:40PM EDT by NWS Baltimore MD/Washington DC
Effective: Thu July 16, 2026, 4:40 PM
Expires: Sat July 18, 2026, 12:00 AM
The Maryland Department of the Environment has issued a Code RED Air Quality Alert Friday for Northern Baltimore. A Code Red Air Quality Alert means that air pollution concentrations within the region are unhealthy for the general population. 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
Air Quality Alert issued July 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC
Effective: Fri July 17, 2026, 4:40 PM
Expires: Sun July 19, 2026, 12:00 AM
The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Saturday for Northern Baltimore. Concentrations of fine particulate matter due to wildfire smoke will persist at levels consistent with an Air Quality Index of Unhealthy (Red Alert) to Very Unhealthy (Purple Alert) Friday night into Saturday morning. Air quality begins to improve Saturday afternoon. Code Purple and Code Red Air Quality Alerts mean that air pollution concentrations within the region are unhealthy to very unhealthy for the general population. 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
Air Quality Alert issued July 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC
Effective: Fri July 17, 2026, 4:40 PM
Expires: Sun July 19, 2026, 12:00 AM
The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Saturday for the Baltimore City Metro and Annapolis region. Concentrations of fine particulate matter due to wildfire smoke will persist at levels consistent with an Air Quality Index of Unhealthy (Red Alert) to Very Unhealthy (Purple Alert) Friday night into Saturday morning. Air quality begins to improve Saturday afternoon. Code Purple and Code Red Air Quality Alerts mean that air pollution concentrations within the region are unhealthy to very unhealthy for the general population. 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
Air Quality Alert issued July 17 at 9:45AM EDT by NWS Baltimore MD/Washington DC
Effective: Fri July 17, 2026, 9:45 AM
Expires: Sat July 18, 2026, 12:00 AM
The Maryland Department of the Environment has issued a Code PURPLE Air Quality Alert Friday for the Baltimore City Metro and Annapolis region. A Code Purple Air Quality Alert means that air pollution concentrations within the region are very unhealthy for the general population. The risk of health effects is increased for everyone. 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.43 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 127.29 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 8:29 PM
Daylight: 14 hrs 34 mins
Moon Transit: 5:00 PM
Moonset: 11:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
5:58 AM - 8:28 AM4:30 PM - 7:00 PM
Minor Periods
12:00 AM - 12:00 AM10:15 AM - 11:45 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.54 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 107.08 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 8:29 PM
Daylight: 14 hrs 33 mins
Moon Transit: 5:43 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%
Best Times for Fishing or Hunting
Major Periods
6:42 AM - 9:12 AM5:13 PM - 7:43 PM
Minor Periods
11:20 AM - 12:50 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 94.46 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 8:28 PM
Daylight: 14 hrs 31 mins
Moon Transit: 6:26 PM
Moonset: 12:26 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%
Best Times for Fishing or Hunting
Major Periods
7:26 AM - 9:56 AM5:56 PM - 8:26 PM
Minor Periods
12:25 AM - 1:55 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.78 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 101.54 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 8:27 PM
Daylight: 14 hrs 30 mins
Moon Transit: 7:10 PM
Moonset: 12:50 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%
Best Times for Fishing or Hunting
Major Periods
8:10 AM - 10:40 AM6:40 PM - 9:10 PM
Minor Periods
1:28 PM - 2:58 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.26 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 73.78 μg/m3
Astronomical
Sun Transit: 1:12 PM
Sunset: 8:26 PM
Daylight: 14 hrs 28 mins
Moon Transit: 7:56 PM
Moonset: 12:16 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%
Best Times for Fishing or Hunting
Major Periods
8:54 AM - 11:24 AM7:26 PM - 9:56 PM
Minor Periods
2:31 PM - 4:01 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
