Water Temperature of the Severn River in Annapolis, MD
Current Water Temperature
Measurement Time: Saturday, June 21, 2025, 12:36 PM EDT
Today's Tides
High: June 21, 2:10 AM, 1.68 ft
Low: June 21, 8:44 AM, 0.71 ft
High: June 21, 1:37 PM, 1.12 ft
Low: June 21, 7:56 PM, 0.16 ft
Temperature Locations
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Local Points of Interest
Santee Basin; College Creek; Annapolis Roads; Whitehall Bay; Cheasapeake Bay; Harwood, MDSponsored Content
Station Name: Annapolis
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 16 feet / 5 meters
Sensor Depth: -3.0 feet / -0.9 meters
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

Humidity: 79%
Feels Like: 84.9°F
Wind: SSW 5.1 mph
Wind Gusts: 6.9 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 9
Five Day Weather Forecast

Sat
H: 87°F
L: 71°F

Sun
H: 93°F
L: 76°F

Mon
H: 96°F
L: 81°F

Tue
H: 95°F
L: 82°F

Wed
H: 92°F
L: 77°F
Air Quality
Nitrogen Dioxide: 5.74 μg/m3
Sulphur Dioxide: 4.44 μg/m3
Ozone: 188 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:35 PM
Daylight: 14 hrs 55 mins
Moon Transit: 9:19 AM
Moonset: 4:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.4%
Best Times for Fishing or Hunting
Major Periods
8:49 AM - 11:19 AM12:00 AM - 12:00 AM
Minor Periods
4:09 PM - 5:39 PM1:43 AM - 3:13 AM
Action Rating: 2 out of 5
Heat Advisory issued June 21 at 2:06AM EDT until June 24 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM
* WHAT...Heat index values up to 108 expected. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From 8 AM Monday to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures of 75 to 80 degrees will not offer much relief at night.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued June 21 at 2:06AM EDT until June 24 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM
* WHAT...Heat index values up to 108 expected. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From 8 AM Monday to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures of 75 to 80 degrees will not offer much relief at night.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued June 21 at 2:06AM EDT until June 24 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM
* WHAT...Heat index values up to 108 expected. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From 8 AM Monday to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures of 75 to 80 degrees will not offer much relief at night.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued June 21 at 2:06AM EDT until June 24 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM
* WHAT...Heat index values up to 108 expected. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From 8 AM Monday to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures of 75 to 80 degrees will not offer much relief at night.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued June 21 at 2:06AM EDT until June 24 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Sat June 21, 2025, 2:06 AM
Expires: Sat June 21, 2025, 3:15 PM
* WHAT...Heat index values up to 108 expected. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From 8 AM Monday to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures of 75 to 80 degrees will not offer much relief at night.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Weather Forecast
Average Temperature: 78.4°F
Average Humidity: 78%
Wind: 13.6 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 9.72 μg/m3
Sulphur Dioxide: 4.03 μg/m3
Ozone: 128.84 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:35 PM
Daylight: 14 hrs 55 mins
Moon Transit: 9:19 AM
Moonset: 4:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.4%
Best Times for Fishing or Hunting
Major Periods
8:49 AM - 11:19 AM12:00 AM - 12:00 AM
Minor Periods
4:09 PM - 5:39 PM1:43 AM - 3:13 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 83.4°F
Average Humidity: 70%
Wind: 13 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 4.4 μg/m3
Ozone: 146.72 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:36 PM
Daylight: 14 hrs 55 mins
Moon Transit: 10:16 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:46 AM - 12:16 AM
Minor Periods
5:28 PM - 6:58 PM2:17 AM - 3:47 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 87.6°F
Average Humidity: 69%
Wind: 7.8 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 20.01 μg/m3
Sulphur Dioxide: 12.92 μg/m3
Ozone: 152.08 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:36 PM
Daylight: 14 hrs 55 mins
Moon Transit: 11:17 AM
Moonset: 7:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.0%
Best Times for Fishing or Hunting
Major Periods
12:09 AM - 2:39 AM10:47 AM - 1:17 PM
Minor Periods
6:45 PM - 8:15 PM2:58 AM - 4:28 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 87.8°F
Average Humidity: 67%
Wind: 12.3 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 26.15 μg/m3
Sulphur Dioxide: 14.01 μg/m3
Ozone: 130.4 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:36 PM
Daylight: 14 hrs 55 mins
Moon Transit: 12:22 AM
Moonset: 8:26 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
1:12 AM - 3:42 AM11:52 AM - 2:22 PM
Minor Periods
7:56 PM - 9:26 PM3:51 AM - 5:21 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 83.7°F
Average Humidity: 66%
Wind: 11.4 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 28.08 μg/m3
Sulphur Dioxide: 12.34 μg/m3
Ozone: 91.46 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:36 PM
Daylight: 14 hrs 54 mins
Moon Transit: 1:27 PM
Moonset: 9:25 PM
Moon Phase: New
Moon Illumination: 1.6%
Best Times for Fishing or Hunting
Major Periods
2:17 AM - 4:47 AM12:57 AM - 3:27 PM
Minor Periods
8:55 PM - 10:25 PM4:54 AM - 6:24 AM
Action Rating: 4 out of 5