Water Temperature of the St. Jones River in Dover, DE

Current Water Temperature

84.6°F

Measurement Time: Wednesday, August 5, 2026, 2:25 PM EDT

Temperature Locations

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Local Points of Interest

Silver Lake Park; Memorial Park

St. Jones River

Station Name: ST JONES RIVER AT DOVER, DE
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 13 feet

Nearest Address:
199 E Division St
Dover, DE 19901
Kent County

GPS Coordinates: 39.1637222, -75.5190833

Nearby Water Temperatures

Murderkill River, Frederica, DE (11.1 mi)
Delaware Bay, Greenwich, NJ (12.4 mi)
Beaverdam Branch, Houston, DE (17.8 mi)
Silver Lake Tributary, Townsend, DE (21.1 mi)
Appoquinimink River, Odessa, DE (21.5 mi)
Delaware River, Middletown, DE (23.4 mi)
Chesapeake & Delaware Canal, Port Penn, DE (27.4 mi)
Chesapeake and Delaware Canal, Delaware City, DE (27.5 mi)
Chesapeake & Delaware Canal, Chesapeake City, MD (29.5 mi)
Broadkill River, Milton, DE (29.5 mi)
Cape May Canal, North Cape May, NJ (32.9 mi)
Delaware Bay, Lewes, DE (34 mi)
Christina River, Newark, DE (34.6 mi)
Delaware River, New Castle, DE (36.3 mi)
White Clay Creek, Newark, DE (37.9 mi)

Weather for Dover, Delaware

Current Weather

86.9°F
Partly Cloudy
Partly Cloudy
96.1°F
96°F
67%
SSW 7.8 mph
12.1 mph
86.9°F
74.7°F
0 in
39%
6 mi
1018 mbar
1.1

Five Day Weather Forecast

Sunny
Wed
H: 90°F
L: 72°F
Sunny
Thu
H: 90°F
L: 75°F
Sunny
Fri
H: 91°F
L: 72°F
Sunny
Sat
H: 90°F
L: 71°F
Sunny
Sun
H: 90°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.3 μg/m3
Carbon Monoxide: 132 μg/m3
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:08 PM
Sunset: 8:10 PM
Daylight: 14 hrs 3 mins
Moonrise: 12:00 AM
Moon Transit: 6:07 AM
Moonset: 1:27 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
8:03 PM - 10:33 PM

Minor Periods

12:57 AM - 2:27 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Heat Advisory issued August 5 at 1:50PM EDT until August 7 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Wed August 5, 2026, 1:50 PM
Expires: Thu August 6, 2026, 7:00 AM

* WHAT...Heat index values up to 100 to 104 expected. * WHERE...Portions of northern Delaware, central, northern, and southern New Jersey, and southeast Pennsylvania. * WHEN...From 10 AM Thursday to 8 PM EDT Friday. * 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. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Wednesday, August 5, 2026

Weather Forecast

Sunny
90.1°F
72.3°F
79.6°F
84%
0.1 in
68%
0%
10.1 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 3.35 μg/m3
PM10: 4.12 μg/m3
Carbon Monoxide: 124.83 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 67.42 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:08 PM
Sunset: 8:10 PM
Daylight: 14 hrs 3 mins
Moonrise: 12:00 AM
Moon Transit: 6:07 AM
Moonset: 1:27 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
8:03 PM - 10:33 PM

Minor Periods

12:57 AM - 2:27 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
90.3°F
74.8°F
81.9°F
75%
0.03 in
36%
0%
13.6 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 2.8 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 124.38 μg/m3
Nitrogen Dioxide: 3.08 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 67.75 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:07 PM
Sunset: 8:08 PM
Daylight: 14 hrs 1 mins
Moonrise: 12:32 AM
Moon Transit: 7:00 AM
Moonset: 2:41 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
9:00 PM - 11:30 PM

Minor Periods

2:11 PM - 3:41 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
90.7°F
72.3°F
82.2°F
72%
0.23 in
64%
0%
17.7 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 4.56 μg/m3
PM10: 4.8 μg/m3
Carbon Monoxide: 130.58 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 85.42 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:07 PM
Sunset: 8:07 PM
Daylight: 13 hrs 59 mins
Moonrise: 12:12 AM
Moon Transit: 8:00 AM
Moonset: 3:55 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
12:00 AM - 12:00 AM

Minor Periods

3:25 PM - 4:55 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, August 8, 2026

Weather Forecast

Sunny
90°F
70.9°F
79.7°F
76%
0.01 in
23%
0%
10.7 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 4.48 μg/m3
PM10: 5.24 μg/m3
Carbon Monoxide: 133.87 μg/m3
Nitrogen Dioxide: 3.92 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 72.75 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:07 PM
Sunset: 8:06 PM
Daylight: 13 hrs 57 mins
Moonrise: 1:02 AM
Moon Transit: 9:02 AM
Moonset: 5:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%

Best Times for Fishing or Hunting

Major Periods

8:32 AM - 11:02 AM
12:00 AM - 12:00 AM

Minor Periods

4:35 PM - 6:05 PM
12:32 AM - 2:02 AM

Action Rating: 2 out of 5

Sunday, August 9, 2026

Weather Forecast

Sunny
90.1°F
73.1°F
81°F
71%
0.01 in
36%
0%
8.1 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 4.93 μg/m3
Carbon Monoxide: 145.22 μg/m3
Nitrogen Dioxide: 5.79 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 37.67 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:07 PM
Sunset: 8:05 PM
Daylight: 13 hrs 55 mins
Moonrise: 2:04 AM
Moon Transit: 10:07 AM
Moonset: 6:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:37 AM - 12:07 AM

Minor Periods

5:36 PM - 7:06 PM
1:34 AM - 3:04 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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