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

Current Water Temperature

83.5°F

Measurement Time: Wednesday, July 1, 2026, 9:25 AM 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

95.2°F
Partly Cloudy
Partly Cloudy
104.1°F
109°F
51%
WSW 7.4 mph
9.4 mph
97.3°F
73.1°F
0 in
25%
9 mi
1016 mbar
9.4

Five Day Weather Forecast

Sunny
Wed
H: 102°F
L: 73°F
Sunny
Thu
H: 98°F
L: 75°F
Sunny
Fri
H: 100°F
L: 78°F
Sunny
Sat
H: 96°F
L: 75°F
Sunny
Sun
H: 96°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 10.2 μg/m3
PM10: 13.2 μg/m3
Carbon Monoxide: 115 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 122 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:06 PM
Sunset: 8:32 PM
Daylight: 14 hrs 53 mins
Moonrise: 10:03 PM
Moon Transit: 2:07 AM
Moonset: 6:52 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
4:01 PM - 6:31 PM

Minor Periods

9:33 PM - 11:03 PM
6:22 AM - 7:52 AM

Action Rating: 3 out of 5

Extreme Heat Warning issued July 1 at 3:15AM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Wed July 1, 2026, 3:15 AM
Expires: Wed July 1, 2026, 4:00 PM

* WHAT...Dangerously hot conditions with heat index values between 105 and 110 degrees expected each day. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From noon Thursday to 8 PM EDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the mid 70s to near 80 degrees at night will not offer much relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity. The hottest conditions are expected to occur on Friday.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit your county or state health department website for assistance locating appropriate shelter from the heat.
Wednesday, July 1, 2026

Weather Forecast

Sunny
101.8°F
73°F
86.7°F
57%
0 in
3%
0%
13 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 7.82 μg/m3
PM10: 9.94 μg/m3
Carbon Monoxide: 117.13 μg/m3
Nitrogen Dioxide: 2.98 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 92.38 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:06 PM
Sunset: 8:32 PM
Daylight: 14 hrs 53 mins
Moonrise: 10:03 PM
Moon Transit: 2:07 AM
Moonset: 6:52 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:37 AM - 4:07 AM
4:01 PM - 6:31 PM

Minor Periods

9:33 PM - 11:03 PM
6:22 AM - 7:52 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
98°F
75.2°F
86.5°F
59%
0.01 in
17%
0%
12.8 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 13.47 μg/m3
PM10: 17.31 μg/m3
Carbon Monoxide: 124.75 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 107.21 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:06 PM
Sunset: 8:32 PM
Daylight: 14 hrs 52 mins
Moonrise: 10:32 PM
Moon Transit: 2:55 AM
Moonset: 7:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:25 AM - 4:55 AM
4:47 PM - 7:17 PM

Minor Periods

10:02 PM - 11:32 PM
7:24 AM - 8:54 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
99.5°F
78.4°F
88.1°F
55%
0.04 in
57%
0%
8.5 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 14.45 μg/m3
PM10: 18.11 μg/m3
Carbon Monoxide: 137.58 μg/m3
Nitrogen Dioxide: 6.06 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 114.58 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:06 PM
Sunset: 8:32 PM
Daylight: 14 hrs 52 mins
Moonrise: 10:57 PM
Moon Transit: 3:40 AM
Moonset: 8:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:10 AM - 5:40 AM
5:32 PM - 8:02 PM

Minor Periods

10:27 PM - 11:57 PM
8:28 AM - 9:58 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
96.1°F
75.2°F
85.4°F
63%
0.05 in
57%
0%
10.3 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 8.1 μg/m3
PM10: 9.26 μg/m3
Carbon Monoxide: 158.46 μg/m3
Nitrogen Dioxide: 5.17 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 106.29 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:06 PM
Sunset: 8:32 PM
Daylight: 14 hrs 51 mins
Moonrise: 11:20 PM
Moon Transit: 4:24 AM
Moonset: 10:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
6:15 PM - 8:45 PM

Minor Periods

12:00 AM - 12:00 AM
9:31 AM - 11:01 AM

Action Rating: 3 out of 5

Sunday, July 5, 2026

Weather Forecast

Sunny
96°F
70.9°F
82.3°F
69%
0.48 in
68%
0%
22.4 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 9.57 μg/m3
PM10: 10.34 μg/m3
Carbon Monoxide: 270 μg/m3
Nitrogen Dioxide: 13.12 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 51.89 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:06 PM
Sunset: 8:32 PM
Daylight: 14 hrs 50 mins
Moonrise: 12:20 AM
Moon Transit: 5:07 AM
Moonset: 11:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:37 AM - 7:07 AM
6:57 PM - 9:27 PM

Minor Periods

10:34 AM - 12:04 AM
12:00 AM - 12:00 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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