Water Temperature of the Murderkill River in Frederica, DE

Current Water Temperature

71.1°F

Measurement Time: Monday, May 18, 2026, 10:06 AM EDT

Temperature Locations

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Local Points of Interest

Spring Creek

Murderkill River

Station Name: MURDERKILL RIVER AT FREDERICA, DE
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: -3 feet

Nearest Address:
Bay Rd
Frederica, DE 19946
Kent County

GPS Coordinates: 39.0105, -75.4583056

Nearby Water Temperatures

Beaverdam Branch, Houston, DE (7.8 mi)
St. Jones River, Dover, DE (11.1 mi)
Broadkill River, Milton, DE (18.8 mi)
Delaware Bay, Greenwich, NJ (20.8 mi)
Delaware Bay, Lewes, DE (24.1 mi)
Cape May Canal, North Cape May, NJ (26.9 mi)
Millsboro Pond, Millsboro, DE (30.1 mi)
Silver Lake Tributary, Townsend, DE (32 mi)
Appoquinimink River, Odessa, DE (32.5 mi)
Indian River Bay, Millsboro, DE (32.9 mi)
Delaware River, Middletown, DE (34.4 mi)
Chesapeake & Delaware Canal, Port Penn, DE (38.3 mi)
Chesapeake and Delaware Canal, Delaware City, DE (38.5 mi)
Chesapeake & Delaware Canal, Chesapeake City, MD (40.3 mi)
Choptank River, Cambridge, MD (44.4 mi)

Weather for Frederica, Delaware

Current Weather

95.2°F
Sunny
Sunny
96.3°F
102.6°F
33%
SW 9.4 mph
10.8 mph
98.4°F
63.9°F
0 in
0%
9 mi
1021 mbar
8.5

Five Day Weather Forecast

Sunny
Mon
H: 100°F
L: 64°F
Sunny
Tue
H: 93°F
L: 68°F
Patchy rain nearby
Wed
H: 92°F
L: 68°F
Patchy rain nearby
Thu
H: 62°F
L: 55°F
Moderate rain
Fri
H: 54°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 147.85 μg/m3
Nitrogen Dioxide: 2.45 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 132 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:58 AM
Sunset: 8:11 PM
Daylight: 14 hrs 24 mins
Moonrise: 6:54 AM
Moon Transit: 2:56 PM
Moonset: 10:59 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
2:26 PM - 4:56 PM

Minor Periods

10:29 PM - 11:59 PM
6:24 AM - 7:54 AM

Action Rating: 3 out of 5

Air Quality Alert issued May 18 at 9:58AM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 9:58 AM
Expires: Tue May 19, 2026, 10:00 AM

The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Advisory means that air quality within the region may approach or exceed unhealthy standards. For more information on current and forecast concentrations of ground-level ozone and fine particulates, visit www.airnow.gov or www.state.nj.us/dep/airmon/ or call the New Jersey Bureau of Air Monitoring at 609-292-0138


Heat Advisory issued May 18 at 2:10PM EDT until May 20 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Mon May 18, 2026, 2:10 PM
Expires: Tue May 19, 2026, 5:00 AM

* WHAT...Heat index values up to 98. * WHERE...In Delaware, New Castle County. In Pennsylvania, Eastern Chester County. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Record setting high temperatures are quite possible through Wednesday, with maximum heat indices nearing 100 degrees during peak heating each afternoon. Given the intensity of this early season stretch of heat and humidity, we are not acclimated to it yet and therefore impacts could be greater if precautions are not taken. Showers and some thunderstorms arrive later Wednesday afternoon and evening which will break this early season heat.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Air Quality Alert issued May 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sun May 17, 2026, 4:40 PM
Expires: Tue May 19, 2026, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Monday for Northeast Maryland. 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 May 18 at 1:42PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 1:42 PM
Expires: Tue May 19, 2026, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Monday for Northeast Maryland. 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


Monday, May 18, 2026

Weather Forecast

Sunny
99.9°F
63.5°F
81.2°F
58%
0 in
0%
0%
12.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 8.32 μg/m3
PM10: 9.75 μg/m3
Carbon Monoxide: 160.41 μg/m3
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 107.56 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:58 AM
Sunset: 8:11 PM
Daylight: 14 hrs 24 mins
Moonrise: 6:54 AM
Moon Transit: 2:56 PM
Moonset: 10:59 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
2:26 PM - 4:56 PM

Minor Periods

10:29 PM - 11:59 PM
6:24 AM - 7:54 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Sunny
93.2°F
68.4°F
80.2°F
60%
0 in
0%
0%
11.6 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 8.1 μg/m3
PM10: 9.9 μg/m3
Carbon Monoxide: 153.49 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 104.24 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:58 AM
Sunset: 8:12 PM
Daylight: 14 hrs 26 mins
Moonrise: 8:02 AM
Moon Transit: 4:02 PM
Moonset: 11:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
3:32 PM - 6:02 PM

Minor Periods

12:00 AM - 12:00 AM
7:32 AM - 9:02 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Patchy rain nearby
92.3°F
68°F
79°F
60%
0.15 in
84%
0%
13.6 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 7.68 μg/m3
PM10: 9.24 μg/m3
Carbon Monoxide: 150.45 μg/m3
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 108.72 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 12:58 AM
Sunset: 8:13 PM
Daylight: 14 hrs 28 mins
Moonrise: 9:17 AM
Moon Transit: 5:04 PM
Moonset: 12:56 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
4:34 PM - 7:04 PM

Minor Periods

8:47 AM - 10:17 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 21, 2026

Weather Forecast

Patchy rain nearby
61.7°F
54.5°F
59.9°F
80%
0.15 in
89%
0%
12.8 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 4.93 μg/m3
PM10: 5.21 μg/m3
Carbon Monoxide: 162.34 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 62.08 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:58 AM
Sunset: 8:13 PM
Daylight: 14 hrs 29 mins
Moonrise: 10:34 AM
Moon Transit: 6:00 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:04 AM - 9:34 AM
5:30 PM - 8:00 PM

Minor Periods

10:04 AM - 11:34 AM
12:11 AM - 1:41 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Moderate rain
53.5°F
51.7°F
53°F
92%
0.53 in
85%
0%
11.6 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 6.7 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 153.56 μg/m3
Nitrogen Dioxide: 6.7 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 55.77 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:58 AM
Sunset: 8:14 PM
Daylight: 14 hrs 31 mins
Moonrise: 11:46 AM
Moon Transit: 6:51 PM
Moonset: 1:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
6:21 PM - 8:51 PM

Minor Periods

11:16 AM - 12:46 AM
12:45 AM - 2:15 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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