Water Temperature of Foster Branch in Joppatowne, MD

Current Water Temperature

71.6°F

Measurement Time: Tuesday, July 21, 2026, 5:05 AM EDT

Temperature Locations

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Local Points of Interest

Gunpowder River

Foster Branch

Station Name: FOSTER BRANCH NEAR JOPPATOWNE, MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 39 feet

Nearest Address:
504 Foster Knoll Dr
Joppatowne, MD 21085
Harford County

GPS Coordinates: 39.40852778, -76.34263889

Nearby Water Temperatures

Plumtree Run, Bel Air, MD (6.1 mi)
Herring Run, Baltimore, MD (13 mi)
Chesapeake Bay, Tolchester Beach, MD (14.5 mi)
Northwest Harbor, Baltimore, MD (16 mi)
Susquehanna River, Darlington, MD (18 mi)
Scotts Level Branch, Milford Mill, MD (22.6 mi)
Gunpowder Falls, Parkton, MD (23.6 mi)
Chesapeake & Delaware Canal, Chesapeake City, MD (29.6 mi)
Severn River, Annapolis, MD (30.3 mi)
Chesapeake Bay, Annapolis, MD (31.3 mi)
Silver Lake Tributary, Townsend, DE (33.8 mi)
Christina River, Newark, DE (36.4 mi)
White Clay Creek, Newark, DE (37.1 mi)
West Branch White Clay Creek, Landenberg, PA (38.2 mi)
Patuxent River, Brighton, MD (38.4 mi)

Weather for Joppatowne, Maryland

Current Weather

79.2°F

Conditions: Partly cloudy

Feels Like: 83.6°F

Heat Index: 85.4°F

Humidity: 89%

Wind: S 10.1 mph

Wind Gusts: 12.5 mph

Wind Chill: 80.2°F

Dew Point: 72.6°F

Precipitation: 0 in

Cloud Cover: 75%

Visibility: 9 mi

Air Pressure: 1015 mbar

UV Index: 2.3

Five Day Weather Forecast

Tue
H: 96°F
L: 73°F

Wed
H: 86°F
L: 71°F

Thu
H: 78°F
L: 62°F

Fri
H: 81°F
L: 64°F

Sat
H: 83°F
L: 65°F

Air Quality

AQI: 1 - Good

PM2.5: 7.5 μg/m3

PM10: 8.1 μg/m3

Carbon Monoxide: 137 μg/m3
Nitrogen Dioxide: 4 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:11 PM
Sunset: 8:28 PM
Daylight: 14 hrs 32 mins

Moonrise: 1:58 PM
Moon Transit: 7:10 PM
Moonset: 12:49 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:10 AM - 10:40 AM
6:40 PM - 9:10 PM

Minor Periods

1:28 PM - 2:58 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 20 at 10:16PM EDT until July 22 at 6:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Mon July 20, 2026, 10:16 PM
Expires: Tue July 21, 2026, 6:30 AM

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt. * WHERE...Chesapeake Bay main channel north of Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Chester River to Queenstown MD, Eastern Bay, Choptank River to Cambridge MD and the Little Choptank River, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Until 6 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Small Craft Advisory issued July 21 at 2:32AM EDT until July 22 at 8:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Tue July 21, 2026, 2:32 AM
Expires: Tue July 21, 2026, 10:45 AM

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Chesapeake Bay north of Sandy Point MD, and Chester River to Queenstown MD. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Tuesday, July 21, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 95.5°F

Low Temperature: 73.2°F

Average Temperature: 80.7°F

Average Humidity: 77%

Precipitation: 0.11 in

Chance of Rain: 63%

Chance of Snow: 0%

Maximum Wind: 19.2 mph

UV Index: 8.2

Air Quality

AQI: 1 - Good

PM2.5: 9.23 μg/m3

PM10: 10.19 μg/m3

Carbon Monoxide: 159.92 μg/m3
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 113.29 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:11 PM
Sunset: 8:28 PM
Daylight: 14 hrs 32 mins

Moonrise: 1:58 PM
Moon Transit: 7:10 PM
Moonset: 12:49 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:10 AM - 10:40 AM
6:40 PM - 9:10 PM

Minor Periods

1:28 PM - 2:58 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Conditions: Partly Cloudy

High Temperature: 86°F

Low Temperature: 71.1°F

Average Temperature: 77.9°F

Average Humidity: 69%

Precipitation: 0.06 in

Chance of Rain: 57%

Chance of Snow: 0%

Maximum Wind: 17 mph

UV Index: 8.2

Air Quality

AQI: 1 - Good

PM2.5: 6.05 μg/m3

PM10: 6.38 μg/m3

Carbon Monoxide: 166.33 μg/m3
Nitrogen Dioxide: 4.66 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 105.38 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:11 PM
Sunset: 8:27 PM
Daylight: 14 hrs 30 mins

Moonrise: 3:01 PM
Moon Transit: 7:55 PM
Moonset: 12:15 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

8:55 AM - 11:25 AM
7:25 PM - 9:55 PM

Minor Periods

2:31 PM - 4:01 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 77.6°F

Low Temperature: 61.7°F

Average Temperature: 70°F

Average Humidity: 52%

Precipitation: 0 in

Chance of Rain: 2%

Chance of Snow: 0%

Maximum Wind: 14.1 mph

UV Index: 8.7

Air Quality

AQI: 1 - Good

PM2.5: 4.63 μg/m3

PM10: 4.8 μg/m3

Carbon Monoxide: 149.21 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 82.25 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:11 PM
Sunset: 8:26 PM
Daylight: 14 hrs 29 mins

Moonrise: 4:04 PM
Moon Transit: 8:43 PM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:42 AM - 12:12 AM
8:13 PM - 10:43 PM

Minor Periods

3:34 PM - 5:04 PM
12:14 AM - 1:44 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 81.1°F

Low Temperature: 63.5°F

Average Temperature: 72.8°F

Average Humidity: 51%

Precipitation: 0 in

Chance of Rain: 3%

Chance of Snow: 0%

Maximum Wind: 10.1 mph

UV Index: 8.9

Air Quality

AQI: 1 - Good

PM2.5: 6.8 μg/m3

PM10: 7.58 μg/m3

Carbon Monoxide: 155.3 μg/m3
Nitrogen Dioxide: 6.41 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:11 PM
Sunset: 8:25 PM
Daylight: 14 hrs 27 mins

Moonrise: 5:04 PM
Moon Transit: 9:33 PM
Moonset: 1:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

10:31 AM - 1:01 PM
9:03 PM - 11:33 PM

Minor Periods

4:34 PM - 6:04 PM
12:49 AM - 2:19 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 83.4°F

Low Temperature: 64.6°F

Average Temperature: 74°F

Average Humidity: 58%

Precipitation: 0 in

Chance of Rain: 3%

Chance of Snow: 0%

Maximum Wind: 8.9 mph

UV Index: 7

Air Quality

AQI: 1 - Good

PM2.5: 8.16 μg/m3

PM10: 10.61 μg/m3

Carbon Monoxide: 156.11 μg/m3
Nitrogen Dioxide: 7.52 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 71.56 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:11 PM
Sunset: 8:25 PM
Daylight: 14 hrs 25 mins

Moonrise: 6:00 PM
Moon Transit: 10:24 PM
Moonset: 2:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

11:22 AM - 1:52 PM
12:00 AM - 12:00 AM

Minor Periods

5:30 PM - 7:00 PM
1:30 AM - 3:00 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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Water Temperature of Foster Branch in Joppatowne, MD

Current Water Temperature

Temperature Locations

Local Points of Interest

Nearby Water Temperatures

Weather for Joppatowne, Maryland

Current Weather

Five Day Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Small Craft Advisory issued July 20 at 10:16PM EDT until July 22 at 6:00AM EDT by NWS Baltimore MD/Washington DC

Small Craft Advisory issued July 21 at 2:32AM EDT until July 22 at 8:00AM EDT by NWS Baltimore MD/Washington DC

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Webcams Near Joppatowne, MD

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