Water Temperature of Foster Branch in Joppatowne, MD

Current Water Temperature

73.9°F

Measurement Time: Sunday, August 2, 2026, 8:05 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

90.3°F
Sunny
Sunny
101.3°F
101.5°F
62%
SSE 8.3 mph
13.3 mph
90.3°F
75.3°F
0 in
0%
6 mi
1012 mbar
7.6

Five Day Weather Forecast

Sunny
Sun
H: 93°F
L: 75°F
Patchy rain nearby
Mon
H: 86°F
L: 75°F
Sunny
Tue
H: 85°F
L: 69°F
Overcast
Wed
H: 84°F
L: 72°F
Partly Cloudy
Thu
H: 89°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 7.9 μg/m3
PM10: 10.9 μg/m3
Carbon Monoxide: 121 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:11 PM
Sunset: 8:17 PM
Daylight: 14 hrs 11 mins
Moonrise: 10:13 PM
Moon Transit: 3:52 AM
Moonset: 10:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
5:37 PM - 8:07 PM

Minor Periods

9:43 PM - 11:13 PM
9:36 AM - 11:06 AM

Action Rating: 4 out of 5

Small Craft Advisory issued August 2 at 12:10AM EDT until August 3 at 8:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Sun August 2, 2026, 12:10 AM
Expires: Sun August 2, 2026, 11:00 AM

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Chesapeake Bay and adjoining estuaries north of Smith Point VA, and Tidal Potomac from Cobb Island MD to Smith Point VA. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Sunday, August 2, 2026

Weather Forecast

Sunny
93.4°F
75°F
82.1°F
72%
0.03 in
36%
0%
17.9 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 6.3 μg/m3
PM10: 8.18 μg/m3
Carbon Monoxide: 125.08 μg/m3
Nitrogen Dioxide: 3.36 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 89.04 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:11 PM
Sunset: 8:17 PM
Daylight: 14 hrs 11 mins
Moonrise: 10:13 PM
Moon Transit: 3:52 AM
Moonset: 10:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
5:37 PM - 8:07 PM

Minor Periods

9:43 PM - 11:13 PM
9:36 AM - 11:06 AM

Action Rating: 4 out of 5

Monday, August 3, 2026

Weather Forecast

Patchy rain nearby
85.9°F
74.5°F
78.9°F
79%
0.4 in
82%
0%
13.6 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 4.12 μg/m3
PM10: 4.24 μg/m3
Carbon Monoxide: 136.63 μg/m3
Nitrogen Dioxide: 5.2 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 88.08 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:11 PM
Sunset: 8:16 PM
Daylight: 14 hrs 9 mins
Moonrise: 10:37 PM
Moon Transit: 12:00 AM
Moonset: 11:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

10:07 PM - 11:37 PM
10:41 AM - 12:11 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
85.2°F
69°F
76.2°F
68%
0 in
8%
0%
10.5 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 6.93 μg/m3
PM10: 7.01 μg/m3
Carbon Monoxide: 170.96 μg/m3
Nitrogen Dioxide: 7.23 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 92.5 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:11 PM
Sunset: 8:15 PM
Daylight: 14 hrs 6 mins
Moonrise: 11:03 PM
Moon Transit: 5:22 AM
Moonset: 12:20 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:52 AM - 7:22 AM
7:09 PM - 9:39 PM

Minor Periods

12:00 AM - 12:00 AM
11:50 AM - 1:20 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Overcast
83.8°F
72.1°F
76.9°F
83%
0.16 in
79%
0%
10.1 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 5.32 μg/m3
PM10: 5.52 μg/m3
Carbon Monoxide: 159.34 μg/m3
Nitrogen Dioxide: 6.76 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 115.21 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:11 PM
Sunset: 8:13 PM
Daylight: 14 hrs 4 mins
Moonrise: 12:03 AM
Moon Transit: 6:11 AM
Moonset: 1:31 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:41 AM - 8:11 AM
8:00 PM - 10:30 PM

Minor Periods

1:01 PM - 2:31 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Thursday, August 6, 2026

Weather Forecast

Partly Cloudy
89°F
74°F
80.5°F
74%
0 in
18%
0%
13.2 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.61 μg/m3
PM10: 8.69 μg/m3
Carbon Monoxide: 285.11 μg/m3
Nitrogen Dioxide: 9.68 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 74.33 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:11 PM
Sunset: 8:12 PM
Daylight: 14 hrs 2 mins
Moonrise: 12:35 AM
Moon Transit: 7:04 AM
Moonset: 2:46 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
8:56 PM - 11:26 PM

Minor Periods

2:16 PM - 3:46 PM
12:00 AM - 12:00 AM

Action Rating: 3 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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