Water Temperature of Foster Branch in Joppatowne, MD

Current Water Temperature

71.8°F

Measurement Time: Monday, May 18, 2026, 5:35 PM 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

82.6°F
Clear
Clear
86.2°F
81.4°F
55%
WNW 2.7 mph
5.6 mph
78.8°F
64.3°F
0 in
0%
9 mi
1020 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 96°F
L: 63°F
Patchy rain nearby
Tue
H: 89°F
L: 65°F
Heavy rain
Wed
H: 86°F
L: 67°F
Heavy rain
Thu
H: 58°F
L: 52°F
Heavy rain
Fri
H: 54°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 8.25 μg/m3
PM10: 9.85 μg/m3
Carbon Monoxide: 164.85 μg/m3
Nitrogen Dioxide: 8.85 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:01 PM
Sunset: 8:15 PM
Daylight: 14 hrs 27 mins
Moonrise: 6:56 AM
Moon Transit: 3:00 PM
Moonset: 11:04 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:50 AM - 6:20 AM
2:30 PM - 5:00 PM

Minor Periods

12:00 AM - 12:00 AM
6:26 AM - 7:56 AM

Action Rating: 3 out of 5

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 Northern Baltimore. 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 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 the Baltimore City Metro and Annapolis region. 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 Northern Baltimore. 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 the Baltimore City Metro and Annapolis region. 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 4:40PM EDT by NWS Baltimore MD/Washington DC

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon May 18, 2026, 4:40 PM
Expires: Wed May 20, 2026, 12:00 AM

The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Tuesday for the Baltimore City Metro and Annapolis region. 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
95.7°F
63°F
79°F
65%
0 in
0%
0%
12.8 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 10.77 μg/m3
PM10: 12.11 μg/m3
Carbon Monoxide: 194.49 μg/m3
Nitrogen Dioxide: 10.65 μg/m3
Sulphur Dioxide: 2.02 μg/m3
Ozone: 118.24 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:01 PM
Sunset: 8:15 PM
Daylight: 14 hrs 27 mins
Moonrise: 6:56 AM
Moon Transit: 3:00 PM
Moonset: 11:04 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:50 AM - 6:20 AM
2:30 PM - 5:00 PM

Minor Periods

12:00 AM - 12:00 AM
6:26 AM - 7:56 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
88.7°F
64.9°F
76.5°F
64%
0.02 in
82%
0%
7.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 9.12 μg/m3
PM10: 10.95 μg/m3
Carbon Monoxide: 176.97 μg/m3
Nitrogen Dioxide: 7.18 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 112.84 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:01 PM
Sunset: 8:16 PM
Daylight: 14 hrs 28 mins
Moonrise: 8:05 AM
Moon Transit: 4:06 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

4:57 AM - 7:27 AM
3:36 PM - 6:06 PM

Minor Periods

7:35 AM - 9:05 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Heavy rain
86.3°F
67.3°F
74.6°F
71%
1.68 in
87%
0%
13.9 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 9.02 μg/m3
PM10: 10.67 μg/m3
Carbon Monoxide: 181.57 μg/m3
Nitrogen Dioxide: 8.83 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 111.64 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:01 PM
Sunset: 8:17 PM
Daylight: 14 hrs 30 mins
Moonrise: 9:20 AM
Moon Transit: 5:08 PM
Moonset: 12:01 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:01 AM - 8:31 AM
4:38 PM - 7:08 PM

Minor Periods

8:50 AM - 10:20 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, May 21, 2026

Weather Forecast

Heavy rain
57.9°F
51.9°F
56.3°F
85%
0.99 in
88%
0%
13.2 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 5.03 μg/m3
PM10: 5.27 μg/m3
Carbon Monoxide: 163.92 μg/m3
Nitrogen Dioxide: 8.49 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 67.84 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:02 PM
Sunset: 8:18 PM
Daylight: 14 hrs 32 mins
Moonrise: 10:36 AM
Moon Transit: 6:04 PM
Moonset: 12:46 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

10:06 AM - 11:36 AM
12:16 AM - 1:46 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Heavy rain
53.5°F
52.1°F
52.7°F
95%
1.53 in
69%
0%
12.5 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 6.54 μg/m3
PM10: 7.97 μg/m3
Carbon Monoxide: 166.18 μg/m3
Nitrogen Dioxide: 9.05 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 60.23 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:02 PM
Sunset: 8:19 PM
Daylight: 14 hrs 33 mins
Moonrise: 11:49 AM
Moon Transit: 6:55 PM
Moonset: 1:20 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:53 AM - 10:23 AM
6:25 PM - 8:55 PM

Minor Periods

11:19 AM - 12:49 AM
12:50 AM - 2:20 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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