Water Temperature of Foster Branch in Joppatowne, MD
Current Water Temperature
Measurement Time: Monday, April 20, 2026, 12:05 PM EDT
Temperature Locations
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Local Points of Interest
Gunpowder RiverStation 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

Five Day Weather Forecast

Mon
H: 54°F
L: 39°F

Tue
H: 52°F
L: 32°F

Wed
H: 59°F
L: 47°F

Thu
H: 71°F
L: 50°F

Fri
H: 63°F
L: 51°F
Air Quality
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 99 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 7:48 PM
Daylight: 13 hrs 27 mins
Moon Transit: 4:12 PM
Moonset: 12:03 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%
Best Times for Fishing or Hunting
Major Periods
5:03 AM - 7:33 AM3:42 PM - 6:12 PM
Minor Periods
7:42 AM - 9:12 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Freeze Warning issued April 20 at 8:45AM EDT until April 21 at 10:00AM EDT by NWS Baltimore MD/Washington DC
Effective: Mon April 20, 2026, 8:45 AM
Expires: Mon April 20, 2026, 4:45 PM
* WHAT...Sub-freezing temperatures as low as 26 to 30 degrees expected. * WHERE...Portions of central, north central, northeast, and northern Maryland, central, northern, northwest, and western Virginia, and eastern West Virginia. * WHEN...From 2 AM to 10 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold. To prevent water pipes from freezing, wrap or drain or allow them to drip slowly.
Freeze Warning issued April 20 at 8:45AM EDT until April 21 at 10:00AM EDT by NWS Baltimore MD/Washington DC
Effective: Mon April 20, 2026, 8:45 AM
Expires: Mon April 20, 2026, 4:45 PM
* WHAT...Sub-freezing temperatures as low as 29 expected, especially in outlying areas away from larger bodies of water. * WHERE...Washington DC, and portions of central, northern, and southern Maryland, and central and northern Virginia. * WHEN...From 2 AM to 10 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold. To prevent water pipes from freezing, wrap or drain or allow them to drip slowly.
Freeze Warning issued April 20 at 2:25AM EDT until April 21 at 9:00AM EDT by NWS Mount Holly NJ
Effective: Mon April 20, 2026, 2:25 AM
Expires: Mon April 20, 2026, 4:00 PM
* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
Freeze Warning issued April 20 at 2:30PM EDT until April 21 at 9:00AM EDT by NWS Mount Holly NJ
Effective: Mon April 20, 2026, 2:30 PM
Expires: Tue April 21, 2026, 5:00 AM
* WHAT...Sub-freezing temperatures as low as 28 degrees expected. * WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From 2 AM to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
Freeze Warning issued April 20 at 10:17AM EDT until April 21 at 9:00AM EDT by NWS Mount Holly NJ
Effective: Mon April 20, 2026, 10:17 AM
Expires: Tue April 21, 2026, 12:00 AM
* WHAT...Sub-freezing temperatures as low as 29 degrees expected. * WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.21 μg/m3
Sulphur Dioxide: 5.13 μg/m3
Ozone: 93.08 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 7:48 PM
Daylight: 13 hrs 27 mins
Moon Transit: 4:12 PM
Moonset: 12:03 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%
Best Times for Fishing or Hunting
Major Periods
5:03 AM - 7:33 AM3:42 PM - 6:12 PM
Minor Periods
7:42 AM - 9:12 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.1 μg/m3
Sulphur Dioxide: 5.28 μg/m3
Ozone: 89.92 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 7:49 PM
Daylight: 13 hrs 29 mins
Moon Transit: 5:17 PM
Moonset: 12:17 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%
Best Times for Fishing or Hunting
Major Periods
6:08 AM - 8:38 AM4:47 PM - 7:17 PM
Minor Periods
8:42 AM - 10:12 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.83 μg/m3
Sulphur Dioxide: 6.74 μg/m3
Ozone: 102.04 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:50 PM
Daylight: 13 hrs 32 mins
Moon Transit: 6:19 PM
Moonset: 1:18 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
7:12 AM - 9:42 AM5:49 PM - 8:19 PM
Minor Periods
9:52 AM - 11:22 AM12:48 AM - 2:18 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 22.76 μg/m3
Sulphur Dioxide: 7.34 μg/m3
Ozone: 85.92 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:51 PM
Daylight: 13 hrs 34 mins
Moon Transit: 7:17 PM
Moonset: 2:09 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
8:12 AM - 10:42 AM6:47 PM - 9:17 PM
Minor Periods
11:06 AM - 12:36 AM1:39 AM - 3:09 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 18.99 μg/m3
Sulphur Dioxide: 5.83 μg/m3
Ozone: 69.69 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:52 PM
Daylight: 13 hrs 36 mins
Moon Transit: 8:10 PM
Moonset: 2:48 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
9:07 AM - 11:37 AM7:40 PM - 10:10 PM
Minor Periods
12:19 AM - 1:49 PM2:18 AM - 3:48 AM
Action Rating: 3 out of 5
