Water Temperature of Little Lehigh Creek in Allentown, PA

Current Water Temperature

53.8°F

Measurement Time: Monday, April 20, 2026, 6:45 PM EDT

Temperature Locations

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Local Points of Interest

Little Lehigh Dam; Fountain Park

Little Lehigh Creek

Station Name: Little Lehigh Creek at Tenth St. Br. at Allentown
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 259 feet

Nearest Address:
607 S 10th St
Allentown, PA 18103
Lehigh County

GPS Coordinates: 40.59648637, -75.4740717

Nearby Water Temperatures

Little Lehigh Creek, Allentown, PA (1.1 mi)
Cedar Creek, Allentown, PA (1.3 mi)
Schantz Spring, Wescosville, PA (4.4 mi)
Lehigh River, Easton, PA (13.4 mi)
Spruce Run Reservoir, Clinton, NJ (29.1 mi)
French Creek, Phoenixville, PA (31.5 mi)
Delaware River, Lambertville, PA (31.9 mi)
Wissahickon Creek, Fort Washington, PA (35.3 mi)
Valley Creek, Chesterbrook, PA (35.7 mi)
Wissahickon Creek, Philadelphia, PA (42.5 mi)
West Branch Brandywine Creek, Coatesville, PA (43.9 mi)
East Branch Brandywine Creek, Downingtown, PA (44.6 mi)
Schuylkill River, Philadelphia, PA (46 mi)
Delaware River, Philadelphia, PA (46.1 mi)
West Branch Brandywine Creek, Coatesville, PA (46.1 mi)

Weather for Allentown, Pennsylvania

Current Weather

37.6°F
Clear
Clear
32.4°F
35.6°F
44%
N 6.7 mph
13.3 mph
32.2°F
25.2°F
0 in
0%
9 mi
1027 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 50°F
L: 34°F
Sunny
Tue
H: 52°F
L: 31°F
Moderate rain
Wed
H: 56°F
L: 42°F
Sunny
Thu
H: 68°F
L: 43°F
Overcast
Fri
H: 60°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 6.25 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 168.85 μg/m3
Nitrogen Dioxide: 5.95 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:00 PM
Sunset: 7:46 PM
Daylight: 13 hrs 30 mins
Moonrise: 8:03 AM
Moon Transit: 4:08 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
3:38 PM - 6:08 PM

Minor Periods

7:33 AM - 9:03 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

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 24 degrees expected. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central and southeast Pennsylvania. * 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 10:00AM 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 20 degrees expected. * WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and Monroe Counties. * WHEN...From 10 PM this evening 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.


Freeze Warning issued April 20 at 9:17AM EDT until April 21 at 9:00AM EDT by NWS State College PA

Effective: Mon April 20, 2026, 9:17 AM
Expires: Mon April 20, 2026, 9:30 PM

* WHAT...Sub-freezing temperatures as low as 27 expected late tonight and early Tuesday. * WHERE...A portion of central Pennsylvania. * 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 and vegetation from the cold. Unprotected early season plantings may freeze.


Freeze Warning issued April 20 at 2:39PM EDT until April 21 at 9:00AM EDT by NWS State College PA

Effective: Mon April 20, 2026, 2:39 PM
Expires: Tue April 21, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 26 expected late tonight and early Tuesday. * WHERE...A portion of central Pennsylvania. * 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 and vegetation from the cold. Unprotected early season plantings may freeze.


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 27 degrees expected. * WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware and Philadelphia 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.
Monday, April 20, 2026

Weather Forecast

Sunny
50.2°F
34.3°F
41.8°F
60%
0 in
0%
0%
14.5 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 5.85 μg/m3
PM10: 6.37 μg/m3
Carbon Monoxide: 207.61 μg/m3
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 3.16 μg/m3
Ozone: 84.56 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:00 PM
Sunset: 7:46 PM
Daylight: 13 hrs 30 mins
Moonrise: 8:03 AM
Moon Transit: 4:08 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:07 AM - 7:37 AM
3:38 PM - 6:08 PM

Minor Periods

7:33 AM - 9:03 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
52.4°F
31.1°F
41.8°F
56%
0 in
0%
0%
7.8 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 6.73 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 185.69 μg/m3
Nitrogen Dioxide: 5.28 μg/m3
Sulphur Dioxide: 3.24 μg/m3
Ozone: 86.36 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:00 PM
Sunset: 7:47 PM
Daylight: 13 hrs 33 mins
Moonrise: 9:04 AM
Moon Transit: 5:13 PM
Moonset: 12:18 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
4:43 PM - 7:13 PM

Minor Periods

8:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Moderate rain
56°F
41.6°F
46.5°F
84%
0.35 in
87%
0%
8.7 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 11.75 μg/m3
PM10: 13 μg/m3
Carbon Monoxide: 210.69 μg/m3
Nitrogen Dioxide: 9.39 μg/m3
Sulphur Dioxide: 5.08 μg/m3
Ozone: 87.4 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:00 PM
Sunset: 7:48 PM
Daylight: 13 hrs 35 mins
Moonrise: 10:14 AM
Moon Transit: 6:15 PM
Moonset: 1:20 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:16 AM - 9:46 AM
5:45 PM - 8:15 PM

Minor Periods

9:44 AM - 11:14 AM
12:50 AM - 2:20 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Sunny
68.4°F
42.7°F
54.7°F
73%
0 in
0%
0%
12.5 mph
6.7


Air Quality

AQI: 2 - Moderate
PM2.5: 21.16 μg/m3
PM10: 23.48 μg/m3
Carbon Monoxide: 233.99 μg/m3
Nitrogen Dioxide: 16.29 μg/m3
Sulphur Dioxide: 4.04 μg/m3
Ozone: 76.8 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:00 PM
Sunset: 7:50 PM
Daylight: 13 hrs 38 mins
Moonrise: 11:28 AM
Moon Transit: 7:13 PM
Moonset: 2:09 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

8:16 AM - 10:46 AM
6:43 PM - 9:13 PM

Minor Periods

10:58 AM - 12:28 AM
1:39 AM - 3:09 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Overcast
59.7°F
46.2°F
51.2°F
60%
0 in
0%
0%
7.4 mph
3.3


Air Quality

AQI: 1 - Good
PM2.5: 4.62 μg/m3
PM10: 5.38 μg/m3
Carbon Monoxide: 195.62 μg/m3
Nitrogen Dioxide: 7.14 μg/m3
Sulphur Dioxide: 1.93 μg/m3
Ozone: 70.38 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:00 PM
Sunset: 7:51 PM
Daylight: 13 hrs 40 mins
Moonrise: 12:42 AM
Moon Transit: 8:06 PM
Moonset: 2:48 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

9:11 AM - 11:41 AM
7:36 PM - 10:06 PM

Minor Periods

12:12 AM - 1:42 PM
2:18 AM - 3:48 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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