Water Temperature of Little Lehigh Creek in Allentown, PA

Current Water Temperature

52.3°F

Measurement Time: Monday, April 20, 2026, 5:45 AM 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

43.3°F
Partly cloudy
Partly cloudy
36.8°F
43.1°F
65%
NNW 12.8 mph
14.7 mph
39.1°F
33.6°F
0 in
75%
9 mi
1022 mbar
2.2

Five Day Weather Forecast

Sunny
Mon
H: 48°F
L: 31°F
Sunny
Tue
H: 52°F
L: 26°F
Moderate rain
Wed
H: 64°F
L: 39°F
Sunny
Thu
H: 67°F
L: 39°F
Partly Cloudy
Fri
H: 66°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 4.45 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 95 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 2:25AM 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 26 expected. * WHERE...Portions of central, northern, 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.


Frost Advisory issued April 20 at 2:25AM EDT until April 20 at 8:00AM EDT by NWS Mount Holly NJ

Effective: Mon April 20, 2026, 2:25 AM
Expires: Mon April 20, 2026, 4:00 PM

* WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 26 expected. * WHERE...In New Jersey, Morris, Somerset, Warren, and Hunterdon Counties. In Pennsylvania, Northampton County. * WHEN...For the Frost Advisory, until 8 AM EDT this morning. For the Freeze Warning, 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. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


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...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 26 expected. * WHERE...In New Jersey, Morris, Somerset, Warren, and Hunterdon Counties. In Pennsylvania, Northampton County. * WHEN...For the Frost Advisory, until 8 AM EDT this morning. For the Freeze Warning, 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. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Freeze Warning issued April 20 at 2:25AM EDT until April 20 at 10:00AM EDT by NWS Mount Holly NJ

Effective: Mon April 20, 2026, 2:25 AM
Expires: Mon April 20, 2026, 4:00 PM

* WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 26. For the second Freeze Warning, sub-freezing temperatures as low as 22 expected. * WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and Monroe Counties. * WHEN...For the first Freeze Warning, until 10 AM EDT this morning. For the second Freeze Warning, 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 2:25AM 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...For the first Freeze Warning, sub-freezing temperatures as low as 26. For the second Freeze Warning, sub-freezing temperatures as low as 22 expected. * WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and Monroe Counties. * WHEN...For the first Freeze Warning, until 10 AM EDT this morning. For the second Freeze Warning, 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
47.8°F
31.3°F
40.2°F
65%
0 in
0%
0%
15 mph
4.9


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
52.2°F
26.2°F
39.8°F
48%
0 in
0%
0%
8.7 mph
6


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
63.9°F
39.3°F
48.3°F
81%
0.27 in
86%
0%
8.9 mph
4.5


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
66.5°F
38.5°F
51.8°F
65%
0 in
0%
0%
9.8 mph
6.8


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

Partly Cloudy
66.4°F
40.7°F
50.9°F
60%
0 in
0%
0%
7.4 mph
0.1


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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