What is the average water temperature in Pennsylvania?

The current average water temperature across Pennsylvania's monitored water bodies is 67.8°F.

🌡️

Pennsylvania Water Temperatures

Q: What is the warmest lake in Pennsylvania today?

West Branch Susquehanna River At Lewisburg, Pa at 80.1°F.

Current lake & river temperatures in Pennsylvania — updated daily from USGS sensors.

100

With Data

67.8°F

State Avg

80.1°F

Warmest

80.1°F

Warmest

West Branch Susquehanna River At Lewisburg, Pa

67.8°F

State Average

100 water bodies

63.7°F

Coldest

Youghiogheny River At Sutersville, Pa

🏊

Swimming Conditions

⚠️ Brisk — wetsuit recommended

Based on avg 67.8°F

🎣

Fishing Conditions

🎣 Good — trout, walleye, bass

Based on avg 67.8°F

Pennsylvania — Ranked by Temperature

100 with data

#	Water Body	°F	°C	Condition	🏊	Date
1	West Branch Susquehanna River At Lewisburg, Pa River	80.1°	26.7°	☀️ Warm	🏊 Excellent	Sep 29
2	Susquehanna River At Danville, Pa River	80.1°	26.7°	☀️ Warm	🏊 Excellent	Jun 4
3	Schuylkill River At Norristown, Pa River	74.3°	23.5°	🌤️ Comfortable	✅ Good	Jun 4
4	Cheat River At Lake Lynn, Pa River	74.3°	23.5°	🌤️ Comfortable	✅ Good	Sep 15
5	Susquehanna River At Columbia, Pa River	73.9°	23.3°	🌤️ Comfortable	✅ Good	Jun 4
6	Perkiomen Creek At Graterford, Pa River	73.8°	23.2°	🌤️ Comfortable	✅ Good	Jun 4
7	Neshaminy Creek Near Langhorne, Pa River	73.6°	23.1°	🌤️ Comfortable	✅ Good	Jun 4
8	West Conewago Creek Near Manchester, Pa River	73.4°	23°	🌤️ Comfortable	✅ Good	Jun 4
9	Frankford Creek At Castor Ave, Philadelphia, Pa River	71.6°	22°	🌤️ Comfortable	⚠️ Brisk	Jun 4
10	Trout Run At Avondale, Pa Lake	71.4°	21.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
11	Codorus Creek Near Saginaw, Pa River	70.9°	21.6°	🌤️ Comfortable	⚠️ Brisk	Jun 4
12	Swatara Creek Near Palmyra, Pa River	70.5°	21.4°	🌤️ Comfortable	⚠️ Brisk	Jun 4
13	Brandywine Creek At Chadds Ford, Pa River	70.5°	21.4°	🌤️ Comfortable	⚠️ Brisk	Jun 4
14	Connoquenessing Creek Near Zelienople, Pa River	70.3°	21.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
15	Delaware River At Pennypack Woods Pa River	70°	21.1°	🌤️ Comfortable	⚠️ Brisk	Jun 4
16	Delaware River At Chester Pa River	69.8°	21°	🌤️ Comfortable	⚠️ Brisk	Jun 4
17	French Creek Near Phoenixville, Pa River	69.8°	21°	🌤️ Comfortable	⚠️ Brisk	Jun 4
18	Darby Creek Near Darby, Pa River	69.8°	21°	🌤️ Comfortable	⚠️ Brisk	Sep 10
19	Beaver River At Wampum, Pa River	69.8°	21°	🌤️ Comfortable	⚠️ Brisk	Jun 4
20	Cobbs Creek At Mt. Moriah Cemetery, Philadelphia River	69.8°	21°	🌤️ Comfortable	⚠️ Brisk	Jun 4
21	Susquehanna River Near Peach Bottom, Pa River	69.8°	21°	🌤️ Comfortable	⚠️ Brisk	Jun 4
22	Delaware River At Pond Eddy Ny River	69.6°	20.9°	🌤️ Comfortable	⚠️ Brisk	Jun 5
23	Delaware River At Fort Mifflin At Philadelphia, Pa River	69.6°	20.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
24	Delaware River At Barryville Ny River	69.4°	20.8°	🌤️ Comfortable	⚠️ Brisk	Jun 5
25	Conewago Creek Near Falmouth, Pa River	69.3°	20.7°	🌤️ Comfortable	⚠️ Brisk	Jun 4
26	Delaware River At Montague Nj River	69.3°	20.7°	🌤️ Comfortable	⚠️ Brisk	Jun 4
27	Allegheny River At Lock & Dam 5 Near Freeport, Pa River	69.3°	20.7°	🌤️ Comfortable	⚠️ Brisk	Jun 4
28	Wissahickon Creek At Mouth, Philadelphia, Pa River	68.9°	20.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
29	Wb Susquehanna River At Williamsport, Pa River	68.9°	20.5°	🌤️ Comfortable	⚠️ Brisk	Sep 29
30	Lehigh River At Glendon, Pa River	68.9°	20.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
31	Dunkard Creek At Shannopin, Pa River	68.7°	20.4°	🌤️ Comfortable	⚠️ Brisk	Jun 4
32	Buck Run At Doe Run, Pa Lake	68.7°	20.4°	🌤️ Comfortable	⚠️ Brisk	Jun 4
33	Swift Run At Brickcrafter Rd Nr New Oxford, Pa Lake	68.7°	20.4°	🌤️ Comfortable	⚠️ Brisk	Jun 4
34	Wissahickon Creek At Fort Washington, Pa River	68.5°	20.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
35	Stonycreek River At Ferndale, Pa River	68.5°	20.3°	🌤️ Comfortable	⚠️ Brisk	Sep 28
36	Wb Susquehanna River At Karthaus, Pa River	68.5°	20.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
37	South Fork Tenmile Creek At Jefferson, Pa River	68.5°	20.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
38	Allegheny R At Cw Bill Young L&D At Acmetonia, Pa Lake	68.4°	20.2°	🌤️ Comfortable	⚠️ Brisk	Jun 4
39	East Branch Brandywine Creek Below Downingtown, Pa River	68.4°	20.2°	🌤️ Comfortable	⚠️ Brisk	Jun 4
40	Corey Creek Near Mainesburg, Pa River	68°	20°	🌤️ Comfortable	⚠️ Brisk	Sep 27
41	Wb Susquehanna River At Lock Haven, Pa River	68°	20°	🌤️ Comfortable	⚠️ Brisk	Sep 30
42	Conewago Creek Near Bellaire, Pa River	68°	20°	🌤️ Comfortable	⚠️ Brisk	Jun 4
43	Ohio River At Montgomery Lock & Dam, Lower Pool River	68°	20°	🌤️ Comfortable	⚠️ Brisk	Jun 4
44	Stony Creek At Sterigere Street At Norristown, Pa River	68°	20°	🌤️ Comfortable	⚠️ Brisk	Jun 4
45	Blacklick Creek At Josephine, Pa River	67.8°	19.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
46	Shenango River Near Transfer, Pa River	67.8°	19.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
47	Conemaugh River At Tunnelton, Pa River	67.8°	19.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
48	White Clay Creek Near Strickersville, Pa River	67.6°	19.8°	🌤️ Comfortable	⚠️ Brisk	Jun 5
49	Muddy Creek At Castle Fin, Pa River	67.6°	19.8°	🌤️ Comfortable	⚠️ Brisk	Jun 4
50	West Branch Brandywine Creek At Modena, Pa River	67.6°	19.8°	🌤️ Comfortable	⚠️ Brisk	Jun 4
51	Cedar Creek At Mouth Near Allentown, Pa River	67.5°	19.7°	🌤️ Comfortable	⚠️ Brisk	Jun 4
52	Manatawny Creek Near Spangsville, Pa River	67.5°	19.7°	🌤️ Comfortable	⚠️ Brisk	Jun 4
53	Delaware River At Callicoon Ny River	67.3°	19.6°	🌤️ Comfortable	⚠️ Brisk	Jun 5
54	Cobbs Cr At U.S. Hghwy No. 1 At Philadelphia, Pa Lake	67.1°	19.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
55	Youghiogheny River At Connellsville, Pa River	67.1°	19.5°	🌤️ Comfortable	⚠️ Brisk	Sep 29
56	Chiques Creek Near Marietta, Pa River	67.1°	19.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
57	Shenango River Near West New Castle, Pa River	67.1°	19.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
58	Delaware River At Penn'S Landing, Philadelphia, Pa River	66.9°	19.4°	🌤️ Comfortable	⚠️ Brisk	May 20
59	Lackawanna River At Old Forge, Pa River	66.9°	19.4°	🌤️ Comfortable	⚠️ Brisk	Sep 29
60	West Branch White Clay Creek Near Chesterville, Pa River	66.7°	19.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
61	Fishing Creek At Goldsboro, Pa River	66.7°	19.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
62	Sacony Creek At Normal Avenue At Kutztown, Pa River	66.7°	19.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
63	Shohola Creek Near Walker Lake, Pa River	66.7°	19.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
64	Pine Creek Bl L Pine Creek Near Waterville, Pa River	66.6°	19.2°	🌤️ Comfortable	⚠️ Brisk	Jun 4
65	Lackawaxen River At Hawley, Pa River	66.6°	19.2°	🌤️ Comfortable	⚠️ Brisk	Jun 4
66	N Br Towanda Cr, Clark Rd Nr Granville Summit Pa Lake	66.6°	19.2°	🌤️ Comfortable	⚠️ Brisk	Jun 4
67	Tulpehocken Creek Near Bernville, Pa River	66.6°	19.2°	🌤️ Comfortable	⚠️ Brisk	Jun 4
68	Loyalhanna Creek At Latrobe, Pa River	66.4°	19.1°	🌤️ Comfortable	⚠️ Brisk	Jun 4
69	West Branch Brandywine Creek At Coatesville, Pa River	66.2°	19°	🌤️ Comfortable	⚠️ Brisk	Jun 4
70	Monongahela River Near Masontown, Pa River	66°	18.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
71	Shenango River At Sharpsville, Pa River	66°	18.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
72	Kreutz Creek At Strickler, Pa River	65.8°	18.8°	🌤️ Comfortable	⚠️ Brisk	Jun 4
73	Little Conewago Crk, Gingrich Rd At Upper Lawn Pa Lake	65.7°	18.7°	🌤️ Comfortable	⚠️ Brisk	Jun 4
74	Loyalhanna Creek At Loyalhanna Dam, Pa River	65.7°	18.7°	🌤️ Comfortable	⚠️ Brisk	Jun 4
75	Monongahela R At Lock & Dam 8, At Point Marion, Pa Reservoir	65.7°	18.7°	🌤️ Comfortable	⚠️ Brisk	Jun 5
76	Tobyhanna Creek Near Blakeslee, Pa River	65.5°	18.6°	🌤️ Comfortable	⚠️ Brisk	Jun 4
77	Crooked Creek At Idaho, Pa River	65.3°	18.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
78	Rays Br Juniata R Bl Rays Dam Nr Huntingdon, Pa Reservoir	65.3°	18.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
79	Casselman River At Markleton, Pa River	65.3°	18.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
80	Conemaugh River At Seward, Pa River	65.1°	18.4°	🌤️ Comfortable	⚠️ Brisk	Jun 4
81	Cowanesque River Near Lawrenceville, Pa River	64.8°	18.2°	🌊 Cool	🚫 Cold	Jun 4
82	Little Mahoning Creek At Mccormick, Pa River	64.8°	18.2°	🌊 Cool	🚫 Cold	Jun 4
83	Crooked Creek At Crooked Creek Dam Near Ford City River	64.8°	18.2°	🌊 Cool	🚫 Cold	Jun 4
84	Walnut Creek Upstream Pool, Near Erie, Pa River	64.6°	18.1°	🌊 Cool	🚫 Cold	Jun 4
85	Fishing Creek At Craley, Pa River	64.6°	18.1°	🌊 Cool	🚫 Cold	Jun 4
86	Delaware River At Lordville Ny River	64.4°	18°	🌊 Cool	🚫 Cold	Jun 5
87	Conemaugh River Below Conemaugh Dam, Pa River	64.4°	18°	🌊 Cool	🚫 Cold	Jun 4
88	Little Lehigh Creek At Tenth St. Br. At Allentown River	64.4°	18°	🌊 Cool	🚫 Cold	Jun 4
89	French Creek At Utica, Pa River	64.4°	18°	🌊 Cool	🚫 Cold	Sep 29
90	Lehigh River At Stoddartsville, Pa River	64.2°	17.9°	🌊 Cool	🚫 Cold	Jun 4
91	Little Bush Kill Creek At Bushkill, Pa River	64.2°	17.9°	🌊 Cool	🚫 Cold	Aug 27
92	Lackawaxen River Near Baoba, Pa River	64.2°	17.9°	🌊 Cool	🚫 Cold	Jun 4
93	Middle Branch White Clay Creek Near West Grove,Pa River	64.2°	17.9°	🌊 Cool	🚫 Cold	Jun 4
94	Conneaut Creek At Dickonsburg, Pa River	64°	17.8°	🌊 Cool	🚫 Cold	Jun 4
95	Tioga River At Tioga Junction, Pa River	63.9°	17.7°	🌊 Cool	🚫 Cold	Jun 4
96	Lackawaxen River At Rowland, Pa River	63.9°	17.7°	🌊 Cool	🚫 Cold	Jun 4
97	Tionesta Creek At Tionesta Creek Dam, Pa River	63.9°	17.7°	🌊 Cool	🚫 Cold	Jun 4
98	Mahoning Creek At Mahoning Creek Dam, Pa River	63.9°	17.7°	🌊 Cool	🚫 Cold	Jun 4
99	Woodcock Creek At Blooming Valley, Pa River	63.7°	17.6°	🌊 Cool	🚫 Cold	Jun 4
100	Youghiogheny River At Sutersville, Pa River	63.7°	17.6°	🌊 Cool	🚫 Cold	Jun 4

West Branch Susquehanna River At Lewisburg, Pa River

80.1°F

☀️ Warm

Susquehanna River At Danville, Pa River

80.1°F

☀️ Warm

Schuylkill River At Norristown, Pa River

74.3°F

🌤️ Comfortable

Cheat River At Lake Lynn, Pa River

74.3°F

🌤️ Comfortable

Susquehanna River At Columbia, Pa River

73.9°F

🌤️ Comfortable

Perkiomen Creek At Graterford, Pa River

73.8°F

🌤️ Comfortable

Neshaminy Creek Near Langhorne, Pa River

73.6°F

🌤️ Comfortable

West Conewago Creek Near Manchester, Pa River

73.4°F

🌤️ Comfortable

Frankford Creek At Castor Ave, Philadelphia, Pa River

71.6°F

🌤️ Comfortable

Trout Run At Avondale, Pa Lake

71.4°F

🌤️ Comfortable

Codorus Creek Near Saginaw, Pa River

70.9°F

🌤️ Comfortable

Swatara Creek Near Palmyra, Pa River

70.5°F

🌤️ Comfortable

Brandywine Creek At Chadds Ford, Pa River

70.5°F

🌤️ Comfortable

Connoquenessing Creek Near Zelienople, Pa River

70.3°F

🌤️ Comfortable

Delaware River At Pennypack Woods Pa River

70°F

🌤️ Comfortable

Delaware River At Chester Pa River

69.8°F

🌤️ Comfortable

French Creek Near Phoenixville, Pa River

69.8°F

🌤️ Comfortable

Darby Creek Near Darby, Pa River

69.8°F

🌤️ Comfortable

Beaver River At Wampum, Pa River

69.8°F

🌤️ Comfortable

Cobbs Creek At Mt. Moriah Cemetery, Philadelphia River

69.8°F

🌤️ Comfortable

More Pennsylvania Resources

🗺️ Pennsylvania Water Levels 🎣 Weekly Fishing Report ⛵ Boat Ramp Status 🌵 Drought Conditions 🌡️ All States

❓ Pennsylvania Water Temperature FAQ

What is the warmest lake in Pennsylvania today?

Based on our latest USGS data, West Branch Susquehanna River At Lewisburg, Pa is currently the warmest water body in Pennsylvania at 80.1°F.

Which Pennsylvania lakes are good for swimming right now?

Lakes with water temperatures above 72°F are generally comfortable for swimming. Currently, Pennsylvania's average water temperature is 67.8°F — check individual lakes above for specific conditions.

What is the best water temperature for fishing in Pennsylvania?

The optimal temperature range depends on your target species. For bass fishing, look for water bodies between 65–75°F. For trout, target the coldest water bodies in Pennsylvania — typically 50–65°F. Use the table above to identify which lakes are in the ideal range for your target species.

🔬 Data Methodology & Sources

Water temperature readings on this site are collected from USGS (United States Geological Survey) monitoring stations installed at lakes, rivers, and reservoirs across the country. Sensors measure water surface temperature in Celsius, which is converted to Fahrenheit for display. Data is retrieved and stored daily. Temperatures shown reflect the most recent available sensor reading for each water body, typically from the past 1–30 days depending on station reporting frequency.

⚠️ Water temperatures can vary significantly across a water body due to depth, currents, and time of day. Sensor readings represent conditions at the monitoring station location. Always exercise caution when swimming and consult local authorities for official safety advisories.