What is the average water temperature in Wisconsin?

The current average water temperature across Wisconsin's monitored water bodies is 57.3°F.

🌡️

Wisconsin Water Temperatures

Q: What is the warmest lake in Wisconsin today?

Holmes Ave Crk Trib @ Gmia Outfall 1 At Milwaukee at 81°F.

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

With Data

57.3°F

State Avg

81°F

Warmest

81°F

Warmest

Holmes Ave Crk Trib @ Gmia Outfall 1 At Milwaukee

57.3°F

State Average

100 water bodies

32.4°F

Coldest

East River At Green Bay, Wi

🏊

Swimming Conditions

🚫 Too cold for most swimmers

Based on avg 57.3°F

🎣

Fishing Conditions

🎣 Good — trout, walleye, bass

Based on avg 57.3°F

Wisconsin — Ranked by Temperature

70 with data

#	Water Body	°F	°C	Condition	🏊	Date
1	Holmes Ave Crk Trib @ Gmia Outfall 1 At Milwaukee Lake	81°	27.2°	☀️ Warm	🏊 Excellent	Jun 7
2	Fox River At Berlin, Wi River	75.9°	24.4°	☀️ Warm	✅ Good	Jun 4
3	St. Croix River At St. Croix Falls, Wi River	74.7°	23.7°	🌤️ Comfortable	✅ Good	Jun 4
4	Fox River Near New Munster, Wi River	73.2°	22.9°	🌤️ Comfortable	✅ Good	Jun 5
5	Fox River At Oshkosh, Wi River	72.9°	22.7°	🌤️ Comfortable	✅ Good	Jun 4
6	Fox River At Appleton, Wi River	72.7°	22.6°	🌤️ Comfortable	✅ Good	Jun 4
7	Fox River At Oil Tank Depot At Green Bay, Wi River	72.7°	22.6°	🌤️ Comfortable	✅ Good	Jun 4
8	Lake Monona At Madison, Wi Lake	72.1°	22.3°	🌤️ Comfortable	✅ Good	Jun 4
9	Peshtigo River At Peshtigo, Wi River	71.8°	22.1°	🌤️ Comfortable	⚠️ Brisk	Jun 4
10	Menominee River Near Mc Allister, Wi River	71.4°	21.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
11	Milwaukee River At Milwaukee, Wi River	70.5°	21.4°	🌤️ Comfortable	⚠️ Brisk	Jun 4
12	Fox River At De Pere, Wi River	70.3°	21.3°	🌤️ Comfortable	⚠️ Brisk	Sep 28
13	Oconto River Near Oconto, Wi River	70.3°	21.3°	🌤️ Comfortable	⚠️ Brisk	Jun 4
14	Pheasant Branch At Middleton, Wi Lake	70°	21.1°	🌤️ Comfortable	⚠️ Brisk	Jun 4
15	Little Platte River Near Platteville, Wi River	69.8°	21°	🌤️ Comfortable	⚠️ Brisk	Jun 24
16	Popple River Near Fence, Wi River	69.3°	20.7°	🌤️ Comfortable	⚠️ Brisk	Jun 4
17	Tyler Forks River At Stricker Road Near Mellen, Wi River	67.8°	19.9°	🌤️ Comfortable	⚠️ Brisk	Jun 4
18	Milwaukee River At Mouth At Milwaukee, Wi River	67.6°	19.8°	🌤️ Comfortable	⚠️ Brisk	Oct 7
19	Red River At Morgan Road Near Morgan, Wi River	66.2°	19°	🌤️ Comfortable	⚠️ Brisk	Jun 4
20	Menomonee River At 16Th Street At Milwaukee, Wi River	65.7°	18.7°	🌤️ Comfortable	⚠️ Brisk	Sep 29
21	Eau Galle River At Spring Valley, Wi River	65.3°	18.5°	🌤️ Comfortable	⚠️ Brisk	Jun 4
22	Dorn (Spring) Creek At Ct Highway M Nr Waunakee,Wi River	64.4°	18°	🌊 Cool	🚫 Cold	Jun 4
23	Sugar River Near Verona, Wi River	63.9°	17.7°	🌊 Cool	🚫 Cold	Jun 5
24	Rock River At Afton, Wi River	63.5°	17.5°	🌊 Cool	🚫 Cold	May 25
25	Stillwell Creek At Sixteenth Court Near Tomah, Wi River	63.1°	17.3°	🌊 Cool	🚫 Cold	Jun 4
26	Silver Creek At State Highway 21 Near Angelo, Wi River	62.8°	17.1°	🌊 Cool	🚫 Cold	Jun 4
27	Namekagon River At Leonards, Wi River	61.7°	16.5°	🌊 Cool	🚫 Cold	Jun 4
28	La Crosse River @ Cnty Trunk Highwy Bb Nr Tomah,Wi River	60.6°	15.9°	🌊 Cool	🚫 Cold	Jun 4
29	Little Menomonee River Near Freistadt, Wi River	60.4°	15.8°	🌊 Cool	🚫 Cold	Sep 29
30	Badger Mill Creek At Verona, Wi River	60.3°	15.7°	🌊 Cool	🚫 Cold	Jun 5
31	Swan Creek At Lalor Road Near Fitchburg, Wi River	60.3°	15.7°	🌊 Cool	🚫 Cold	Jun 4
32	Black Earth Ck Nr Treatment Plnt @ Cross Plains,Wi Lake	60.1°	15.6°	🌊 Cool	🚫 Cold	Jun 4
33	Chippewa River At Durand, Wi River	59.9°	15.5°	🌊 Cool	🚫 Cold	Sep 29
34	Black Earth Creek Nr Brewery Rd At Cross Plains,Wi River	58.5°	14.7°	🌊 Cool	🚫 Cold	Jun 4
35	Delavan Lake Inlet At State Hwy 50 At Lake Lawn,Wi Lake	57.2°	14°	🌊 Cool	🚫 Cold	Sep 29
36	Livingston Br Pecatonica River Near Livingston, Wi River	56.3°	13.5°	🌊 Cool	🚫 Cold	Sep 30
37	Wisconsin River At Muscoda, Wi River	56.3°	13.5°	🌊 Cool	🚫 Cold	Sep 29
38	Jackson Creek At Mound Road Near Elkhorn, Wi River	56.1°	13.4°	🌊 Cool	🚫 Cold	Sep 29
39	Wilson Park Creek At Gmia Infall At Milwaukee, Wi River	55.8°	13.2°	🌊 Cool	🚫 Cold	Oct 21
40	Wilson Park Creek @ Gmia Outfall 7 @ Milwaukee,Wi River	55.2°	12.9°	🌊 Cool	🚫 Cold	Jun 4
41	Kickapoo River At La Farge, Wi River	54.9°	12.7°	❄️ Cold	⛔ Very cold	Sep 29
42	Stillwell Creek At Yard Road Near Tomah, Wi River	54.5°	12.5°	❄️ Cold	⛔ Very cold	Jun 4
43	Honey Creek At Wauwatosa, Wi River	54.5°	12.5°	❄️ Cold	⛔ Very cold	Oct 23
44	Bad River At Odanah, Wi River	53.6°	12°	❄️ Cold	⛔ Very cold	Sep 29
45	Oak Creek Near South Milwaukee, Wi River	53.4°	11.9°	❄️ Cold	⛔ Very cold	Oct 4
46	Bruce Valley Creek Near Pleasantville, Wi River	53.2°	11.8°	❄️ Cold	⛔ Very cold	Sep 29
47	Lincoln Creek @ Sherman Boulevard At Milwaukee, Wi River	53.1°	11.7°	❄️ Cold	⛔ Very cold	Oct 23
48	Kinnickinnic River @ S. 11Th Street @ Milwaukee,Wi River	53.1°	11.7°	❄️ Cold	⛔ Very cold	Oct 23
49	Duck Creek Near Howard, Wi River	52.7°	11.5°	❄️ Cold	⛔ Very cold	Oct 3
50	Black Earth Creek At Black Earth, Wi River	52°	11.1°	❄️ Cold	⛔ Very cold	Sep 29
51	Tomorrow River Near Nelsonville, Wi River	51.6°	10.9°	❄️ Cold	⛔ Very cold	Oct 11
52	Oak Creek At South Milwaukee, Wi River	51.4°	10.8°	❄️ Cold	⛔ Very cold	Oct 23
53	St. Croix River Near Danbury, Wi River	51.4°	10.8°	❄️ Cold	⛔ Very cold	Apr 9
54	Dell Creek Near Lake Delton, Wi River	51.1°	10.6°	❄️ Cold	⛔ Very cold	Sep 30
55	Little Menomonee River At Milwaukee, Wi River	50.4°	10.2°	❄️ Cold	⛔ Very cold	Oct 23
56	Bad River Near Odanah, Wi River	50.2°	10.1°	❄️ Cold	⛔ Very cold	May 10
57	Manitowoc River At Manitowoc, Wi River	45.5°	7.5°	❄️ Cold	⛔ Very cold	Nov 7
58	Fox River At College Avenue Bridge At Appleton, Wi River	43.3°	6.3°	🧊 Very Cold	⛔ Very cold	Nov 16
59	Fox R At Rapide Croche Dam Near Wrightstown, Wi Reservoir	42.8°	6°	🧊 Very Cold	⛔ Very cold	Nov 17
60	Little Lake Butte Des Morts At Menasha, Wi Lake	42.8°	6°	🧊 Very Cold	⛔ Very cold	Nov 16
61	Root River At Racine, Wi River	41.9°	5.5°	🧊 Very Cold	⛔ Very cold	Nov 15
62	Root River Canal Near Franklin, Wi River	41°	5°	🧊 Very Cold	⛔ Very cold	Nov 15
63	Wilson Park Ck @ St. Lukes Hospital @ Milwaukee,Wi Lake	39.2°	4°	🧊 Very Cold	⛔ Very cold	Nov 19
64	Brewery Creek-Upstream Site-At Cross Plains, Wi River	39°	3.9°	🧊 Very Cold	⛔ Very cold	Mar 20
65	East River @ Cnty Trunk Highway Zz Nr Greenleaf,Wi River	37.2°	2.9°	🧊 Very Cold	⛔ Very cold	Nov 29
66	Cedar Creek Near Cedarburg, Wi River	36.5°	2.5°	🧊 Very Cold	⛔ Very cold	Nov 14
67	Menomonee River At Wauwatosa, Wi River	35.2°	1.8°	🧊 Very Cold	⛔ Very cold	Nov 23
68	Badger Mill Creek @ Highways 18 & 151 @ Madison,Wi River	34.3°	1.3°	🧊 Very Cold	⛔ Very cold	Dec 30
69	Menomonee River At Menomonee Falls, Wi River	33.8°	1°	🧊 Very Cold	⛔ Very cold	Nov 22
70	East River At Green Bay, Wi River	32.4°	0.2°	🧊 Very Cold	⛔ Very cold	Feb 10
71	Piscasaw Creek Near Walworth, Wi River	—	—	—	—	—
72	White Sand Lake Near Boulder Junction, Wi Lake	—	—	—	—	—
73	Oconomowoc Lake No. 1 (Center) At Oconomowoc, Wi Lake	—	—	—	—	—
74	Rest Lake At Ct Hwy W Dam Nr Manitowish Waters, Wi Lake	—	—	—	—	—
75	Kewaunee River Near Kewaunee, Wi River	—	—	—	—	—
76	Eau Claire River At Kelly, Wi River	—	—	—	—	—
77	Beaver Dam Lake At Cumberland, Wi Lake	—	—	—	—	—
78	Sinissippi Lake Off Anthony Isl @ Hustisford, Wi Lake	—	—	—	—	—
79	Baraboo River At La Valle, Wi River	—	—	—	—	—
80	Yellow River At Babcock, Wi River	—	—	—	—	—
81	Spring Lake Near Merrill, Wi Lake	—	—	—	—	—
82	Green Lake At County Trunk Hwy A Nr Green Lake, Wi Lake	—	—	—	—	—
83	Nemadji River Near South Superior, Wi River	—	—	—	—	—
84	Mud Lake Near Poynette, Wi Lake	—	—	—	—	—
85	Hills Lake Near Wild Rose, Wi Lake	—	—	—	—	—
86	South Branch Rock River At Waupun, Wi River	—	—	—	—	—
87	Lake Nebagamon Near Lake Nebagamon, Wi Lake	—	—	—	—	—
88	Esser'S Pond At Middleton, Wi Lake	—	—	—	—	—
89	Lamotte Lake Near Shawano, Wi Lake	—	—	—	—	—
90	Menominee River Below Pemene Creek Nr Pembine, Wi River	—	—	—	—	—
91	Rock River At Fort Atkinson, Wi River	—	—	—	—	—
92	Wheeler Lake Near Lakewood, Wi Lake	—	—	—	—	—
93	Turtle Lake Near Delavan, Wi Lake	—	—	—	—	—
94	Pine Lake Near Chetek, Wi Lake	—	—	—	—	—
95	Silver Creek At Florist Drive At Oneida, Wi River	—	—	—	—	—
96	South Fork Flambeau River Near Phillips, Wi River	—	—	—	—	—
97	Irogami Lake Outlet Near Wautoma, Wi Lake	—	—	—	—	—
98	Silver Lake At Silver Lake, Wi Lake	—	—	—	—	—
99	Wabikon Lake Near Crandon, Wi Lake	—	—	—	—	—
100	Silver Creek At Spaulding Road Near Green Lake, Wi River	—	—	—	—	—

Holmes Ave Crk Trib @ Gmia Outfall 1 At Milwaukee Lake

81°F

☀️ Warm

Fox River At Berlin, Wi River

75.9°F

☀️ Warm

St. Croix River At St. Croix Falls, Wi River

74.7°F

🌤️ Comfortable

Fox River Near New Munster, Wi River

73.2°F

🌤️ Comfortable

Fox River At Oshkosh, Wi River

72.9°F

🌤️ Comfortable

Fox River At Appleton, Wi River

72.7°F

🌤️ Comfortable

Fox River At Oil Tank Depot At Green Bay, Wi River

72.7°F

🌤️ Comfortable

Lake Monona At Madison, Wi Lake

72.1°F

🌤️ Comfortable

Peshtigo River At Peshtigo, Wi River

71.8°F

🌤️ Comfortable

Menominee River Near Mc Allister, Wi River

71.4°F

🌤️ Comfortable

Milwaukee River At Milwaukee, Wi River

70.5°F

🌤️ Comfortable

Fox River At De Pere, Wi River

70.3°F

🌤️ Comfortable

Oconto River Near Oconto, Wi River

70.3°F

🌤️ Comfortable

Pheasant Branch At Middleton, Wi Lake

70°F

🌤️ Comfortable

Little Platte River Near Platteville, Wi River

69.8°F

🌤️ Comfortable

Popple River Near Fence, Wi River

69.3°F

🌤️ Comfortable

Tyler Forks River At Stricker Road Near Mellen, Wi River

67.8°F

🌤️ Comfortable

Milwaukee River At Mouth At Milwaukee, Wi River

67.6°F

🌤️ Comfortable

Red River At Morgan Road Near Morgan, Wi River

66.2°F

🌤️ Comfortable

Menomonee River At 16Th Street At Milwaukee, Wi River

65.7°F

🌤️ Comfortable

More Wisconsin Resources

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

❓ Wisconsin Water Temperature FAQ

What is the warmest lake in Wisconsin today?

Based on our latest USGS data, Holmes Ave Crk Trib @ Gmia Outfall 1 At Milwaukee is currently the warmest water body in Wisconsin at 81°F.

Which Wisconsin lakes are good for swimming right now?

Lakes with water temperatures above 72°F are generally comfortable for swimming. Currently, Wisconsin's average water temperature is 57.3°F — check individual lakes above for specific conditions.

What is the best water temperature for fishing in Wisconsin?

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 Wisconsin — 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.