What is the average water temperature in Wisconsin?

The current average water temperature across Wisconsin's monitored water bodies is 59.8°F.

🌡️

Wisconsin Water Temperatures

Q: What is the warmest lake in Wisconsin today?

Fox River Near New Munster, Wi at 84°F.

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

With Data

59.8°F

State Avg

84°F

Warmest

84°F

Warmest

Fox River Near New Munster, Wi

59.8°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 59.8°F

🎣

Fishing Conditions

🎣 Good — trout, walleye, bass

Based on avg 59.8°F

Wisconsin — Ranked by Temperature

71 with data

#	Water Body	°F	°C	Condition	🏊	Date
1	Fox River Near New Munster, Wi River	84°	28.9°	☀️ Warm	🏊 Excellent	Jul 17
2	Fox River At Oil Tank Depot At Green Bay, Wi River	82.8°	28.2°	☀️ Warm	🏊 Excellent	Jul 26
3	Holmes Ave Crk Trib @ Gmia Outfall 1 At Milwaukee Lake	81°	27.2°	☀️ Warm	🏊 Excellent	Jun 7
4	Fox River At Berlin, Wi River	79.7°	26.5°	☀️ Warm	✅ Good	Jul 27
5	St. Croix River At St. Croix Falls, Wi River	78.6°	25.9°	☀️ Warm	✅ Good	Jul 27
6	Bad River Near Odanah, Wi River	77°	25°	☀️ Warm	✅ Good	Jul 27
7	Oconto River Near Oconto, Wi River	77°	25°	☀️ Warm	✅ Good	Jul 27
8	Fox River At Appleton, Wi River	76.3°	24.6°	☀️ Warm	✅ Good	Jul 27
9	Milwaukee River At Milwaukee, Wi River	75.9°	24.4°	☀️ Warm	✅ Good	Jul 27
10	Fox River At Oshkosh, Wi River	75.7°	24.3°	☀️ Warm	✅ Good	Jul 27
11	Lake Monona At Madison, Wi Lake	75.2°	24°	☀️ Warm	✅ Good	Jul 27
12	Peshtigo River At Peshtigo, Wi River	75.2°	24°	☀️ Warm	✅ Good	Jul 27
13	Eau Galle River At Spring Valley, Wi River	73.4°	23°	🌤️ Comfortable	✅ Good	Jul 27
14	Popple River Near Fence, Wi River	73.2°	22.9°	🌤️ Comfortable	✅ Good	Jul 27
15	Menominee River Near Mc Allister, Wi River	73°	22.8°	🌤️ Comfortable	✅ Good	Jun 10
16	Pheasant Branch At Middleton, Wi Lake	72.9°	22.7°	🌤️ Comfortable	✅ Good	Jul 27
17	Tyler Forks River At Stricker Road Near Mellen, Wi River	72.3°	22.4°	🌤️ Comfortable	✅ Good	Jul 27
18	Red River At Morgan Road Near Morgan, Wi River	72.1°	22.3°	🌤️ Comfortable	✅ Good	Jul 27
19	Sugar River Near Verona, Wi River	72.1°	22.3°	🌤️ Comfortable	✅ Good	Jul 27
20	Fox River At De Pere, Wi River	70.3°	21.3°	🌤️ Comfortable	⚠️ Brisk	Sep 28
21	Little Platte River Near Platteville, Wi River	69.8°	21°	🌤️ Comfortable	⚠️ Brisk	Jun 24
22	Badger Mill Creek At Verona, Wi River	68.2°	20.1°	🌤️ Comfortable	⚠️ Brisk	Jul 27
23	Milwaukee River At Mouth At Milwaukee, Wi River	67.6°	19.8°	🌤️ Comfortable	⚠️ Brisk	Oct 7
24	Swan Creek At Lalor Road Near Fitchburg, Wi River	67.6°	19.8°	🌤️ Comfortable	⚠️ Brisk	Jul 27
25	Stillwell Creek At Yard Road Near Tomah, Wi River	67.6°	19.8°	🌤️ Comfortable	⚠️ Brisk	Jul 27
26	Dorn (Spring) Creek At Ct Highway M Nr Waunakee,Wi River	67.5°	19.7°	🌤️ Comfortable	⚠️ Brisk	Jul 27
27	Wilson Park Creek @ Gmia Outfall 7 @ Milwaukee,Wi River	65.8°	18.8°	🌤️ Comfortable	⚠️ Brisk	Jul 27
28	Black Earth Ck Nr Treatment Plnt @ Cross Plains,Wi Lake	65.7°	18.7°	🌤️ Comfortable	⚠️ Brisk	Jul 27
29	Menomonee River At 16Th Street At Milwaukee, Wi River	65.7°	18.7°	🌤️ Comfortable	⚠️ Brisk	Sep 29
30	La Crosse River @ Cnty Trunk Highwy Bb Nr Tomah,Wi River	65.7°	18.7°	🌤️ Comfortable	⚠️ Brisk	Jul 27
31	Silver Creek At State Highway 21 Near Angelo, Wi River	64.8°	18.2°	🌊 Cool	🚫 Cold	Jul 27
32	Namekagon River At Leonards, Wi River	64.6°	18.1°	🌊 Cool	🚫 Cold	Jul 27
33	Stillwell Creek At Sixteenth Court Near Tomah, Wi River	64.4°	18°	🌊 Cool	🚫 Cold	Jul 27
34	Rock River At Afton, Wi River	63.5°	17.5°	🌊 Cool	🚫 Cold	May 25
35	Black Earth Creek Nr Brewery Rd At Cross Plains,Wi River	60.8°	16°	🌊 Cool	🚫 Cold	Jul 27
36	Little Menomonee River Near Freistadt, Wi River	60.4°	15.8°	🌊 Cool	🚫 Cold	Sep 29
37	Chippewa River At Durand, Wi River	59.9°	15.5°	🌊 Cool	🚫 Cold	Sep 29
38	Delavan Lake Inlet At State Hwy 50 At Lake Lawn,Wi Lake	57.2°	14°	🌊 Cool	🚫 Cold	Sep 29
39	Livingston Br Pecatonica River Near Livingston, Wi River	56.3°	13.5°	🌊 Cool	🚫 Cold	Sep 30
40	Wisconsin River At Muscoda, Wi River	56.3°	13.5°	🌊 Cool	🚫 Cold	Sep 29
41	Jackson Creek At Mound Road Near Elkhorn, Wi River	56.1°	13.4°	🌊 Cool	🚫 Cold	Sep 29
42	Wilson Park Creek At Gmia Infall At Milwaukee, Wi River	55.8°	13.2°	🌊 Cool	🚫 Cold	Oct 21
43	Kickapoo River At La Farge, Wi River	54.9°	12.7°	❄️ Cold	⛔ Very cold	Sep 29
44	Honey Creek At Wauwatosa, Wi River	54.5°	12.5°	❄️ Cold	⛔ Very cold	Oct 23
45	Bad River At Odanah, Wi River	53.6°	12°	❄️ Cold	⛔ Very cold	Sep 29
46	Siskiwit River At Cornucopia, Wi River	53.4°	11.9°	❄️ Cold	⛔ Very cold	Sep 18
47	Oak Creek Near South Milwaukee, Wi River	53.4°	11.9°	❄️ Cold	⛔ Very cold	Oct 4
48	Bruce Valley Creek Near Pleasantville, Wi River	53.2°	11.8°	❄️ Cold	⛔ Very cold	Sep 29
49	Lincoln Creek @ Sherman Boulevard At Milwaukee, Wi River	53.1°	11.7°	❄️ Cold	⛔ Very cold	Oct 23
50	Kinnickinnic River @ S. 11Th Street @ Milwaukee,Wi River	53.1°	11.7°	❄️ Cold	⛔ Very cold	Oct 23
51	Duck Creek Near Howard, Wi River	52.7°	11.5°	❄️ Cold	⛔ Very cold	Oct 3
52	Black Earth Creek At Black Earth, Wi River	52°	11.1°	❄️ Cold	⛔ Very cold	Sep 29
53	Tomorrow River Near Nelsonville, Wi River	51.6°	10.9°	❄️ Cold	⛔ Very cold	Oct 11
54	Oak Creek At South Milwaukee, Wi River	51.4°	10.8°	❄️ Cold	⛔ Very cold	Oct 23
55	St. Croix River Near Danbury, Wi River	51.4°	10.8°	❄️ Cold	⛔ Very cold	Apr 9
56	Dell Creek Near Lake Delton, Wi River	51.1°	10.6°	❄️ Cold	⛔ Very cold	Sep 30
57	Little Menomonee River At Milwaukee, Wi River	50.4°	10.2°	❄️ Cold	⛔ Very cold	Oct 23
58	Manitowoc River At Manitowoc, Wi River	45.5°	7.5°	❄️ Cold	⛔ Very cold	Nov 7
59	Fox River At College Avenue Bridge At Appleton, Wi River	43.3°	6.3°	🧊 Very Cold	⛔ Very cold	Nov 16
60	Fox R At Rapide Croche Dam Near Wrightstown, Wi Reservoir	42.8°	6°	🧊 Very Cold	⛔ Very cold	Nov 17
61	Little Lake Butte Des Morts At Menasha, Wi Lake	42.8°	6°	🧊 Very Cold	⛔ Very cold	Nov 16
62	Root River At Racine, Wi River	41.9°	5.5°	🧊 Very Cold	⛔ Very cold	Nov 15
63	Root River Canal Near Franklin, Wi River	41°	5°	🧊 Very Cold	⛔ Very cold	Nov 15
64	Wilson Park Ck @ St. Lukes Hospital @ Milwaukee,Wi Lake	39.2°	4°	🧊 Very Cold	⛔ Very cold	Nov 19
65	Brewery Creek-Upstream Site-At Cross Plains, Wi River	39°	3.9°	🧊 Very Cold	⛔ Very cold	Mar 20
66	East River @ Cnty Trunk Highway Zz Nr Greenleaf,Wi River	37.2°	2.9°	🧊 Very Cold	⛔ Very cold	Nov 29
67	Cedar Creek Near Cedarburg, Wi River	36.5°	2.5°	🧊 Very Cold	⛔ Very cold	Nov 14
68	Menomonee River At Wauwatosa, Wi River	35.2°	1.8°	🧊 Very Cold	⛔ Very cold	Nov 23
69	Badger Mill Creek @ Highways 18 & 151 @ Madison,Wi River	34.3°	1.3°	🧊 Very Cold	⛔ Very cold	Dec 30
70	Menomonee River At Menomonee Falls, Wi River	33.8°	1°	🧊 Very Cold	⛔ Very cold	Nov 22
71	East River At Green Bay, Wi River	32.4°	0.2°	🧊 Very Cold	⛔ Very cold	Feb 10
72	Palmer Lake Near Land O Lakes, Wi Lake	—	—	—	—	—
73	Graber Pond At Middleton, Wi Lake	—	—	—	—	—
74	Legend Lake Site Number 1 Near Shawano, Wi Lake	—	—	—	—	—
75	Peshtigo River Near Wabeno, Wi River	—	—	—	—	—
76	St. Croix River At Prescott, Wi River	—	—	—	—	—
77	Yahara River At State Highway 113 At Madison, Wi River	—	—	—	—	—
78	Silver Lake At Portage, Wi Lake	—	—	—	—	—
79	Pats Pond Near Mount Vernon, Wi Lake	—	—	—	—	—
80	Deep Hole Lake Near Mole Lake, Wi Lake	—	—	—	—	—
81	Fox River At Princeton, Wi River	—	—	—	—	—
82	Nf Yellow R At Yellow River Rd Nr Perkinstown, Wi River	—	—	—	—	—
83	Little Sand Lake Near Mole Lake, Wi Lake	—	—	—	—	—
84	Lake Mary Near Twin Lakes, Wi-Il Lake	—	—	—	—	—
85	Red Cedar Lake At Mikana, Wi Lake	—	—	—	—	—
86	Wolf River At Langlade, Wi River	—	—	—	—	—
87	Hay River At Wheeler, Wi River	—	—	—	—	—
88	Upper Eau Claire Lake Near Brule, Wi Lake	—	—	—	—	—
89	Wind Lake At Outlet At Wind Lake, Wi Lake	—	—	—	—	—
90	Minocqua Lake At State Highway 47 Near Woodruff,Wi Lake	—	—	—	—	—
91	Black River Ds St Hwy 54 At Black River Falls, Wi River	—	—	—	—	—
92	Pecatonica River At Martintown, Wi River	—	—	—	—	—
93	Wood Lake Near Grantsburg, Wi Lake	—	—	—	—	—
94	Middle Genesee Lake At Genesee Lk Rd Nr Oconomowoc Lake	—	—	—	—	—
95	Vandercook Lake Near Woodruff, Wi Lake	—	—	—	—	—
96	Dutchman Creek At Cyrus St Nr Ashwaubenon, Wi River	—	—	—	—	—
97	Wisconsin River @ Rainbow Lake Nr Lake Tomahawk,Wi River	—	—	—	—	—
98	White River At Center Street At Lake Geneva, Wi River	—	—	—	—	—
99	Spruce Lake Near Boulder Junction, Wi Lake	—	—	—	—	—
100	Lac La Belle At Oconomowoc, Wi Lake	—	—	—	—	—

Fox River Near New Munster, Wi River

84°F

☀️ Warm

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

82.8°F

☀️ Warm

Holmes Ave Crk Trib @ Gmia Outfall 1 At Milwaukee Lake

81°F

☀️ Warm

Fox River At Berlin, Wi River

79.7°F

☀️ Warm

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

78.6°F

☀️ Warm

Bad River Near Odanah, Wi River

77°F

☀️ Warm

Oconto River Near Oconto, Wi River

77°F

☀️ Warm

Fox River At Appleton, Wi River

76.3°F

☀️ Warm

Milwaukee River At Milwaukee, Wi River

75.9°F

☀️ Warm

Fox River At Oshkosh, Wi River

75.7°F

☀️ Warm

Lake Monona At Madison, Wi Lake

75.2°F

☀️ Warm

Peshtigo River At Peshtigo, Wi River

75.2°F

☀️ Warm

Eau Galle River At Spring Valley, Wi River

73.4°F

🌤️ Comfortable

Popple River Near Fence, Wi River

73.2°F

🌤️ Comfortable

Menominee River Near Mc Allister, Wi River

73°F

🌤️ Comfortable

Pheasant Branch At Middleton, Wi Lake

72.9°F

🌤️ Comfortable

Tyler Forks River At Stricker Road Near Mellen, Wi River

72.3°F

🌤️ Comfortable

Red River At Morgan Road Near Morgan, Wi River

72.1°F

🌤️ Comfortable

Sugar River Near Verona, Wi River

72.1°F

🌤️ Comfortable

Fox River At De Pere, Wi River

70.3°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, Fox River Near New Munster, Wi is currently the warmest water body in Wisconsin at 84°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 59.8°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.