Water Temperature of Lake Mendota in Madison, WI

Current Water Temperature

55.2°F

Measurement Time: Friday, October 31, 2025, 10:15 AM CDT

Temperature Locations

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Local Points of Interest

Maple Bluff, WI; Shorewood Hills, WI; Middleton, WI; Waunakee, WI

Lake Mendota

Station Name: Madison 2NW
Data Source: USGS

Elevation Above Sea Level: 847 feet

Nearest Address:
Howard Temin Lakeshore Path
Madison, WI 53706
Dane County

GPS Coordinates: 43.0994, -89.4044

Nearby Water Temperatures

Lake Monona, Madison, WI (2.5 mi)
Pheasant Branch, Middleton, WI (5.4 mi)
Swan Creek, Fitchburg, WI (7.2 mi)
Yahara River, Windsor, WI (8 mi)
Badger Mill Creek, Verona, WI (10.9 mi)
Brewery Creek, Cross Plains, WI (11.8 mi)
Black Earth Creek, Cross Plains, WI (11.9 mi)
Sugar River, Verona, WI (12.6 mi)
Black Earth Creek, Cross Plains, WI (13.1 mi)
Black Earth Creek, Black Earth, WI (16.7 mi)
Eagle Spring Lake, Mukwonago, WI (51.8 mi)
Wisconsin River, Muscoda, WI (52.8 mi)
Fox River, Berlin, WI (63.2 mi)
Fond Du Lac River, Fond Du Lac, WI (67.7 mi)
Rock River, Byron, IL (67.9 mi)

Weather for Madison, Wisconsin

Current Weather

15.1°F
Light snow
Light snow
-0°F
16.1°F
80%
WNW 14.8 mph
19 mph
1°F
9.4°F
0 in
100%
2 mi
1015 mbar
0

Five Day Weather Forecast

Overcast
Sat
H: 19°F
L: 10°F
Patchy moderate snow
Sun
H: 14°F
L: 3°F
Light snow showers
Mon
H: 8°F
L: 2°F
Overcast
Tue
H: 2°F
L: -1°F
Heavy snow
Wed
H: 16°F
L: 3°F

Air Quality

PM2.5: 2.95 μg/m3
PM10: 3.05 μg/m3
Carbon Monoxide: 183.85 μg/m3
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:07 AM
Sunset: 4:51 PM
Daylight: 9 hrs 26 mins
Moonrise: 7:03 AM
Moon Transit: 11:16 AM
Moonset: 3:33 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:46 AM - 1:16 PM

Minor Periods

3:03 PM - 4:33 PM
6:33 AM - 8:03 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued January 17 at 10:33AM CST until January 17 at 6:00PM CST by NWS Milwaukee/Sullivan WI

Effective: Sat January 17, 2026, 10:33 AM
Expires: Sat January 17, 2026, 6:00 PM

* WHAT...Snow and areas of blowing and drifting snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Weather Advisory issued January 17 at 10:33AM CST until January 17 at 9:00PM CST by NWS Milwaukee/Sullivan WI

Effective: Sat January 17, 2026, 10:33 AM
Expires: Sat January 17, 2026, 6:45 PM

* WHAT...Snow and areas of blowing and drifting snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...Until 9 PM CST this evening. * IMPACTS...Plan on slippery road conditions.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Saturday, January 17, 2026

Weather Forecast

Overcast
19.2°F
10.3°F
14.6°F
74%
0 in
0%
6%
16.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.03 μg/m3
PM10: 2.07 μg/m3
Carbon Monoxide: 168.92 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 62.68 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:07 AM
Sunset: 4:51 PM
Daylight: 9 hrs 26 mins
Moonrise: 7:03 AM
Moon Transit: 11:16 AM
Moonset: 3:33 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:46 AM - 1:16 PM

Minor Periods

3:03 PM - 4:33 PM
6:33 AM - 8:03 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Patchy moderate snow
14.2°F
3.4°F
9.4°F
78%
0.02 in
77%
19%
12.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.47 μg/m3
PM10: 3.6 μg/m3
Carbon Monoxide: 183.28 μg/m3
Nitrogen Dioxide: 5.57 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 60.77 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:08 AM
Sunset: 4:52 PM
Daylight: 9 hrs 28 mins
Moonrise: 7:41 AM
Moon Transit: 12:07 AM
Moonset: 4:41 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:37 AM - 2:07 PM

Minor Periods

4:11 PM - 5:41 PM
7:11 AM - 8:41 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Light snow showers
7.6°F
2.3°F
8.4°F
78%
0.01 in
79%
42%
18.3 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:08 AM
Sunset: 4:53 PM
Daylight: 9 hrs 30 mins
Moonrise: 8:12 AM
Moon Transit: 12:56 AM
Moonset: 5:50 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
12:26 AM - 2:56 PM

Minor Periods

5:20 PM - 6:50 PM
7:42 AM - 9:12 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Overcast
2.2°F
-1°F
1.2°F
69%
0 in
0%
31%
17.7 mph
1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:08 AM
Sunset: 4:55 PM
Daylight: 9 hrs 31 mins
Moonrise: 8:38 AM
Moon Transit: 1:44 PM
Moonset: 7:01 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
1:14 PM - 3:44 PM

Minor Periods

6:31 PM - 8:01 PM
8:08 AM - 9:38 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Heavy snow
16.3°F
3.3°F
9.7°F
80%
0.05 in
66%
49%
14.5 mph
1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:09 AM
Sunset: 4:56 PM
Daylight: 9 hrs 33 mins
Moonrise: 8:59 AM
Moon Transit: 2:29 PM
Moonset: 8:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
1:59 PM - 4:29 PM

Minor Periods

7:41 PM - 9:11 PM
8:29 AM - 9:59 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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