Water Temperature of Lake Mendota in Madison, WI
Current Water Temperature
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, WIStation 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

Five Day Weather Forecast

Fri
H: 1°F
L: -17°F

Sat
H: 5°F
L: -9°F

Sun
H: 14°F
L: 2°F

Mon
H: 13°F
L: -3°F

Tue
H: 19°F
L: 3°F
Air Quality
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 62 μg/m3
Astronomical
Sun Transit: 12:09 AM
Sunset: 4:58 PM
Daylight: 9 hrs 37 mins
Moon Transit: 8:54 AM
Moonset: 10:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Best Times for Fishing or Hunting
Major Periods
8:24 AM - 10:54 AM8:24 AM - 10:54 AM
Minor Periods
10:02 PM - 11:32 PM9:09 AM - 10:39 AM
Action Rating: 2 out of 5
Cold Weather Advisory issued January 22 at 8:39PM CST until January 24 at 12:00PM CST by NWS Milwaukee/Sullivan WI
Effective: Thu January 22, 2026, 8:39 PM
Expires: Fri January 23, 2026, 4:45 AM
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 42 below expected. For the Cold Weather Advisory, very cold wind chills as low as 33 below expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...For the Extreme Cold Warning, from midnight tonight to 1 PM CST Friday. For the Cold Weather Advisory, from 1 PM Friday to noon CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 40 below zero could cause frostbite on exposed skin in as little as 10 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Extreme Cold Warning issued January 22 at 8:39PM CST until January 23 at 1:00PM CST by NWS Milwaukee/Sullivan WI
Effective: Thu January 22, 2026, 8:39 PM
Expires: Fri January 23, 2026, 4:45 AM
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 42 below expected. For the Cold Weather Advisory, very cold wind chills as low as 33 below expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...For the Extreme Cold Warning, from midnight tonight to 1 PM CST Friday. For the Cold Weather Advisory, from 1 PM Friday to noon CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 40 below zero could cause frostbite on exposed skin in as little as 10 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Cold Weather Advisory issued January 23 at 3:14AM CST until January 24 at 12:00PM CST by NWS Milwaukee/Sullivan WI
Effective: Fri January 23, 2026, 3:14 AM
Expires: Fri January 23, 2026, 12:00 PM
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 40 below. For the Cold Weather Advisory, very cold wind chills as low as 30 below expected. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...For the Extreme Cold Warning, until 1 PM CST this afternoon. For the Cold Weather Advisory, from 1 PM this afternoon to noon CST Saturday. * IMPACTS...Dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Extreme Cold Warning issued January 23 at 3:14AM CST until January 23 at 1:00PM CST by NWS Milwaukee/Sullivan WI
Effective: Fri January 23, 2026, 3:14 AM
Expires: Fri January 23, 2026, 12:00 PM
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 40 below. For the Cold Weather Advisory, very cold wind chills as low as 30 below expected. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...For the Extreme Cold Warning, until 1 PM CST this afternoon. For the Cold Weather Advisory, from 1 PM this afternoon to noon CST Saturday. * IMPACTS...Dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Cold Weather Advisory issued January 23 at 3:14AM CST until January 24 at 12:00PM CST by NWS Milwaukee/Sullivan WI
Effective: Fri January 23, 2026, 3:14 AM
Expires: Fri January 23, 2026, 12:00 PM
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 42 below through mid-morning today, and between 30 and 35 below tonight into early Saturday morning. For the Cold Weather Advisory, very cold wind chills as low as 30 below expected. * WHERE...Fond du Lac, Sheboygan, Green Lake, Marquette, Dodge, Ozaukee, and Washington Counties. * WHEN...For the Extreme Cold Warning, until 6 AM CST Saturday. For the Cold Weather Advisory, from 6 AM to noon CST Saturday. * IMPACTS...Dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Extreme Cold Warning issued January 23 at 3:14AM CST until January 24 at 6:00AM CST by NWS Milwaukee/Sullivan WI
Effective: Fri January 23, 2026, 3:14 AM
Expires: Fri January 23, 2026, 12:00 PM
* WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 42 below through mid-morning today, and between 30 and 35 below tonight into early Saturday morning. For the Cold Weather Advisory, very cold wind chills as low as 30 below expected. * WHERE...Fond du Lac, Sheboygan, Green Lake, Marquette, Dodge, Ozaukee, and Washington Counties. * WHEN...For the Extreme Cold Warning, until 6 AM CST Saturday. For the Cold Weather Advisory, from 6 AM to noon CST Saturday. * IMPACTS...Dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes.
Dress in layers including a hat, face mask, and gloves if you must go outside. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.58 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 64.64 μg/m3
Astronomical
Sun Transit: 12:09 AM
Sunset: 4:58 PM
Daylight: 9 hrs 37 mins
Moon Transit: 8:54 AM
Moonset: 10:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Best Times for Fishing or Hunting
Major Periods
8:24 AM - 10:54 AM8:24 AM - 10:54 AM
Minor Periods
10:02 PM - 11:32 PM9:09 AM - 10:39 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.4 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 52.12 μg/m3
Astronomical
Sun Transit: 12:09 AM
Sunset: 5:00 PM
Daylight: 9 hrs 40 mins
Moon Transit: 4:45 PM
Moonset: 11:44 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Best Times for Fishing or Hunting
Major Periods
3:56 AM - 6:26 AM4:15 PM - 6:45 PM
Minor Periods
12:00 AM - 12:00 AM9:30 AM - 11:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 16.88 μg/m3
Sulphur Dioxide: 2.81 μg/m3
Ozone: 46.48 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:01 PM
Daylight: 9 hrs 42 mins
Moon Transit: 5:34 PM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
4:44 AM - 7:14 AM5:04 PM - 7:34 PM
Minor Periods
9:53 AM - 11:23 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.55 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 57.84 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:02 PM
Daylight: 9 hrs 44 mins
Moon Transit: 6:27 PM
Moonset: 1:01 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%
Best Times for Fishing or Hunting
Major Periods
5:35 AM - 8:05 AM5:57 PM - 8:27 PM
Minor Periods
10:21 AM - 11:51 AM12:31 AM - 2:01 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.29 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 63.69 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 5:03 PM
Daylight: 9 hrs 46 mins
Moon Transit: 7:26 PM
Moonset: 2:20 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%
Best Times for Fishing or Hunting
Major Periods
6:31 AM - 9:01 AM6:56 PM - 9:26 PM
Minor Periods
10:56 AM - 12:26 AM1:50 AM - 3:20 AM
Action Rating: 2 out of 5
