Water Temperature of Lake Mendota in Madison, WI
Current Water Temperature
Measurement Time: Tuesday, August 8, 2023, 10:15 AM CDT
Temperature Locations
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Local Points of Interest
Maple Bluff, WI; Shorewood Hills, WI; Middleton, WI; Waunakee, WISponsored Content
Station Name: Madison 2NW
Data Source: USGS
Elevation Above Sea Level: 846 feet / 258 meters
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 (8.0 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

Humidity: 75%
Feels Like: 61°F
Wind: NNE 6.7 mph
Wind Gusts: 14.1 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 4 mi
UV Index: 0
Five Day Weather Forecast

Thu
H: 78°F
L: 56°F

Fri
H: 77°F
L: 50°F

Sat
H: 76°F
L: 51°F

Sun
H: 78°F
L: 59°F

Mon
H: 79°F
L: 56°F
Air Quality
Nitrogen Dioxide: 13.51 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 49 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:20 PM
Daylight: 14 hrs 33 mins
Moon Transit: 6:15 PM
Moonset: 11:18 PM
Moon Phase: First Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
5:30 AM - 8:00 AM5:45 PM - 8:15 PM
Minor Periods
12:00 AM - 12:00 AM12:35 AM - 2:05 PM
Action Rating: 4 out of 5
Air Quality Alert issued July 31 at 10:44AM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu July 31, 2025, 10:44 AM
Expires: Fri August 1, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha, Lafayette, Marquette, Milwaukee, Ozaukee, Racine, Rock, Sauk, Sheboygan, Walworth, Washington, Waukesha. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Friday, August 1 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Widespread Unhealthy (Red) AQI for PM2.5 is expected across Wisconsin on Thursday, with NowCast AQI values in the Very Unhealthy (Purple) category possible. Conditions are expected to slowly improve beginning Friday. However, Unhealthy for Sensitive Groups (Orange) to Unhealthy (Red) AQI will remain possible through the weekend. Conditions will be reevaluated on a day-to- day basis through the weekend, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov
Air Quality Alert issued July 31 at 10:44AM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu July 31, 2025, 10:44 AM
Expires: Fri August 1, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha, Lafayette, Marquette, Milwaukee, Ozaukee, Racine, Rock, Sauk, Sheboygan, Walworth, Washington, Waukesha. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Friday, August 1 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Widespread Unhealthy (Red) AQI for PM2.5 is expected across Wisconsin on Thursday, with NowCast AQI values in the Very Unhealthy (Purple) category possible. Conditions are expected to slowly improve beginning Friday. However, Unhealthy for Sensitive Groups (Orange) to Unhealthy (Red) AQI will remain possible through the weekend. Conditions will be reevaluated on a day-to- day basis through the weekend, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov
Air Quality Alert issued July 31 at 10:44AM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu July 31, 2025, 10:44 AM
Expires: Fri August 1, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha, Lafayette, Marquette, Milwaukee, Ozaukee, Racine, Rock, Sauk, Sheboygan, Walworth, Washington, Waukesha. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Friday, August 1 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Widespread Unhealthy (Red) AQI for PM2.5 is expected across Wisconsin on Thursday, with NowCast AQI values in the Very Unhealthy (Purple) category possible. Conditions are expected to slowly improve beginning Friday. However, Unhealthy for Sensitive Groups (Orange) to Unhealthy (Red) AQI will remain possible through the weekend. Conditions will be reevaluated on a day-to- day basis through the weekend, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov
Air Quality Alert issued July 31 at 10:44AM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu July 31, 2025, 10:44 AM
Expires: Fri August 1, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha, Lafayette, Marquette, Milwaukee, Ozaukee, Racine, Rock, Sauk, Sheboygan, Walworth, Washington, Waukesha. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Friday, August 1 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Widespread Unhealthy (Red) AQI for PM2.5 is expected across Wisconsin on Thursday, with NowCast AQI values in the Very Unhealthy (Purple) category possible. Conditions are expected to slowly improve beginning Friday. However, Unhealthy for Sensitive Groups (Orange) to Unhealthy (Red) AQI will remain possible through the weekend. Conditions will be reevaluated on a day-to- day basis through the weekend, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov
Air Quality Alert issued July 31 at 10:44AM CDT by NWS Milwaukee/Sullivan WI
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu July 31, 2025, 10:44 AM
Expires: Fri August 1, 2025, 12:00 PM
The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha, Lafayette, Marquette, Milwaukee, Ozaukee, Racine, Rock, Sauk, Sheboygan, Walworth, Washington, Waukesha. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Friday, August 1 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Widespread Unhealthy (Red) AQI for PM2.5 is expected across Wisconsin on Thursday, with NowCast AQI values in the Very Unhealthy (Purple) category possible. Conditions are expected to slowly improve beginning Friday. However, Unhealthy for Sensitive Groups (Orange) to Unhealthy (Red) AQI will remain possible through the weekend. Conditions will be reevaluated on a day-to- day basis through the weekend, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov
Weather Forecast
Average Temperature: 66°F
Average Humidity: 75%
Wind: 13.9 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 7.41 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 84.6 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:20 PM
Daylight: 14 hrs 33 mins
Moon Transit: 6:15 PM
Moonset: 11:18 PM
Moon Phase: First Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
5:30 AM - 8:00 AM5:45 PM - 8:15 PM
Minor Periods
12:00 AM - 12:00 AM12:35 AM - 2:05 PM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 64.3°F
Average Humidity: 69%
Wind: 8.3 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 9.43 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 69.44 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:19 PM
Daylight: 14 hrs 30 mins
Moon Transit: 7:00 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
6:12 AM - 8:42 AM6:30 PM - 9:00 PM
Minor Periods
1:39 PM - 3:09 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 65.1°F
Average Humidity: 75%
Wind: 4 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 28.68 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 73.16 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:18 PM
Daylight: 14 hrs 28 mins
Moon Transit: 7:45 PM
Moonset: 12:41 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
6:57 AM - 9:27 AM7:15 PM - 9:45 PM
Minor Periods
2:44 PM - 4:14 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 67.6°F
Average Humidity: 74%
Wind: 7.8 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 25.75 μg/m3
Sulphur Dioxide: 3.37 μg/m3
Ozone: 79.32 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:16 PM
Daylight: 14 hrs 26 mins
Moon Transit: 8:35 PM
Moonset: 12:11 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
7:45 AM - 10:15 AM8:05 PM - 10:35 PM
Minor Periods
3:49 PM - 5:19 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 67.6°F
Average Humidity: 75%
Wind: 6.7 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 32.83 μg/m3
Sulphur Dioxide: 3.12 μg/m3
Ozone: 65.77 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:15 PM
Daylight: 14 hrs 23 mins
Moon Transit: 9:27 PM
Moonset: 12:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
8:36 AM - 11:06 AM8:57 PM - 11:27 PM
Minor Periods
4:50 PM - 6:20 PM12:18 AM - 1:48 AM
Action Rating: 2 out of 5