Water Temperature of Lake Monona in Madison, WI

Current Water Temperature

78.4°F

Measurement Time: Sunday, August 10, 2025, 3:00 AM CDT

Temperature Locations

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Local Points of Interest

Brittingham Park; Brittingham Beach; Menona Bay; Greenbush

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Lake Monona

Station Name: LAKE MONONA AT MADISON, WI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 840 feet / 256 meters

Nearest Address:
795 W Washington Ave
Madison, WI 53715
Dane County

GPS Coordinates: 43.0633297, -89.3970636

Nearby Water Temperatures

Lake Mendota, Madison, WI (2.5 mi)
Swan Creek, Fitchburg, WI (4.8 mi)
Pheasant Branch, Middleton, WI (6.4 mi)
Badger Mill Creek, Verona, WI (9.3 mi)
Yahara River, Windsor, WI (10.3 mi)
Sugar River, Verona, WI (10.8 mi)
Black Earth Creek, Cross Plains, WI (12.7 mi)
Brewery Creek, Cross Plains, WI (12.7 mi)
Black Earth Creek, Cross Plains, WI (13.9 mi)
Black Earth Creek, Black Earth, WI (17.6 mi)
Eagle Spring Lake, Mukwonago, WI (50.7 mi)
Wisconsin River, Muscoda, WI (53.6 mi)
Rock River, Byron, IL (65.4 mi)
Fox River, Berlin, WI (65.4 mi)
Fox River, Burlington, WI (67.1 mi)

Weather for Madison, Wisconsin

Current Weather

69.1°F
Light rain
Conditions: Light rain
Humidity: 93%
Feels Like: 69.1°F
Wind: S 13.4 mph
Wind Gusts: 19.8 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0.1

Five Day Weather Forecast

Heavy rain
Sun
H: 79°F
L: 67°F
Heavy rain
Mon
H: 77°F
L: 69°F
Fog
Tue
H: 86°F
L: 69°F
Sunny
Wed
H: 79°F
L: 64°F
Sunny
Thu
H: 77°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 6.66 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 397.75 μg/m3
Nitrogen Dioxide: 5 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:02 PM
Sunset: 8:07 PM
Daylight: 14 hrs 9 mins
Moonrise: 9:01 PM
Moon Transit: 1:52 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
1:51 PM - 4:21 PM

Minor Periods

8:31 PM - 10:01 PM
6:47 AM - 8:17 AM

Action Rating: 4 out of 5

Flood Advisory issued August 10 at 6:52AM CDT until August 10 at 10:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Sun August 10, 2025, 6:52 AM
Expires: Sun August 10, 2025, 10:00 AM

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Wisconsin, including the following county, Dane. * WHEN...Until 1000 AM CDT. * IMPACTS...Minor flooding in low-lying, flood prone roads and poor drainage areas. * ADDITIONAL DETAILS... - At 651 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Madison, Fitchburg, Middleton, Verona, McFarland, Monona, Shorewood Hills, Maple Bluff, Henry Vilas Zoo, Camp Randall Stadium and UW-Madison. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.


Flood Watch issued August 10 at 3:51AM CDT until August 11 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Sun August 10, 2025, 3:51 AM
Expires: Sun August 10, 2025, 12:00 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible into early Monday. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Additional thunderstorms through today will be capable of heavy rainfall. Any storms that train over areas for an extended period of time will cause flash flooding. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.


Flood Watch issued August 10 at 3:51AM CDT until August 11 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Sun August 10, 2025, 3:51 AM
Expires: Sun August 10, 2025, 12:00 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible into early Monday. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Additional thunderstorms through today will be capable of heavy rainfall. Any storms that train over areas for an extended period of time will cause flash flooding. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.


Flood Watch issued August 10 at 3:51AM CDT until August 11 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Sun August 10, 2025, 3:51 AM
Expires: Sun August 10, 2025, 12:00 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible into early Monday. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Additional thunderstorms through today will be capable of heavy rainfall. Any storms that train over areas for an extended period of time will cause flash flooding. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.


Flood Watch issued August 10 at 3:51AM CDT until August 11 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Sun August 10, 2025, 3:51 AM
Expires: Sun August 10, 2025, 12:00 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible into early Monday. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Additional thunderstorms through today will be capable of heavy rainfall. Any storms that train over areas for an extended period of time will cause flash flooding. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.


Sunday, August 10, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 71.8°F
Average Humidity: 93%
Chance of Rain: 81%
Wind: 15.4 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 6.7 μg/m3
Carbon Monoxide: 406.26 μg/m3
Nitrogen Dioxide: 8.62 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 85.64 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:02 PM
Sunset: 8:07 PM
Daylight: 14 hrs 9 mins
Moonrise: 9:01 PM
Moon Transit: 1:52 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
1:51 PM - 4:21 PM

Minor Periods

8:31 PM - 10:01 PM
6:47 AM - 8:17 AM

Action Rating: 4 out of 5

Monday, August 11, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 71.9°F
Average Humidity: 95%
Chance of Rain: 85%
Wind: 10.5 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 4.72 μg/m3
PM10: 5.34 μg/m3
Carbon Monoxide: 381.4 μg/m3
Nitrogen Dioxide: 8.98 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 76.6 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:02 PM
Sunset: 8:05 PM
Daylight: 14 hrs 6 mins
Moonrise: 9:21 PM
Moon Transit: 2:40 AM
Moonset: 8:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
12:00 AM - 12:00 AM

Minor Periods

8:51 PM - 10:21 PM
8:02 AM - 9:32 AM

Action Rating: 2 out of 5

Tuesday, August 12, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 75.7°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 6.42 μg/m3
PM10: 6.95 μg/m3
Carbon Monoxide: 407 μg/m3
Nitrogen Dioxide: 10.09 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 66.72 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:02 PM
Sunset: 8:04 PM
Daylight: 14 hrs 3 mins
Moonrise: 9:42 PM
Moon Transit: 6:21 AM
Moonset: 9:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
5:51 AM - 8:21 AM

Minor Periods

9:12 PM - 10:42 PM
9:17 AM - 10:47 AM

Action Rating: 4 out of 5

Wednesday, August 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 11.45 μg/m3
PM10: 11.88 μg/m3
Carbon Monoxide: 411.74 μg/m3
Nitrogen Dioxide: 11.31 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 68.6 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:02 PM
Sunset: 8:02 PM
Daylight: 14 hrs 1 mins
Moonrise: 10:05 PM
Moon Transit: 4:15 AM
Moonset: 11:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

3:45 AM - 6:15 AM
4:14 PM - 6:44 PM

Minor Periods

9:35 PM - 11:05 PM
10:32 AM - 12:02 AM

Action Rating: 3 out of 5

Thursday, August 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 67.9°F
Average Humidity: 83%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 13.39 μg/m3
PM10: 13.59 μg/m3
Carbon Monoxide: 521.56 μg/m3
Nitrogen Dioxide: 23.84 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 51.15 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:02 PM
Sunset: 8:01 PM
Daylight: 13 hrs 58 mins
Moonrise: 10:31 PM
Moon Transit: 5:04 AM
Moonset: 12:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

4:34 AM - 7:04 AM
5:05 PM - 7:35 PM

Minor Periods

10:01 PM - 11:31 PM
11:50 AM - 1:20 PM

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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