Lake Koshkonong

Lake Koshkonong

Koshkonong, Dane County, WI
17mi²
235.00ft
Directions
Lake Information

Nestled in the heart of Wisconsin, Lake Koshkonong is a sprawling 10,595-acre freshwater gem that beckons to outdoor enthusiasts and nature lovers alike. This expansive lake, which spans Jefferson, Rock, and Dane Counties, is a testament to the natural beauty that defines the region. With its diverse fish population, numerous recreational opportunities, and picturesque landscapes, Lake Koshkonong is a destination that captivates visitors year-round. Lake Koshkonong's beauty lies in its unspoiled natural surroundings. Surrounded by rolling hills, dense forests, and picturesque farmland, the lake offers a serene escape from the hustle and bustle of everyday life. Its calm waters reflect the changing seasons, creating a scenic masterpiece that evolves throughout the year. For avid anglers, Lake Koshkonong is nothing short of a paradise. The lake is home to a diverse array of fish species, including Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye, and Catfish. Whether you prefer casting your line from the shore, trolling from a boat, or ice fishing in the winter, Lake Koshkonong provides endless opportunities to land the catch of a lifetime. Lake Koshkonong caters to a wide range of recreational pursuits. Visitors can access the lake from public boat landings, allowing them to explore the water's expanse by boat, jet ski, or kayak. Swimming and sunbathing at public beaches are favorite summer pastimes, offering a refreshing break from the summer heat. In winter, the lake transforms into a winter wonderland, inviting ice fishing enthusiasts to drill holes and skate across its frozen surface. While Lake Koshkonong offers abundant recreational opportunities, it's essential to note that the lake's water clarity is very low. This unique characteristic poses challenges for underwater visibility but doesn't deter the dedicated anglers who appreciate the thrill of the hunt. The lake's diverse underwater ecosystem is still teeming with fish, making it an excellent spot for those who enjoy the excitement of the unknown beneath the surface. Lake Koshkonong isn't just a natural wonder; it's a community of individuals who share a love for the outdoors. Accessible from various points along its shores, the lake fosters a sense of togetherness among visitors and locals alike. Whether you're a seasoned angler, a family seeking a summer getaway, or a nature enthusiast in search of breathtaking views, Lake Koshkonong welcomes all who appreciate the great outdoors. Lake Koshkonong, with its expansive waters and natural beauty, is a testament to Wisconsin's commitment to preserving its outdoor heritage. Whether you're angling for the next big catch, indulging in water sports, or simply seeking a tranquil retreat, Lake Koshkonong offers it all. Come and experience the allure of this remarkable lake, where serenity meets natural splendor in the heart of the Badger State.

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Current Conditions

58°F°
Feels like 57°F°
MostlyClear
Today's High
74°F°
Today's Low
46°F°

Water Temperature

46°F
Updated: (May 5)
Sign in to contribute temps.

Current water temperature for Lake Koshkonong is 46°F.

Current Snapshot

Wind6 mph ESE (Gust 9 mph)
Pressure
30.01 inHg
Visibility15 mi
Humidity73%
Cloud Cover29%

Forecast: Tuesday, May 6

Day 1 of 9

Hourly Insights

7 AM
49°F°
10 AM
62°F°
1 PM
70°F°
4 PM
73°F°

Temperature

High
74°F°
Low
46°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

6mph
Avg Speed
Gusts up to
16mph
CalmModerateStrong
Max Speed9 mph

Sun, Moon & UV

Sunrise10:42 AM
Sunset1:02 AM
Moon PhasewaxingGibbous
Max UV Index7 (High)

Solunar Fishing Forecast

Action Rating
2/5

Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

1:33 AM - 4:03 AM

1:21 PM - 3:51 PM

Minor Times (Good)

6:52 PM - 8:22 PM

7:43 AM - 9:13 AM

Outlook for Tuesday at Lake Koshkonong

Expect temperatures ranging from 46°F to 74°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 6 mph, with potential gusts reaching up to 16 mph. The maximum UV index will be 7 (High), so plan sun protection accordingly. For anglers, today's fishing action is rated 2/5 (Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 1:33 AM and 1:21 PM, or try the minor windows near 6:52 PM and 7:43 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lake Koshkonong.

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May 5th 2025

Lake Information

Elevation
235 ft
Area
17 mi²
Coordinates
42.869, -88.916

Weather Forecast

Tuesday

74°F
46°F

Wednesday

69°F
48°F

Thursday

61°F
42°F

Friday

66°F
38°F

Saturday

74°F
46°F

Sunday

75°F
46°F

Monday

77°F
55°F

Tuesday

78°F
59°F

Wednesday

80°F
59°F
Tuesday - 5/6/2025
74°F
46°F
12am
48°F
46°F
30.03 hPa
5 mph
E
G: 7 mph
2am
47°F
46°F
30.02 hPa
3 mph
SE
G: 4 mph
4am
46°F
46°F
30.01 hPa
5 mph
WSW
G: 8 mph
6am
48°F
46°F
30.02 hPa
5 mph
W
G: 7 mph
8am
54°F
46°F
30.02 hPa
7 mph
W
G: 11 mph
10am
62°F
46°F
30.02 hPa
8 mph
WNW
G: 14 mph
12pm
68°F
46°F
30.00 hPa
8 mph
W
G: 14 mph
2pm
71°F
46°F
29.97 hPa
9 mph
WNW
G: 15 mph
4pm
73°F
46°F
29.95 hPa
7 mph
NW
G: 15 mph
6pm
73°F
46°F
29.95 hPa
5 mph
NW
G: 13 mph
8pm
67°F
46°F
29.97 hPa
6 mph
SW
G: 9 mph
10pm
61°F
46°F
29.98 hPa
6 mph
SSE
G: 12 mph

Water Temperature History

Trends for Lake Koshkonong

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

33°F

On Jan 22

Coldest point in the Last 12 Months.

Average in Period

51°F

Typical temp during the Last 12 Months.

Temperature Trend: Last 12 Months

Surface temperature over the selected period.

Key Observations (Last 12 Months)

  • Warmest avg: July (76°F).
  • Coolest avg: January (34°F).
  • Rapid warming often occurs: April → May (+12°F).
  • Sharpest cooling trend: September → October (-13°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm0481216

Wind Direction

92°

Pressure

1017 mb

Cloud Cover

21%

Visibility

10 miles

Daily Pressure Forecast

TueWedThuFriSatSunMonTueWed0.008.8617.7226.5835.44
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Frequently Asked Questions About Lake Koshkonong

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