Castle Rock Lake

Castle Rock Lake

Dellwood, Adams County, WI
22mi²
267.00ft
Directions
Lake Information

Nestled deep within the lush greenery of Adams County, Wisconsin lies a serene sanctuary of water, Castle Rock Lake. A playground for avid anglers and nature enthusiasts alike, this majestic lake boasts an impressive 13,955 acres of sheer bliss. But it's not just the vastness of the lake that makes it so special; it's the bountiful variety of aquatic life that calls it home. From the elusive Musky to the scrappy Smallmouth Bass, from the delectable Walleye to the awe-inspiring Sturgeon, and everything in between, Castle Rock Lake has it all. As you cast your line into the cool, clear water, you can feel the excitement building within you. Will you be the lucky one to land a prized catch? As you patiently wait, surrounded by the tranquil beauty of your surroundings, you can't help but feel at peace. Castle Rock Lake isn't just a place to fish; it's a place to reconnect with nature, to find solace in the simple pleasures of life, and to make memories that will last a lifetime. So come and experience the magic of Castle Rock Lake, where adventure and tranquility meet in perfect harmony.

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Current Conditions

63°F°
Feels like 61°F°
MostlyClear
Today's High
73°F°
Today's Low
36°F°

Water Temperature

56°F
Updated: (May 7)
Sign in to contribute temps.

Current water temperature for Castle Rock Lake is 56°F.

Current Snapshot

Wind7 mph ENE (Gust 12 mph)
Pressure
30.18 inHg
Visibility33 mi
Humidity35%
Cloud Cover20%

Forecast: Friday, May 9

Day 1 of 9

Hourly Insights

7 AM
39°F°
10 AM
56°F°
1 PM
68°F°
4 PM
73°F°

Temperature

High
73°F°
Low
36°F°

Precipitation

Chance2%
Amount0.00"
Typerain

Wind

4mph
Avg Speed
Gusts up to
13mph
CalmModerateStrong
Max Speed7 mph

Sun, Moon & UV

Sunrise10:40 AM
Sunset1:13 AM
Moon PhasewaxingGibbous
Max UV Index8 (Very 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)

5:00 AM - 5:00 AM

3:15 PM - 5:45 PM

Minor Times (Good)

10:04 PM - 11:34 PM

8:40 AM - 12:00 AM

Outlook for Friday at Castle Rock Lake

Expect temperatures ranging from 36°F to 73°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 4 mph, with potential gusts reaching up to 13 mph. The maximum UV index will be 8 (Very 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 5:00 AM and 3:15 PM, or try the minor windows near 10:04 PM and 8:40 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Castle Rock Lake.

Lake Map Views

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May 8th 2025

Lake Information

Elevation
267 ft
Area
22 mi²
Coordinates
43.903, -90.009

Weather Forecast

Friday

73°F
36°F

Saturday

73°F
52°F

Sunday

77°F
45°F

Monday

78°F
52°F

Tuesday

78°F
57°F

Wednesday

80°F
58°F

Thursday

81°F
59°F

Friday

71°F
57°F

Saturday

68°F
51°F
Friday - 5/9/2025
73°F
36°F
12am
43°F
56°F
30.23 hPa
4 mph
ESE
G: 10 mph
2am
39°F
56°F
30.24 hPa
4 mph
ESE
G: 8 mph
4am
37°F
56°F
30.24 hPa
2 mph
SSE
G: 2 mph
6am
36°F
56°F
30.24 hPa
2 mph
ENE
G: 2 mph
8am
45°F
56°F
30.26 hPa
1 mph
SSE
G: 5 mph
10am
56°F
56°F
30.26 hPa
3 mph
SW
G: 7 mph
12pm
65°F
56°F
30.22 hPa
3 mph
WSW
G: 7 mph
2pm
70°F
56°F
30.18 hPa
3 mph
WSW
G: 9 mph
4pm
73°F
56°F
30.14 hPa
6 mph
WSW
G: 11 mph
6pm
72°F
56°F
30.12 hPa
7 mph
WSW
G: 12 mph
8pm
65°F
56°F
30.12 hPa
6 mph
SW
G: 11 mph
10pm
59°F
56°F
30.14 hPa
6 mph
SW
G: 13 mph

Water Temperature History

Trends for Castle Rock Lake

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

33°F

On Feb 2

Coldest point in the Last 12 Months.

Average in Period

49°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: August (75°F).
  • Coolest avg: February (33°F).
  • Rapid warming often occurs: April → May (+17°F).
  • Sharpest cooling trend: September → October (-15°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

Wind Direction

102°

Pressure

1024 mb

Cloud Cover

7%

Visibility

21 miles

Daily Pressure Forecast

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Frequently Asked Questions About Castle Rock Lake

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