Question 1

What is the current water temperature at Lake Wilhelm?

Accepted Answer

The current water temperature at Lake Wilhelm is 59°F as of January 12, 1781. This temperature reading is based on our advanced satellite monitoring system and current data collection. Water temperature is a crucial factor for fishing success and water activities.

Question 2

How often is the Lake Wilhelm water temperature updated?

Accepted Answer

Water temperature data for Lake Wilhelm is updated daily through our satellite monitoring system. The last update was made on January 12, 1781. We use advanced thermal imaging and surface monitoring technology to provide accurate temperature readings.

Question 3

What activities are suitable for the current water temperature at Lake Wilhelm?

Accepted Answer

With the current water temperature of 59°F at Lake Wilhelm, conditions are suitable for fishing and boating activities. The temperature typically fluctuates 2-3 degrees throughout the day. This data is monitored via satellite and updated regularly to help you plan your lake activities.

Question 4

How good is the fishing at Lake Wilhelm with the current water temperature?

Accepted Answer

The current water temperature of 59°F at Lake Wilhelm is suitable for fishing, though fish activity may vary. For best results, fish during early morning or late evening hours when fish are most active. Always check local fishing regulations and licenses before fishing.

Question 5

What is Lake Wilhelm and what activities are available?

Accepted Answer

Lake Wilhelm is a picturesque man-made lake situated within Maurice K. Goddard State Park in Mercer County, Pennsylvania, and is a popular destination for fishing and boating enthusiasts. The lake was formed by damming Sandy Creek in 1971 and has since then become a major attraction for outdoor recreation in the area. The lake is surrounded by lush greenery and rolling hills, providing visitors with stunning views of the landscape. The park itself features a wide range of activities for visitors to enjoy, including hiking trails, picnic areas, camping facilities, and an extensive network of biking trails.

One of the main attractions of Lake Wilhelm is the abundance of fish species that can be caught in its waters. Anglers can expect to reel in species such as bass, walleye, musky, northern pike, and catfish, among others. The lake's prime location and well-managed fish populations make it a popular destination for fishing tournaments. The lake is also known for its clean water and healthy fish populations, making it a favorite spot for catch-and-release fishing.

Boating is another popular activity at Lake Wilhelm. The lake features two marinas, boat launches, and plenty of dock space, making it easy for visitors to enjoy a day out on the water. The lake has a 20 horsepower limit on boats, making it a safe place for boaters of all skill levels. The calm waters and picturesque surroundings provide an ideal setting for kayaking, paddleboarding, and canoeing.

Aside from fishing and boating, visitors to Lake Wilhelm can enjoy a variety of other outdoor activities in the surrounding state park. The park offers miles of hiking trails that wind through dense forests, rolling hills, and along the lake's shoreline. Picnic areas, pavilions, and campsites provide visitors with ample opportunities to enjoy the beautiful surroundings, and the park's extensive network of biking trails offers a thrilling way to explore the area.

In summary, Lake Wilhelm is a beautiful and popular destination for outdoor enthusiasts, particularly those interested in fishing and boating. The lake's well-managed fish populations and clean water, coupled with the park's many other amenities, make it an ideal spot for families and individuals looking to enjoy a day out in nature. With so many activities available, visitors to Lake Wilhelm are sure to find something to suit their interests and make lasting memories.

Question 6

How big and deep is Lake Wilhelm?

Accepted Answer

Lake Wilhelm is a substantial body of water covering 1680.00 acres (2.63 square miles) with a maximum depth of 0.00 meters (0 feet). This size and depth make it ideal for various activities including and water recreation.

Question 7

What are the current conditions at Lake Wilhelm?

Accepted Answer

Current conditions at Lake Wilhelm as of May 12, 2026:
      Water temperature is 59°F, 
      weather is MostlyClear, 
      and water clarity is typical for the season. 
      These conditions are regularly updated to help you plan your visit.

Question 8

When is the best time to fish at Lake Wilhelm?

Accepted Answer

The best fishing times at Lake Wilhelm vary by season:
      Spring (March-May): Spring fishing at the lake is excellent for . Focus on shallow areas warming up first, and use light tackle as fish become more active after winter.
      Summer (June-August): During summer months, fish are most active early morning and late evening. Look for  in deeper, cooler waters during mid-day.
      Fall (September-November): Fall brings excellent fishing opportunities as  feed heavily before winter. Focus on areas with falling water temperatures.
      Winter (December-February): Ice fishing is popular during winter months. Target  in shallower bays and near structure, always ensuring safe ice conditions.
      Additionally, early morning and late evening typically offer the best fishing conditions.

Question 9

What facilities and access points are available at Lake Wilhelm?

Accepted Answer

Lake Wilhelm offers the following facilities and amenities:

Please note that some facilities may have seasonal hours or closures. Check current conditions and regulations before your visit.

Question 10

Is ice fishing safe at Lake Wilhelm, and what's the current ice thickness?

Accepted Answer

The current ice thickness at Lake Wilhelm is 0-1 inches as of May 12, 2026. This winter season's average ice thickness is 1 inches based on 348 measurements. Ice thickness is currently stable by approximately 0.00 inches per day.

Safe ice thickness guidelines:
- 4 inches: Safe for walking and ice fishing
- 8-12 inches: Safe for snowmobiles and ATVs
- 12-15 inches: Safe for small vehicles
- 20+ inches: Safe for medium trucks

Current ice thickness is NOT safe for any activities.

Important safety notes:
- Ice thickness can vary across the lake
- Check conditions frequently as they change daily
- Bring proper safety equipment (ice picks, rope, flotation device)
- Never go on ice alone
- Verify conditions locally before venturing out

This data is based on our current ice monitoring system which tracks daily changes in ice thickness.

Question 11

What water recreation activities are available at Lake Wilhelm?

Accepted Answer

Lake Wilhelm offers various recreational opportunities including:
      - Fishing

Additional lake information:
      - Lake size: 1680.00 acres (2.63 square miles)
      - Maximum depth: 0.00 meters

The lake is particularly suitable for fishing and boating 
      during current conditions. Always check weather forecasts and local regulations before activities.

Question 12

What's the best time to visit Lake Wilhelm, and how's the weather?

Accepted Answer

The best time to visit Lake Wilhelm depends on your planned activities:
      - Summer (June-August): Ideal for swimming, boating, and water sports
      - Spring/Fall: Excellent fishing and fewer crowds
      - Winter: Ice fishing when conditions permit
      Current weather is MostlyClear. 
      Check our current updates for water temperature and conditions before your visit.

Question 13

What permits and regulations should I know about for Lake Wilhelm?

Accepted Answer

For Lake Wilhelm, you should be aware of:
      - Fishing license requirements (check state regulations)
      - Boat registration requirements

For specific requirements and current regulations:
      
      - Contact local authorities
      - Visit the DNR website

Question 14

What is the water temperature at Lake Wilhelm in January?

Accepted Answer

In January, the water temperature at Lake Wilhelm is approximately 36.40°F. 
        This information helps in planning activities like water activities.

Question 15

What is the water temperature at Lake Wilhelm in February?

Accepted Answer

In February, the water temperature at Lake Wilhelm is approximately 33.00°F. 
        This information helps in planning activities like water activities.

Question 16

What is the water temperature at Lake Wilhelm in March?

Accepted Answer

In March, the water temperature at Lake Wilhelm is approximately 33.00°F. 
        This information helps in planning activities like water activities.

Question 17

What is the water temperature at Lake Wilhelm in April?

Accepted Answer

In April, the water temperature at Lake Wilhelm is approximately 48.00°F. 
        This information helps in planning activities like water activities.

Question 18

What is the water temperature at Lake Wilhelm in May?

Accepted Answer

In May, the water temperature at Lake Wilhelm is approximately 65.14°F. 
        This information helps in planning activities like water activities.

Question 19

What is the water temperature at Lake Wilhelm in June?

Accepted Answer

In June, the water temperature at Lake Wilhelm is approximately 68.86°F. 
        This information helps in planning activities like water activities.

Question 20

What is the water temperature at Lake Wilhelm in July?

Accepted Answer

In July, the water temperature at Lake Wilhelm is approximately 92.00°F. 
        This information helps in planning activities like water activities.

Question 21

What is the water temperature at Lake Wilhelm in August?

Accepted Answer

In August, the water temperature at Lake Wilhelm is approximately 79.14°F. 
        This information helps in planning activities like water activities.

Question 22

What is the water temperature at Lake Wilhelm in September?

Accepted Answer

In September, the water temperature at Lake Wilhelm is approximately 67.29°F. 
        This information helps in planning activities like water activities.

Question 23

What is the water temperature at Lake Wilhelm in October?

Accepted Answer

In October, the water temperature at Lake Wilhelm is approximately 69.00°F. 
        This information helps in planning activities like water activities.

Question 24

What is the water temperature at Lake Wilhelm in November?

Accepted Answer

In November, the water temperature at Lake Wilhelm is approximately 43.43°F. 
        This information helps in planning activities like water activities.

Question 25

What is the water temperature at Lake Wilhelm in December?

Accepted Answer

In December, the water temperature at Lake Wilhelm is approximately 40.14°F. 
        This information helps in planning activities like water activities.

Question 26

What are the current fishing conditions at Lake Wilhelm?

Accepted Answer

Current water temperature at Lake Wilhelm is 59°F. 
        Check local fishing reports for the most active species.

Question 27

What is the maximum depth of Lake Wilhelm?

Accepted Answer

Lake Wilhelm has a maximum depth of 0.00 meters (0 feet). This depth provides excellent habitat for various fish species and supports diverse aquatic life. The lake's depth profile makes it suitable for both shallow-water fishing and deep-water activities.

Question 28

How big is Lake Wilhelm?

Accepted Answer

Lake Wilhelm covers an area of 1680.00 acres (2.63 square miles) at full pool. The lake is currently holding 1312.52 acres of water, which represents 78.1% of its total capacity. This substantial size makes it an important recreational resource for Mercer County, offering extensive opportunities for fishing, boating, and other water activities.

Question 29

Where is Lake Wilhelm located?

Accepted Answer

Lake Wilhelm is located in New Lebanon, Mercer County, PA. The lake is accessible to the public and serves as a popular destination for outdoor activities. Its location in Mercer County makes it easily accessible from New Lebanon and surrounding communities.

Question 30

What is the current water level at Lake Wilhelm?

Accepted Answer

Lake Wilhelm is currently holding 1312.52 acres of water, compared to its full capacity of 1680.00 acres. This represents 78.1% of its total capacity. Water levels are good for most recreational activities. These water levels are monitored regularly and impact various recreational activities on the lake.

Lake Wilhelm

Lake Wilhelm

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Active-water pattern

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About Lake Wilhelm

Lake Wilhelm

Lake Wilhelm

Ask what to do at Lake Wilhelm today.

Active-water pattern

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About Lake Wilhelm