Jack Lake is serving up a warm, humid day with temperatures climbing from a mild 61°F this morning to a high of 78°F this afternoon. Wind is essentially non-existent right now, starting at 0 mph variable at dawn, which means the lake should be absolutely glassy for early paddlers.

Your Paddling Window: 7AM to 7PM

This morning delivers the primo conditions. From 7am through 10am, you’re looking at calm water with 0 mph winds and temperatures rising steadily from 61°F to 71°F. The sweet spot for kayak rental at Jack Lake is clearly that early window before things get interesting. By 1pm, winds pick up slightly to 2 mph from the west—still barely enough to ruffle your hair, let alone your paddle stroke. The real consideration today is the afternoon storm threat: starting at 2pm, there’s a slight chance of showers and thunderstorms, escalating to a genuine chance from 3pm through 6pm. If you’re out on the water at 77°F and hear thunder, get off immediately.

Through the Day on Jack Lake

Early morning paddlers get the dream scenario: 64°F at 8am with mostly cloudy skies and dead calm 0 mph conditions. By midday, you’re cruising at 75°F with humidity dropping from a sticky 90% down to a comfortable 54%. Late afternoon is where things get dicey—while temperatures peak at 78°F around 4pm, those thunderstorm chances mean you should be wrapping up your paddleboard rental Wisconsin adventure by 2pm at the latest. Wind remains gentle at 2 mph throughout the afternoon, so chop isn’t your concern—lightning is.

Who Should Paddle Today

This is an ideal day for beginners and photographers looking for that mirror-water reflection shot. With winds averaging just 1 mph all day, even first-timers will find the conditions forgiving. Morning warriors get the best deal; afternoon adventurers need to monitor the sky closely and have an exit plan.

Visit Details

We have 4 kayaks and 4 paddleboards available for your Jack Lake kayak experience, accessible from sunrise to sunset. This is an unstaffed location, so come prepared and self-sufficient.

Should You Come Today?

If you can paddle before noon, absolutely get out here—this is one of the best summer mornings Wisconsin has to offer. Looking for things to do Wisconsin style? A morning paddle followed by watching afternoon storms roll in from shore sounds like a perfect day to us.

Weather & Safety Disclaimer: This forecast is based on current data and is subject to rapid change. Always check current conditions in person before paddling. Water conditions can change suddenly and unexpectedly. Kayak Kiosk is not liable for changes in weather, water conditions, or personal injury. Paddlers assume all risks associated with paddling. Always wear a properly fitting PFD, check official weather forecasts, and use good judgment. Do not paddle in conditions you are uncomfortable with.