Welcome to Jack Lake, Wisconsin, where today delivers a high of 71°F after a crisp 44°F start this morning. Skies are partly sunny with south winds already blowing at 10 mph as the day begins—and trust us, they’re just warming up.

Paddling Window: 7AM-7PM Analysis

This is a tale of two paddles. Early birds launching at 7am will find chilly 44°F air with 100% humidity—you’ll feel that moisture hanging over the lake. But here’s the twist: winds start at a manageable 10 mph from the south, making this your calmest window of the entire day. By 9am, you’re up to 54°F and 12 mph winds. The sweet spot for kayak rental at Jack Lake? Get out before 10am or accept that you’re paddling in legitimate wind. By noon, those south-southwest gusts hit 17 mph, and they peak at 18 mph from 2pm through 3pm. If you’re a beginner, the morning is your only realistic option.

Through the Day

Let’s walk through what Jack Lake throws at you hour by hour. At 7am, bundle up for 44°F and grab that paddleboard rental in Wisconsin’s signature morning chill. The temperature climbs steadily—49°F at 8am, 54°F by 9am, then 59°F at 10am when winds jump to 14 mph. Midday brings the warmth with 65°F at noon and 70°F by 2pm, but you’re also battling 17-18 mph sustained winds that will push your kayak around like a shopping cart with a bad wheel. Late afternoon from 5pm onward offers slight relief as winds ease to 16 mph and eventually 13 mph by 6pm, with temperatures holding at a pleasant 71°F before dropping to 69°F at 7pm.

Why Today Works

Today is built for intermediate and experienced paddlers who don’t mind working against 14-18 mph winds during peak hours. Jack Lake kayak adventures in these conditions mean real paddling, not lazy drifting. If you’re looking for things to do in Wisconsin that actually challenge you, this is your day. Beginners should stick to the 7-9am window when winds hover around 10-12 mph.

Visit Details

We have 4 kayaks and 4 paddleboards available from sunrise to sunset at our unstaffed kiosk. Grab your gear and make your own adventure on Jack Lake.

Should You Come Today?

If you’re comfortable paddling in wind and want to actually feel like you earned your lake time, today delivers. Early risers get calmer conditions; everyone else gets a workout.

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.