Lake Winnipesaukee

Lake Winnipesaukee

Alton, NH

47°F
54°
1 mph71°/48°

Right Now

54°

Partly Cloudy

Water

47°

Wind

1 mph

SW

Gusts

2 mph

Pressure

29.95

rising

Forecast - Sat, May 16

7am
51°
10am
62°
1pm
68°
4pm
71°
7pm
67°

High / Low

71° / 48°

Wind

6 mph

gusts 19 mph

Precip

0%

UV

8

Sunrise

9:19 AM

Sunset

12:04 AM

Today Read

Lake Winnipesaukee

Wind read

Calm

6 mph avg

Water read

47°

Cold-water pattern

Air range

48° / 71°

today

Precip

0%

low concern

Today's forecast for Lake Winnipesaukee has calm wind, 48F to 71F air temperatures, 0% chance of precipitation, and 47F water.

AI lake plannerGreen lightChecking questions

Ask what to do at Lake Winnipesaukee today.

The planner reads this page's water temp, forecast, fish species, solunar timing, reports, and imagery context so you can decide what to throw, when to go, and when to move.

Today's AI read

Transition pattern for Lake trout / Rainbow trout

90 confidence

Transition temps can split fish between warming edges and deeper comfort zones. Wind is not the main constraint, so timing and presentation can drive the plan. Check the solunar window against hourly wind and light.

Uses this lake data

Current water temp: 47°FWater temp history: 466 readingsHourly weather: 224 hoursSolunar timing: 5/5Fish species: 22 listedSatellite imagery: 458 captures

Trip read from the AI planner

Fishing Forecast

NEW

5/5

Major

3:57 PM - 6:27 PM

Minor

8:09 AM - 9:39 AM

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May 7, 2026

Fish Species

22

Water Temperature History

Current

55°

May 24

Low

32°

Dec 7

Average

51°

Last 12 Months

Warmest avg: July (74°F)

Coolest avg: December (32°F)

Rapid warming: MayJune (+11°F)

Sharpest cooling: OctoberNovember (-17°F)

Weather Forecast

Wind speed, gusts, and pressure trends for trip timing.

Hourly Wind Forecast

16

12am - 11pm

Wind SpeedWind Gust
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Peak Wind

10 mph

3pm

Peak Gust

18 mph

highest gust

Pressure

29.98 inHg

rising

Visibility

12 mi

33% clouds

Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days

Daily Pressure Forecast

Pressure
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Tap chart points for pressure details

Nearby Lakes

FAQ

About Lake Winnipesaukee

Lake Winnipesaukee covers 44586.00 acres (69.67 square miles)

Lake Winnipesaukee is located in Alton, Belknap County, NH. It is accessible to the public for outdoor activities.