Connecticut Lakes, NH

Today’s Forecast:

Today’s Report:

About Connecticut Lakes

Connecticut Lakes covers the remote chain of northern lakes and Connecticut River headwaters used for paddling, boating, fishing access, wildlife viewing, and camping.

Make the Most of a Connecticut Lakes Day

Cold water and fast-changing wind deserve extra margin even on sunny days. Confirm launch access, remote-road conditions, and a reliable turnaround time before exploring farther north.

Weather Tips for Connecticut Lakes

• Confirm remote-road, facility, and fuel availability because colder weather and limited services can add consequences to a change of plan.
• Wind, current, water temperature, waves, and lightning should guide water plans more than sunshine alone.
• Check overnight lows, wet ground, drainage, and the nearest substantial shelter before settling into camp.
• Spring mud, summer bugs, fall crowds, and winter ice can affect access even on a mild day.

Nearby Towns and Areas

This page can also be useful when planning outdoor time near:

• First Connecticut Lake
• Second Connecticut Lake
• Third Connecticut Lake
• Lake Francis
• Connecticut River headwaters
• Moose Alley
• Magalloway Road

Plan Around the Conditions

Use the forecast to choose the best version of a Connecticut Lakes day. Match elevation, wind, storms, water conditions, trail surfaces, road access, temperature, and daylight to the activity that gives your group the safest and most comfortable plan.

7-Day Forecast for Connecticut Lakes

Connecticut Lakes Weather by Season

Winter

Winter at Connecticut Lakes brings snow, ice, wind chill, short daylight, and changing road access. Shaded trails, parking areas, and bridges can stay icy through mild spells. Remote services and cell coverage may be limited.

Spring

Spring around Connecticut Lakes is mud season, with snowmelt, soft trails, lingering high-elevation ice, and rising waterways. Cold water remains a serious factor even when the air feels warm. Black flies often become noticeable from late spring into early summer.

Summer

Summer at Connecticut Lakes brings the warmest weather, humidity, mosquitoes, and afternoon thunderstorm potential. Morning commonly offers calmer water and a larger safety margin before storms. Carry water and use shade breaks during hot periods.

Fall

Fall is a popular season at Connecticut Lakes, with cooler air, changing foliage, and generally comfortable outdoor conditions. Busy foliage weekends can affect roads, parking, and waterfront towns. Cold nights, early ice, and rapidly shortening daylight return late in the season.

Key Climate Data Points

• Annual average temperature: generally around 39–41°F, based on the relevant summit or surrounding regional context.
• Annual snowfall: often 90–120 inches; elevation and year-to-year storm tracks cause substantial variation.
• Warmest months: July and August are normally warmest, although high terrain and water exposure stay cooler.
• Coolest months: January and February are typically coldest, with wind chill often more important than temperature alone.
• Wettest season: late spring and summer are wettest.
• Driest season: winter is driest by rainfall but snow and lake ice dominate.
• Best outdoor window: late June through September when water, roads, and campgrounds are most accessible.