Gunstock Mountain, NH

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Today’s Forecast:

☁
66°F
High: 66° | Low: 53°
Current Temperature
Cloudy
Station: KLCI
Observed at: 7:35 pm CDT on 9/26/26
Wind: 13 mph | Humidity: 46%
Tonight:Rain. Cloudy. Low around 53, with temperatures rising to around 59 overnight. Northeast wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday:Rain. Cloudy, with a high near 57. Northeast wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night:Rain. Cloudy, with a low around 51. Northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
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Today’s Report:

🥾 Hiking

Use Caution
  46 /100

Use Caution for hiking. High near 57°F. Rain forecast later today (91%). Breezy winds (20 mph).

  • Temp: Favorable conditions
  • Rain: Marginal weather factor
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 20/100
Not Recommended for hiking. High near 55°F. High rain probability (96%). Light wind (15 mph).

🚲 Biking

Use Caution
  42 /100

Use Caution for biking. High near 57°F. Rain forecast later today (91%). Breezy winds (20 mph).

  • Temp: Marginal weather factor
  • Rain: Marginal weather factor
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 16/100
Not Recommended for biking. High near 55°F. High rain probability (96%). Breezy winds (15 mph).

🎪 Outdoor Events / Activities

Use Caution
  41 /100

Use Caution for outdoor events / activities. High near 57°F. Rain forecast later today (91%). Breezy winds (20 mph).

  • Temp: Marginal weather factor
  • Rain: Marginal weather factor
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 14/100
Not Recommended for outdoor events / activities. High near 55°F. High rain probability (96%). Breezy winds (15 mph).


About Gunstock Mountain

Gunstock Mountain is a year-round recreation area for hiking, mountain biking, camping, scenic views, events, and winter conditions above the Lake Winnipesaukee shore.

Make the Most of a Gunstock Mountain Day

Check operating schedules separately from trail and weather conditions. Mountain wind, thunderstorms, wet bike trails, and winter road conditions can affect different activities in different ways.

Weather Tips for Gunstock Mountain

  • Compare valley and higher-elevation forecasts; temperature, wind, cloud, and precipitation can change sharply with elevation.
  • If thunder is possible, finish exposed summits, overlooks, ridges, and event grounds early and keep shelter close.
  • After steady rain, favor paved paths or well-drained routes until natural surfaces recover.
  • 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:

  • Gilford
  • Belknap Range
  • Lake Winnipesaukee overlooks
  • Ellacoya State Park
  • Mount Rowe
  • Laconia
  • Belknap Mountain

Plan Around the Conditions

Use the forecast to choose the best version of a Gunstock Mountain 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 Gunstock Mountain

☁
66°F
High: 66° | Low: 53°
Current Temperature
Cloudy
Station: KLCI
Observed at: 7:35 pm CDT on 9/26/26
Wind: 13 mph | Humidity: 46%
Sun 🌧
57° 51°
91%
Mon 🌧
56° 52°
96%
Tue 🌧
63° 53°
35%
Wed ⛅
69° 55°
1%
Thu ⛅
73° 56°
3%
Fri ⛅
71° 51°
13%
Sat 🌧
66° --°
26%

7-Day High Temperature Trend

57° Sun 56° Mon 63° Tue 69° Wed 73° Thu 71° Fri 66° Sat

7-Day Low Temperature Trend

51° Sun 52° Mon 53° Tue 55° Wed 56° Thu 51° Fri 50° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 90 Sun 90 Mon 95 Tue 100 Wed 100 Thu 100 Fri 100 Sat
Forecast data from the National Weather Service  |  Last Updated: September 26, 2026 8:43 pm CDT

Gunstock Mountain Weather by Season

Winter

Winter at Gunstock Mountain brings snow, ice, wind chill, short daylight, and changing road access. Summit and notch conditions may be severe while nearby valleys remain manageable; traction and conservative turnaround times matter. Check current facility and road status before departure.

Spring

Spring around Gunstock Mountain is mud season, with snowmelt, soft trails, lingering high-elevation ice, and rising waterways. Avoid widening trails by walking around deep mud. Black flies often become noticeable from late spring into early summer.

Summer

Summer at Gunstock Mountain brings the warmest weather, humidity, mosquitoes, and afternoon thunderstorm potential. Early starts reduce heat and give exposed routes more margin before storms. Higher elevations can still be cold, windy, or foggy.

Fall

Fall is a popular season at Gunstock Mountain, with cooler air, changing foliage, and generally comfortable outdoor conditions. Parking, traffic, and trail congestion can peak on foliage weekends. Cold nights, early ice, and rapidly shortening daylight return late in the season.

Key Climate Data Points

  • Annual average temperature: around 44–46°F in the Lakes Region foothills, based on the relevant summit or surrounding regional context.
  • Annual snowfall: commonly 60–80 inches, with more on the mountain; 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 drier by rain but snow remains central.
  • Best outdoor window: late May through October for hiking and biking, subject to operating schedules.