Loon Mountain, New Hampshire will experience pleasant summer conditions from Tuesday, August 4th through Friday, August 7th, 2026. Temperatures will range from comfortable overnight lows around 58°F to daytime highs reaching approximately 76°F, with an average temperature of 67°F. The resort is currently operating with mountain biking trails open daily for summer recreation.
Expect variable cloud cover averaging 34% throughout the period, creating a mix of sunny and partly cloudy skies. Humidity levels will remain moderate at 75%, with dew points around 59°F providing comfortable summer conditions. Winds will be light from the west at approximately 9 mph, with steady barometric pressure at 1018 mb. No snowfall is expected during this summer period.
The four-day period begins with sunny to mostly clear conditions on Tuesday and Wednesday. Cloud cover increases Thursday and Friday as a weather system approaches, bringing partly sunny to partly cloudy skies. Precipitation chances remain low initially (0-1%) but increase to 28-45% by week's end, with possible showers and thunderstorms developing Friday. Total precipitation is expected to remain minimal. Overall, excellent conditions for mountain biking and outdoor activities through mid-week, with potential weather disruptions late Friday.