Harman US

Mountain Lakes, NH Weather & Growing Conditions

Today
70°F
Mostly Sunny
Mostly sunny. High near 70, with temperatures falling to around 63 in the afternoon. South wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 70°F Mostly Sunny 0 to 5 mph S 3%
Tonight 51°F Mostly Cloudy 5 mph S 2%
Thursday 64°F Light Rain 5 mph S 78%
Thursday Night 53°F Light Rain Likely 0 to 5 mph S 70%
Friday 63°F Chance Light Rain 0 mph 42%
Friday Night 48°F Chance Light Rain 0 mph 53%
Saturday 57°F Chance Light Rain 0 mph 46%
Saturday Night 39°F Chance Light Rain 0 to 5 mph NW 51%
Sunday 50°F Chance Light Rain 0 to 5 mph NW 39%
Sunday Night 32°F Mostly Cloudy then Slight Chance Light Rain 0 mph 20%
Monday 45°F Chance Light Rain 5 mph W 27%
Monday Night 28°F Slight Chance Light Rain then Mostly Cloudy 0 to 5 mph W 21%
Tuesday 49°F Partly Sunny then Slight Chance Light Rain 0 to 5 mph SW 20%
Tuesday Night 28°F Slight Chance Light Rain 0 to 5 mph W 21%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mountain Lakes, NH

Last spring frost
May 15
First fall frost
Sep 28
Growing season
133 days
Hardiness zone
5a

Explore more for Mountain Lakes, NH: full frost dates · planting calendar · New Hampshire frost dates

Climate data from the nearest NOAA station, Benton 5 Sw, Nh (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.