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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.