Marblemount, WA Weather & Growing Conditions
This Afternoon
36°F
Mostly Cloudy
Mostly cloudy. High near 36, with temperatures falling to around 33 in the afternoon. Southwest wind 3 to 7 mph. New snow accumulation of less than one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 36°F | Mostly Cloudy | 3 to 7 mph SW | 4% |
| Tonight | 29°F | Light Snow | 9 to 16 mph SW | 99% |
| Thursday | 33°F | Chance Light Snow then Partly Sunny | 6 to 10 mph SW | 28% |
| Thursday Night | 27°F | Mostly Cloudy then Light Snow Likely | 6 to 15 mph SSW | 71% |
| Friday | 34°F | Light Snow | 9 to 17 mph SSW | 98% |
| Friday Night | 33°F | Rain And Snow | 12 mph SSW | 75% |
| Saturday | 36°F | Chance Light Snow then Chance Rain And Snow | 6 to 10 mph SE | 34% |
| Saturday Night | 29°F | Heavy Snow | 9 to 30 mph SSE | 95% |
| Sunday | 33°F | Rain And Snow | 6 to 29 mph SW | 95% |
| Sunday Night | 25°F | Chance Light Snow then Mostly Cloudy | 6 to 12 mph NW | 28% |
| Monday | 31°F | Partly Sunny then Chance Light Snow | 5 to 12 mph NW | 27% |
| Monday Night | 29°F | Snow Likely | 6 to 20 mph WSW | 64% |
| Tuesday | 33°F | Snow Likely | 7 to 18 mph WSW | 71% |
| Tuesday Night | 31°F | Snow Likely | 7 to 21 mph W | 71% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marblemount, WA
Last spring frost
Apr 2
First fall frost
Nov 14
Growing season
224 days
Hardiness zone
7a
Explore more for Marblemount, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Newhalem, Wa (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.