Forecasts:

Mtnlogo 130

Mount Si, United States Weather Forecast

Weather Forecast Issued (local time):
  Days 0-3 Mount Si Weather Summary: Mostly dry. Temperatures will be below freezing (max 0°C on Sun afternoon, min -8°C on Tue night). Wind will be generally light. Days 3-6 Mount Si Weather Summary: Heavy rain (total 29mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Sat morning. Freeze-thaw conditions (max 3°C on Thu night, min -5°C on Wed afternoon). Winds decreasing (fresh winds from the SW on Thu night, light winds from the NW by Sat afternoon).
Sun Monday 5 Tuesday 6 Wednesday 7 Thursday 8 Friday 9 Sat
PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM
See all weather maps
T washington.wind.30.cc23
T washington.wind.54.cc23
T washington.wind.78.cc23
T washington.wind.102.cc23
T washington.wind.126.cc23
 
partially cloudy
partially cloudy
cloudy
partially cloudy
partially cloudy
clear
clear
clear
clear
partially cloudy
partially cloudy
light snow
light snow
heavy rain
moderate rain
rain showers
snow showers
moderate snow
Wind
(km/h)
5 NW5
10 SSE10
10 SE10
10 SSE10
10 ESE10
5 E5
5 NNW5
10 ESE10
15 ESE15
20 ESE20
25 ESE25
25 SE25
30 SSE30
35 SW35
25 SW25
30 WSW30
15 SW15
25 WSW25
Summary some clouds some clouds cloudy some clouds some clouds clear clear clear clear some clouds some clouds light snow light snow heavy rain mod. rain rain shwrs snow shwrs mod. snow
Snow (cm) - - - - - - - - - - - 3 5 - - - 6 8
Rain (mm) - - - - - - - - - - - - - 18 6 5 - -
High °C 0 -2 0 -1 -4 -2 -3 -6 -4 -4 -3 -1 0 3 3 3 1 2
Low °C -2 -3 -1 -3 -6 -4 -3 -8 -6 -5 -5 -2 -1 3 3 2 1 1
Chill °C 0 -5 -3 -4 -8 -2 -5 -10 -10 -10 -10 -7 -6 -3 -2 -2 -3 -3
Freezing level (m) 450 0 350 400 0 0 0 0 0 0 0 0 0 1000 1000 950 750 750
Mount Si freezing level scale
mountain backdrop Mount Si freezing level
Sunrise - - 7:39 - - 7:39 - - 7:41 - - 7:41 - - 7:43 - - 7:43
Sunset 4:15 - - 4:15 - - 4:15 - - 4:15 - - 4:15 - - 4:15 - -

This table gives the weather forecast for Mount Si at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Si. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

 

  • Weather-Forecast logo
  • Snow-Forecast logo
  • Surf-Forecast logo
  • Tide-Forecast logo

Company

Explore

Social