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Mount Si, United States Weather Forecast

Weather Forecast Issued (local time): 10 pm Wednesday 18 Oct 2017
  Days 0-3 Mount Si Weather Summary: Heavy rain (total 142mm), heaviest during Wed night. Very mild (max 12°C on Wed night, min 4°C on Fri night). Winds decreasing (strong winds from the SSW on Wed night, light winds from the S by Fri night). Days 3-6 Mount Si Weather Summary: Heavy rain (total 167mm), heaviest during Sat night. Very mild (max 18°C on Tue afternoon, min 6°C on Mon morning). Winds decreasing (strong winds from the WSW on Sun afternoon, calm by Mon morning).
Wed Thursday 19 Friday 20 Saturday 21 Sunday 22 Monday 23 Tue
night AM PM night AM PM night AM PM night AM PM night AM PM night AM PM
See all weather maps
T washington.wind.18.cc23
T washington.wind.42.cc23
T washington.wind.66.cc23
T washington.wind.90.cc23
T washington.wind.114.cc23
 
heavy rain
heavy rain
heavy rain
heavy rain
rain showers
thunderstorm
rain showers
light rain
heavy rain
heavy rain
heavy rain
heavy rain
rain showers
clear
clear
clear
clear
clear
Wind
km/h
25 WSW25
15 SSW15
15 SW15
25 WSW25
25 SW25
30 SW30
10 SW10
15 SE15
25 SSW25
30 WSW30
25 SW25
40 WSW40
15 SW15
5 SSE5
5 N5
10 E10
10 E10
10 E10
Summary heavy rain heavy rain heavy rain heavy rain rain shwrs risk tstorm rain shwrs light rain heavy rain heavy rain heavy rain heavy rain rain shwrs clear clear clear clear clear
Snow cm - - - - - - - - - - - - - - - - - -
Rain mm 53 22 21 14 1 4 4 1 22 118 24 22 3 - - - - -
High °C 12 9 8 8 7 6 4 7 8 12 10 11 10 9 11 9 15 18
Low °C 9 8 8 6 5 6 4 5 7 10 10 11 7 6 11 8 9 17
Chill °C 9 7 6 5 3 2 0 4 5 9 7 8 6 9 11 8 15 18
Freezing level m 2250 1850 1850 1400 1350 1300 1100 2050 2950 2600 2300 2150 1700 1900 3250 3950 4250 4300
Mount Si freezing level scale
mountain backdrop Mount Si freezing level
Sunrise - 7:31 - - 7:31 - - 7:33 - - 7:35 - - 7:37 - - 7:37 -
Sunset - - 6:10 - - 6:08 - - 6:07 - - 6:06 - - 6:04 - - 6:01

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.