Vashon Island, WA Weather Forecast and Current Conditions

WEATHER ALERTS - Wind Advisory - Flood Watch - Special Weather Statement

Current Conditions From Nearby Local Station

Cloudy with Light Rain 43°F
Feels Like 40°F  
Humidity 93% Dew Point 41°F Wind S 5 MPH Gusts 10 Barometer N/A
Report from a MADIS/MESONET weather station 1.2 mi. SSW of central Vashon Island
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Point Forecast at a Glance

WedDec 17
Wed Dec 17: Rain, Low 42F
80%
 
42
ThuDec 18
Thu Dec 18: Rain, High 51F, Low 38F
100%
51
38
FriDec 19
Fri Dec 19: Rain, High 43F, Low 39F
90%
43
39
SatDec 20
Sat Dec 20: Rain, High 43F, Low 41F
90%
43
41
SunDec 21
Sun Dec 21: Rain, High 44F, Low 40F
50%
44
40
MonDec 22
Mon Dec 22: Rain, High 44F, Low 39F
50%
44
39
TueDec 23
Tue Dec 23: Rain Likely, High 44F, Low 37F
50%
44
37

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 43°F to 51°F. Unsettled weather expected with rain likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 2°F below the historical average for December. Normal highs for this period are around 46°F with lows around 35°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

More on this and other weather history

Vashon Island, WA 7 Day Weather Forecast Details

Wednesday Dec 17

Rain

Night: Rain, mainly before 4am. Low around 42. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Dec 18

Rain

Day: Rain. High near 51. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Rain

Night: Rain, mainly before 10pm. Low around 38. South southwest wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Friday Dec 19

Rain

Day: Rain. High near 43. South southwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Rain

Night: Rain. Low around 39. South southwest wind 11 to 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Dec 20

Rain

Day: Rain. High near 43. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: Rain. Low around 41. Chance of precipitation is 80%.

Sunday Dec 21

Rain

Day: Rain. Cloudy, with a high near 44.

Rain

Night: Rain. Cloudy, with a low around 40.

Monday Dec 22

Rain

Day: Rain. Cloudy, with a high near 44.

Rain Likely

Night: Rain likely. Mostly cloudy, with a low around 39.

Tuesday Dec 23

Rain Likely

Day: Rain likely. Mostly cloudy, with a high near 44.

Rain And Snow

Night: A chance of rain and snow. Mostly cloudy, with a low around 37.

Wednesday Dec 24

Rain And Snow

Day: A chance of rain and snow. Mostly cloudy, with a high near 42.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.