University of Washington Probability Forecast

Click a number on the table to select a new weather map; click the weather map or fill in a zip code to select a new location for the table. The yellow box shows the current map; the star shows the current location.

 Seattle, WA 98105 (47.66 N, 122.30 W)City or Zip Code:   
  Mon Dec 18 Mon Dec 18 Night Tue Dec 19 Tue Dec 19 Night Wed Dec 20
 
T
E
M
P
Daytime High
46°


10% chance greater than 49°
10% chance less than 42°
Nighttime Low
38°

Chance freeze: 5%
10% chance greater than 42°
10% chance less than 34°
 
Daytime High
46°


10% chance greater than 49°
10% chance less than 43°
Nighttime Low
35°

Chance freeze: 30%
10% chance greater than 41°
10% chance less than 29°
 
Daytime High
39°


10% chance greater than 42°
10% chance less than 36°
x
P
R
E
C
I
P
Chance of Precip
65%
More Than 0.25": 10%

10% chance .32" or more
Chance of Precip
90%
More Than 0.25": 45%

10% chance .92" or more
 
Chance of Precip
90%
More Than 0.25": 45%

10% chance .99" or more
Chance of Precip
45%


10% chance .2" or more
 
Chance of Precip
35%


10% chance .1" or more
 Possible extreme amount of precip for Mon Night, Mar 20 2017
47.66377, -122.301186

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This website was developed at the UW Applied Physics Laboratory, on the basis of research conducted at the UW departments of Atmospheric Science, Statistics and Psychology. This material is based upon work supported by the National Science Foundation under Grant No. ATM 0724721. Previous funding was provided by the Office of Naval Research.

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