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:   
  Sat Dec 20 Sat Dec 20 Night Sun Dec 21 Sun Dec 21 Night Mon Dec 22
 
T
E
M
P
Daytime High
56°


10% chance greater than 59°
10% chance less than 52°
Nighttime Low
50°

Chance freeze: 0%
10% chance greater than 54°
10% chance less than 46°
 
Daytime High
55°


10% chance greater than 59°
10% chance less than 51°
Nighttime Low
46°

Chance freeze: 0%
10% chance greater than 51°
10% chance less than 42°
 
Daytime High


10% chance greater than 
10% chance less than 
x
P
R
E
C
I
P
Chance of Precip
90%
More Than 0.25": 40%

10% chance .88" or more
Chance of Precip
40%


10% chance .13" or more
 
Chance of Precip
25%


10% chance .07" or more
Chance of Precip
15%


10% chance .02" or more
 
Chance of Precip
30%


10% chance .06" or more
 High temperature for Sat Daytime, Dec 20 2014
47.66377, -122.301186

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This website provides uncertainty information along with a probabilistic weather forecast; move the mouse over a feature to learn more about its function.

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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