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:   
  Wed Feb 21 Night Thu Feb 22 Thu Feb 22 Night Fri Feb 23 Fri Feb 23 Night
 
T
E
M
P
Nighttime Low
31°

Chance freeze: 65%
10% chance greater than 35°
10% chance less than 27°
 
Daytime High
43°


10% chance greater than 46°
10% chance less than 40°
Nighttime Low
27°

Chance freeze: 95%
10% chance greater than 31°
10% chance less than 23°
 
Daytime High
40°


10% chance greater than 42°
10% chance less than 37°
Nighttime Low

Chance freeze: ?%
10% chance greater than 
10% chance less than 
x
P
R
E
C
I
P
Chance of Precip
25%


10% chance .06" or more
 
Chance of Precip
15%


10% chance .01" or more
Chance of Precip
5%


10% chance .0" or more
 
Chance of Precip
45%


10% chance .14" or more
Chance of Precip
?%


10% chance ?" or more
 Chance of precip for Sun Daytime, May 21 2017
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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