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:   
  Tue Apr 21 Tue Apr 21 Night Wed Apr 22 Wed Apr 22 Night Thu Apr 23
 
T
E
M
P
Daytime High
68°


10% chance greater than 73°
10% chance less than 64°
Nighttime Low
49°

Chance freeze: 0%
10% chance greater than 52°
10% chance less than 45°
 
Daytime High
61°


10% chance greater than 65°
10% chance less than 57°
Nighttime Low
46°

Chance freeze: 0%
10% chance greater than 49°
10% chance less than 42°
 
Daytime High
61°


10% chance greater than 64°
10% chance less than 57°
x
P
R
E
C
I
P
Chance of Precip
20%


10% chance .05" or more
Chance of Precip
65%
More Than 0.25": 15%

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


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


10% chance .01" or more
 
Chance of Precip
20%


10% chance .04" or more
 High temperature for Tue Daytime, Apr 21 2015
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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