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 Feb 19 Night Tue Feb 20 Tue Feb 20 Night Wed Feb 21 Wed Feb 21 Night
 
T
E
M
P
Nighttime Low
20°

Chance freeze: 100%
10% chance greater than 24°
10% chance less than 15°
 
Daytime High
41°


10% chance greater than 44°
10% chance less than 39°
Nighttime Low
23°

Chance freeze: 100%
10% chance greater than 27°
10% chance less than 19°
 
Daytime High
41°


10% chance greater than 45°
10% chance less than 38°
Nighttime Low

Chance freeze: ?%
10% chance greater than 
10% chance less than 
x
P
R
E
C
I
P
Chance of Precip
5%


10% chance .0" or more
 
Chance of Precip
15%


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


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


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


10% chance ?" or more
 Possible extreme amount of precip for Thu Daytime, Oct 12 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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