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:   
  Sun Dec 17 Night Mon Dec 18 Mon Dec 18 Night Tue Dec 19 Tue Dec 19 Night
 
T
E
M
P
Nighttime Low
43°

Chance freeze: 0%
10% chance greater than 47°
10% chance less than 38°
 
Daytime High
46°


10% chance greater than 49°
10% chance less than 43°
Nighttime Low
39°

Chance freeze: 0%
10% chance greater than 44°
10% chance less than 34°
 
Daytime High
47°


10% chance greater than 50°
10% chance less than 43°
Nighttime Low

Chance freeze: ?%
10% chance greater than 
10% chance less than 
x
P
R
E
C
I
P
Chance of Precip
50%


10% chance .25" or more
 
Chance of Precip
85%
More Than 0.25": 35%

10% chance .77" or more
Chance of Precip
90%
More Than 0.25": 45%

10% chance .98" or more
 
Chance of Precip
90%
More Than 0.25": 40%

10% chance .92" or more
Chance of Precip
?%


10% chance ?" or more
 Chance of precip for Wed Night, Mar 22 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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