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 Apr 29 Night Sun Apr 30 Sun Apr 30 Night Mon May 1 Mon May 1 Night
 
T
E
M
P
Nighttime Low
46°

Chance freeze: 0%
10% chance greater than 48°
10% chance less than 44°
 
Daytime High
53°


10% chance greater than 58°
10% chance less than 49°
Nighttime Low
43°

Chance freeze: 0%
10% chance greater than 46°
10% chance less than 39°
 
Daytime High
52°


10% chance greater than 57°
10% chance less than 47°
Nighttime Low

Chance freeze: ?%
10% chance greater than 
10% chance less than 
x
P
R
E
C
I
P
Chance of Precip
55%


10% chance .2" or more
 
Chance of Precip
45%


10% chance .12" or more
Chance of Precip
35%


10% chance .09" or more
 
Chance of Precip
50%


10% chance .17" or more
Chance of Precip
?%


10% chance ?" or more
 Possible extreme high temperature for Wed Daytime, 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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