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:   
  Thu Jul 19 Night Fri Jul 20 Fri Jul 20 Night Sat Jul 21 Sat Jul 21 Night
 
T
E
M
P
Nighttime Low
55°

Chance freeze: 0%
10% chance greater than 58°
10% chance less than 52°
 
Daytime High
72°


10% chance greater than 77°
10% chance less than 68°
Nighttime Low
55°

Chance freeze: 0%
10% chance greater than 57°
10% chance less than 52°
 
Daytime High
74°


10% chance greater than 77°
10% chance less than 71°
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
5%


10% chance .0" or more
Chance of Precip
5%


10% chance .0" or more
 
Chance of Precip
5%


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


10% chance ?" or more
 Possible low extreme high temperature for Fri Daytime, Jan 12 2018
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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