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This web site is operated
on behalf of WMO by

Hong Kong Observatory
of Hong Kong, China.
 
World Weather Information Service

National Weather Service
Weather Information for Washington DC
  MAPMAP

Weather Forecast
Issued at 23:47  01 Sep  2014  *
Date Temperature oF Weather
Minimum Maximum
01 Sep
( Mon )
74 93 Scattered Thunderstorms
Scattered Thunderstorms
02 Sep
( Tue )
71 91 Mostly Sunny
Mostly Sunny
03 Sep
( Wed )
70 89 Sunny
Sunny
04 Sep
( Thu )
69 90 Mostly Sunny
Mostly Sunny
05 Sep
( Fri )
72 89 Chance Thunderstorms
Chance Thunderstorms
06 Sep
( Sat )
66 78 Chance Showers
Chance Showers
07 Sep
( Sun )
62 75 Chance Showers
Chance Showers
>> Click here for temperatures in oC
 
Remark:
* Issue time refers to Eastern Daylight Time (EDT).
 
Climatological Information
Month Mean Temperature oF Mean Total Rainfall (mm) Mean Number of Rain Days
Daily
Minimum
Daily
Maximum
Jan 23.9 42.5 68.1 9.9
Feb 26.0 46.4 69.6 9.0
Mar 32.9 55.5 85.9 10.5
Apr 42.1 66.7 88.1 10.7
May 51.2 75.1 115.6 12.2
Jun 61.0 83.8 101.1 10.9
Jul 65.5 87.9 93.2 10.8
Aug 64.2 86.6 89.7 9.4
Sep 56.3 79.4 99.6 8.7
Oct 43.8 68.2 82.6 7.6
Nov 35.3 57.5 86.6 9.1
Dec 27.1 46.0 75.2 9.9
>> Click here for temperatures in oC

Remarks:
* Climatological information is based on monthly averages for the 30-year period 1981-2010.
* Attention: Please note that the averaging period for climatological information and the definition of "Mean Number of Precipitation/Rain Days" quoted in this web site may be different for different countries. Hence, care should be taken when city climatologies are compared.