Washington: Today and Sunday - Sunny and cool, high in the 60s, low in the 40s. The chance of rain is near zero through tonight. Winds will be from the northwest of 12 to 20 mph.

Maryland: Today - Variable cloudiness, highs from the 50s to the upper 60s, lows from the mid 30s to upper 40s. Sunday - Sunny, highs in the 50s in the west to the 60s in the east.

Virginia: Today and Sunday - Sunny, highs from the mid 50s to near 70s, lows in the 30s west to the upper 40s on the coast.

Extended Area Forecast for Monday through Wednesday - sunny Monday. Increasing cloudiness Tuesday with a chance of rain Wednesday. Highs will be in the 60s, lows in the 30s and 40s. Normal Washington temperatures are a high of 73 and a low of 52.

Lower Potomac and Chesapeake Bay - Variable cloudiness with visibility of 5 miles or more. Winds will be northwesterly at 10 to 20 knots. Waves will average 2 to 3 feet.

West Virginia: Today - Mostly cloudy with a chance of showers, highs from near 50 to the low 60s. Sunday - Partly cloudy, high in the 50s.

The National Weather Forecast for today - Rainshowers will be scattered from the upper Ohio Valley across the lower Great Lakes into northern New England. Temperatures will be warm along the northern California coast. Mild temperatures will extend from Florida along the Gulf Coast through central and south Texas as well as from the remainder of the Pacific Coast across the Plateau over the nation will be generally cool.

Highest temperatures since midnight yesterday, 72 degrees at 2:35 p.m. Lowest temperature since midnight, [WORD ILLEGIBLE] degrees at 7:20 a.m. Excess of temperature since Oct. 1, 2 degrees. Excess of temperatures since Jan. 1, 7 degrees. Record high temperature for today, 93 degrees in 1941. Record low temperature for today, 34 degrees in 1917. Relative humidity: maximum, 91 percent at 6 a.m.; minimum, 39 percent at 5 p.m. 24 hour precipitation, 38 inches. Excess of precipitation since Oct. 1, 32 inches. Excess of precipitation since Jan. 1, 2, 12 inches. Highest observed wind since 8 a.m. 17 miles per hour from the northwest at 9:53 p.m. Peak gust since 8 a.m., 26 miles per hour from the northwest at 5:11 a.m.

Almanac Data for today: The sun rises 7:29 a.m., sets 6:42 p.m.; moon rises 12:30 p.m. sets 10:57 p.m. Tides: high 12:34 p.m. low 4:54 a.m. and 6:30 p.m. High and low tides at the following locations may be obtained by subtracting the hours indicated from the hours above: Annapolis (3 1/4), Bloody Point Lighthouse (4 1/2), Deale, Md. (4 1/2), Beach (5 1/4), Norfolk (1), Virginia Beach (3/4), Solomons Island (6 1/4), Point Lookout (7).

The Council of Government's Air Quality Index for yesterday showed the high reading in the Washington area during the 3 p.m. period was 19 for the pollutant, photochemical oxidants. Index values between 0 and 24 indicate good air quality. When the index exceeds 100 the air is considered very unhealthy and individuals with lung, heart and eye ailments are urged to restrict their activity. The forecast for today indicates that the air quality will remain in the good range.

The National Weather Service forecasts the Potomac River stage at Little Falls should remain near 29 feet today. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midnite(COLUMN)66(COLUMN)87 1 a.m.(COLUMN)65(COLUMN)90 2 a.m.(COLUMN)45(COLUMN)90 3 a.m.(COLUMN)65(COLUMN)90 4 a.m.(COLUMN)64(COLUMN)90 5 a.m.(COLUMN)63(COLUMN)90 6 a.m.(COLUMN)61(COLUMN)90 7 a.m.(COLUMN)61(COLUMN)84 8 a.m.(COLUMN)60(COLUMN)84 9 a.m.(COLUMN)61(COLUMN)77 10 a.m.(COLUMN)64(COLUMN)76 11 a.m.(COLUMN)67(COLUMN)63 12 noon(COLUMN)69(COLUMN)59 1 p.m.(COLUMN)70(COLUMN)57 2 p.m.(COLUMN)70(COLUMN)55 3 p.m.(COLUMN)72(COLUMN)43 4 p.m.(COLUMN)70(COLUMN)41 5 p.m.(COLUMN)69(COLUMN)39 6 p.m.(COLUMN)66(COLUMN)42 7 p.m.(COLUMN)63(COLUMN)41(END TABLE) Temperatures ending 8 a.m. (EDT) yesterday(TABLE) City(COLUMN)H.(COLUMN)L Albany(COLUMN)63(COLUMN)55 Albuquerque(COLUMN)80(COLUMN)48 Amarillo(COLUMN)69(COLUMN)44 Anchorage(COLUMN)50(COLUMN)45 Asheville(COLUMN)77(COLUMN)46 Atlanta(COLUMN)83(COLUMN)54 Atlantic City(COLUMN)66(COLUMN)64 Austin(COLUMN)87(COLUMN)67 Baltimore(COLUMN)64(COLUMN)57 Billings(COLUMN)56(COLUMN)34 Birmingham(COLUMN)81(COLUMN)51 Bismarck(COLUMN)45(COLUMN)35 Boise(COLUMN)76(COLUMN)47 Boston(COLUMN)58(COLUMN)53 Brownsville(COLUMN)88(COLUMN)74 Buffalo(COLUMN)66(COLUMN)49 Burlington, Vt.(COLUMN)63(COLUMN)52 Casper(COLUMN)59(COLUMN)26 Charleston, S.C.(COLUMN)83(COLUMN)68 Charleston, W.V.(COLUMN)71(COLUMN)46 Charlotte(COLUMN)75(COLUMN)52 Cheyenne(COLUMN)57(COLUMN)30 Chicago(COLUMN)61(COLUMN)52 Cincinnati(COLUMN)70(COLUMN)43 Cleveland(COLUMN)70(COLUMN)46 Columbia, S.C.(COLUMN)86(COLUMN)54 Columbus, Ohio(COLUMN)69(COLUMN)47 Dal-Ft. Worth(COLUMN)81(COLUMN)56 Dayton(COLUMN)68(COLUMN)42 Denver(COLUMN)61(COLUMN)35 Des Moines(COLUMN)68(COLUMN)43 Detroit(COLUMN)66(COLUMN)47 Duluth(COLUMN)50(COLUMN)39 El Paso(COLUMN)83(COLUMN)56 Evansville(COLUMN)73(COLUMN)45 Fairbanks(COLUMN)42(COLUMN)37 Fargo(COLUMN)57(COLUMN)42 Flagstaff(COLUMN)76(COLUMN)33 Great Falls(COLUMN)59(COLUMN)32 Hartford(COLUMN)64(COLUMN)50 Helena(COLUMN)63(COLUMN)37 Honolulu(COLUMN)84(COLUMN)72 Houston(COLUMN)87(COLUMN)70 Indianapolis(COLUMN)67(COLUMN)44 Jackson(COLUMN)84(COLUMN)57 Jacksonville(COLUMN)88(COLUMN)45 Kansas City(COLUMN)61(COLUMN)41 Las Vegas(COLUMN)97(COLUMN)64 Little Rock(COLUMN)79(COLUMN)48 Los Angeles(COLUMN)79(COLUMN)64 Louisville(COLUMN)72(COLUMN)48 Memphis(COLUMN)81(COLUMN)48 Miami Beach(COLUMN)85(COLUMN)76 Midland(COLUMN)71(COLUMN)59 Milwaukee(COLUMN)58(COLUMN)50 Mpls.-St. Paul(COLUMN)55(COLUMN)45 Nashville(COLUMN)77(COLUMN)46 New Orleans(COLUMN)87(COLUMN)69 New York(COLUMN)65(COLUMN)58 Norfolk(COLUMN)78(COLUMN)63 North Platte(COLUMN)62(COLUMN)21 Oklahoma City(COLUMN)37(COLUMN)47 Omaha(COLUMN)55(COLUMN)36 Orlando(COLUMN)90(COLUMN)68 Philadelphia(COLUMN)68(COLUMN)63 Phoenix(COLUMN)97(COLUMN)23 Pittsburgh(COLUMN)68(COLUMN)43 Portland, Me.(COLUMN)60(COLUMN)51 Portland, Ore.(COLUMN)78(COLUMN)47 Providence(COLUMN)64(COLUMN)52 Raleigh(COLUMN)79(COLUMN)61 Rapid City(COLUMN)57(COLUMN)26 Reno(COLUMN)86(COLUMN)38 Richmond(COLUMN)76(COLUMN)63 St. Louis(COLUMN)67(COLUMN)43 St. Prbg.-Tampa(COLUMN)87(COLUMN)72 Salt Lake City(COLUMN)76(COLUMN)44 San Antonio(COLUMN)87(COLUMN)70 San Diego(COLUMN)74(COLUMN)68 San Francisco(COLUMN)58(COLUMN)57 San Juan(COLUMN)90(COLUMN)78 St. Ste. Marie(COLUMN)53(COLUMN)48 Seattle(COLUMN)71(COLUMN)46 Shreveport(COLUMN)80(COLUMN)59 Sioux Falls(COLUMN)51(COLUMN)36 Spokane(COLUMN)66(COLUMN)40 Syracuse(COLUMN)68(COLUMN)56 Topeka(COLUMN)62(COLUMN)39 Tucson(COLUMN)88(COLUMN)65 Tulsa(COLUMN)77(COLUMN)41 Washington(COLUMN)66(COLUMN)48 Wichita(COLUMN)69(COLUMN)38(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)T. Aberdeen(COLUMN)Cloudy(COLUMN)1 p.m.(COLUMN)64 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Ancara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)81 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)79 Berlin(COLUMN)drizzle(COLUMN)1 p.m.(COLUMN)57 Birmingham(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Bonn(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Brussels(COLUMN)pt. cloudy(COLUMN)1 p.m.(COLUMN)61 Casablanca(COLUMN)clear(COLUMN)-(COLUMN)73 Copenhagen(COLUMN)drizzle(COLUMN)1 p.m.(COLUMN)54 Dublin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Geneva(COLUMN)clear(COLUMN)1 p.m.(COLUMN)55 Hong Kong(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)77 Jerusalem(COLUMN)clear(COLUMN)2 p.m.(COLUMN)84 Lisbon(COLUMN)clear(COLUMN)noon(COLUMN)70 London(COLUMN)clear(COLUMN)1 p.m.(COLUMN)64 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)70 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)73 Manila(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)79 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)46 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)91 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)68 Oslo(COLUMN)pt. cloudy(COLUMN)1 p.m.(COLUMN)46 Paris(COLUMN)pt. cloudy(COLUMN)1 p.m.(COLUMN)59 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)59 Rome(COLUMN)clear(COLUMN)1 p.m.(COLUMN)72 Saigon(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)91 Sofia(COLUMN)clear(COLUMN)2 p.m.(COLUMN)55 Stockholm(COLUMN)pt. cloudy(COLUMN)1 p.m.(COLUMN)41 Sydney(COLUMN)pt. cloudy(COLUMN)10 p.m.(COLUMN)57 Tokyo(COLUMN)clear(COLUMN)9 p.m.(COLUMN)63 Tunis(COLUMN)pt. cloudy(COLUMN)1 p.m.(COLUMN)70 Vienna(COLUMN)rain(COLUMN)1 p.m.(COLUMN)55 Warsaw(COLUMN)rain(COLUMN)1 p.m.(COLUMN)52(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Barbados(COLUMN)cloudy(COLUMN)86(COLUMN)76 Bermuda(COLUMN)cloudy(COLUMN)84(COLUMN)80 Havana(COLUMN)cloudy(COLUMN)86(COLUMN)76 Kingston(COLUMN)fair(COLUMN)93(COLUMN)77 Montego Bay(COLUMN)fair(COLUMN)88(COLUMN)77 Montreal(COLUMN)rain(COLUMN)63(COLUMN)54 Nassau(COLUMN)pt. cldy.(COLUMN)90(COLUMN)74 Ottawa(COLUMN)cloudy(COLUMN)63(COLUMN)52 Regina(COLUMN)clear(COLUMN)48(COLUMN)23 St. Kitts(COLUMN)fair(COLUMN)90(COLUMN)76 Toronto(COLUMN)rain(COLUMN)61(COLUMN)46 Vancouver(COLUMN)clear(COLUMN)63(COLUMN)45 Winnipeg(COLUMN)clear(COLUMN)50(COLUMN)36(END TABLE)