Washington: Today - Mostly sunny and hot, high in the 90s, low near 70. The chance of rain is near zero today , 10 percent tonight. Winds will become westerly at 10 to 15 mph. Friday - Partly cloudy, high near 90.

Maryland and Virginia: Today -Mostly sunny and hot, high in the mid 80s to mid 90s, low in the 60s and low 70s. Friday - Partly cloudy, high from the mid 80s to mid 90s.

Extended Area Forecast for Saturday through Monday - Partly cloudy and warm with highs in the 80s to low 90s, lows in the 60s and low 70s. Normal Washington temperatures are a high of 82 and a low of 63.

Lower Potomac and Chesapeake Bay - Fair with visbility of 5 miles or more. Wind will become westerly at 10 to 15 knots.Waves will average 1 foot or less.

West Virginia: Today and Friday - Mostly sunny with patchy morning fog each day, highs in the 80s, low in the mid 50s to low 60s.

The National Weather Forecast for Today - Showers ending over California but continuing over the Rockies and the Pacific Northwest.Showers will also spread through New England. Scattered thundershowers will continue over Florida. The remainder of the nation will be sunny and warm. Readings of 100 degrees or higher will be restricted to the southern Plains. Washington and northern New England will have cool weather.

Almanac Data for today: The sun rises 6:42 a.m., sets 7:30 p.m.; moon rises 11:31 a.m. sets 10:28 p.m. Tides: high 11:48 a.m. and 6:13 p.m., low 6:21 a.m. and 6:13 p.m. High and low tides at the following locations may be obtained by subtracting the hours indicated from the hours above: Annapolls (3 1/4), Bloody Point Lighthouse (4 1/2), Deale, Md. (4 1/2), Colonial Beach (5 1/4), Norfolk (1), Virginia Beach (3/4), Solomons Island (6 1/4), Point Lookout (7).

Pollen Count: 72 Ragweed (a reading of more than 7 is considered to be undesirable).

The Council of Governments' Air Quality Index for yesterday showed the high reading in the Washington area during the 3 p.m. period was 110 for the pollutant, photo-chemical oxidants. Index values between 100 and 249 indicate very unhealthy 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 improve.

The National Weather Service forecasts the Potomac River Stage at Little Falls should remain near 3.4 feet today. Local Temps., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 mid.(COLUMN)74(COLUMN)60 1 a.m.(COLUMN)72(COLUMN)64 2 a.m.(COLUMN)71(COLUMN)68 3 a.m.(COLUMN)71(COLUMN)63 4 a.m.(COLUMN)72(COLUMN)66 5 a.m.(COLUMN)69(COLUMN)73 6 a.m.(COLUMN)69(COLUMN)73 7 a.m.(COLUMN)69(COLUMN)73 8 a.m.(COLUMN)71(COLUMN)68 9 a.m.(COLUMN)75(COLUMN)60 10 a.m.(COLUMN)79(COLUMN)52 11 a.m.(COLUMN)81(COLUMN)49 12 noon(COLUMN)84(COLUMN)45 1 p.m.(COLUMN)86(COLUMN)42 2 p.m.(COLUMN)88(COLUMN)39 3 p.m.(COLUMN)89(COLUMN)39 4 p.m.(COLUMN)88(COLUMN)41 5 p.m.(COLUMN)89(COLUMN)41 6 p.m.(COLUMN)87(COLUMN)44 7 p.m.(COLUMN)85(COLUMN)46(END TABLE) Temperatures ending 8 a.m. (EDT) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)80(COLUMN)49 Albuquerque(COLUMN)90(COLUMN)63 Amarillo(COLUMN)89(COLUMN)58 Anchorage(COLUMN)62(COLUMN)51 Asheville(COLUMN)80(COLUMN)39 Atlanta(COLUMN)88(COLUMN)66 Atlantic City(COLUMN)80(COLUMN)65 Austin(COLUMN)91(COLUMN)71 Baltimore(COLUMN)84(COLUMN)62 Billings(COLUMN)91(COLUMN)62 Birmingham(COLUMN)91(COLUMN)70 Bismarck(COLUMN)104(COLUMN)66 Boise(COLUMN)80(COLUMN)56 Boston(COLUMN)82(COLUMN)59 Brownsville(COLUMN)90(COLUMN)76 Buffalo(COLUMN)76(COLUMN)65 Burlington, Vt.(COLUMN)70(COLUMN)49 Casper(COLUMN)95(COLUMN)62 Charleston, S.C.(COLUMN)88(COLUMN)68 Charleston, W.V.(COLUMN)80(COLUMN)59 Charlotte(COLUMN)85(COLUMN)66 Cheyenne(COLUMN)88(COLUMN)53 Chicago(COLUMN)88(COLUMN)65 Cincinnati(COLUMN)82(COLUMN)60 Cleveland(COLUMN)86(COLUMN)62 Columbia, S.C.(COLUMN)86(COLUMN)69 Columbus, O.(COLUMN)84(COLUMN)58 Dal.-Ft. Worth(COLUMN)98(COLUMN)70 Dayton(COLUMN)81(COLUMN)56 Denver(COLUMN)93(COLUMN)56 Des Moines(COLUMN)88(COLUMN)64 Detroit(COLUMN)91(COLUMN)64 Duluth(COLUMN)84(COLUMN)71 El Paso(COLUMN)86(COLUMN)63 Evansville(COLUMN)82(COLUMN)60 Fairbanks(COLUMN)56(COLUMN)46 Fargo(COLUMN)98(COLUMN)68 Great Falls(COLUMN)79(COLUMN)58 Hartford(COLUMN)82(COLUMN)52 Helena(COLUMN)79(COLUMN)59 Honolulu(COLUMN)87(COLUMN)73 Houston(COLUMN)88(COLUMN)73 Indianapolis(COLUMN)85(COLUMN)58 Jackson(COLUMN)95(COLUMN)68 Jacksonville(COLUMN)86(COLUMN)69 Juneau(COLUMN)59(COLUMN)48 Kansas City(COLUMN)93(COLUMN)70 Las Vegas(COLUMN)97(COLUMN)76 Little Rock(COLUMN)87(COLUMN)68 Los Angeles(COLUMN)81(COLUMN)68 Louisville(COLUMN)83(COLUMN)61 Memphis(COLUMN)87(COLUMN)66 Miami Beach(COLUMN)81(COLUMN)76 Midland(COLUMN)83(COLUMN)62 Milwaukee(COLUMN)84(COLUMN)64 Mpls.-St. Paul(COLUMN)90(COLUMN)71 Nashville(COLUMN)88(COLUMN)67 New Orleans(COLUMN)92(COLUMN)71 New York(COLUMN)85(COLUMN)64 Norfolk(COLUMN)82(COLUMN)63 North Platte(COLUMN)97(COLUMN)55 Oklahoma City(COLUMN)100(COLUMN)73 Omaha(COLUMN)90(COLUMN)68 Orlando(COLUMN)92(COLUMN)69 Philadelphia(COLUMN)86(COLUMN)66 Phoenix(COLUMN)101(COLUMN)80 Pittsburgh(COLUMN)81(COLUMN)57 Portland, Me.(COLUMN)81(COLUMN)50 Portland, Ore.(COLUMN)65(COLUMN)56 Providence(COLUMN)80(COLUMN)56 Raleigh(COLUMN)86(COLUMN)63 Rapid City(COLUMN)101(COLUMN)66 Reno(COLUMN)70(COLUMN)52 Richmond(COLUMN)87(COLUMN)61 St. Louis(COLUMN)87(COLUMN)58 St. Pete-Tampa(COLUMN)82(COLUMN)72 Salt Lake City(COLUMN)94(COLUMN)72 San Antonio(COLUMN)88(COLUMN)70 San Diego(COLUMN)77(COLUMN)69 San Francisco(COLUMN)69(COLUMN)57 San Juan(COLUMN)89(COLUMN)79 St. Ste. Marie(COLUMN)72(COLUMN)59 Seattle(COLUMN)62(COLUMN)54 Shreveport(COLUMN)94(COLUMN)68 Sioux Falls(COLUMN)92(COLUMN)70 Spokane(COLUMN)69(COLUMN)56 Syracuse(COLUMN)74(COLUMN)55 Topeka(COLUMN)96(COLUMN)66 Tucson(COLUMN)94(COLUMN)73 Tulsa(COLUMN)95(COLUMN)69 Washington(COLUMN)88(COLUMN)69 Wichita(COLUMN)101(COLUMN)68(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)rain(COLUMN)1 p.m.(COLUMN)52 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)62 Ankara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)81 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)81 Auckland(COLUMN)clear(COLUMN)midnight(COLUMN)45 Berlin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)63 Bonn(COLUMN)rain(COLUMN)1 p.m.(COLUMN)57 Brussels(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)66 Casablanca(COLUMN)clear(COLUMN)noon(COLUMN)73 Copenhagen(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)61 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Geneva(COLUMN)rain(COLUMN)1 p.m.(COLUMN)66 Hong Kong(COLUMN)pt. cldy.(COLUMN)8 p.m.(COLUMN)82 Jerusalem(COLUMN)clear(COLUMN)2 p.m.(COLUMN)82 Lisbon(COLUMN)clear(COLUMN)noon(COLUMN)75 London(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)66 Madrid(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)73 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)81 Manila(COLUMN)clear(COLUMN)8 P.m.(COLUMN)81 Moscow(COLUMN)pt. cldy.(COLUMN)3 p.m.(COLUMN)61 New Delhi(COLUMN)pt. cldy.(COLUMN)5 p.m.(COLUMN)90 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)73 Oslo(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)57 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)63 Peking(COLUMN)rain(COLUMN)8 p.m.(COLUMN)63 Rome(COLUMN)clear(COLUMN)1 p.m.(COLUMN)77 Saigon(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)84 Sofia(COLUMN)rain(COLUMN)2 p.m.(COLUMN)68 Stockholm(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Sydney(COLUMN)rain(COLUMN)10 p.m.(COLUMN)59 Tokyo(COLUMN)cloudy(COLUMN)9 p.m.(COLUMN)75 Tunis(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)84 Vienna(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)72 Warsaw(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)63(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)cloudy(COLUMN)92(COLUMN)77 Barbados(COLUMN)fair(COLUMN)88(COLUMN)73 Bermuda(COLUMN)pt. cldy.(COLUMN)81(COLUMN)77 Calgary(COLUMN)rain(COLUMN)57(COLUMN)52 Edmonton(COLUMN)rain(COLUMN)55(COLUMN)50 Havana(COLUMN)pt. cldy.(COLUMN)90(COLUMN)73 Kingston(COLUMN)clear(COLUMN)88(COLUMN)77 Montego Bay(COLUMN)pt. cldy.(COLUMN)90(COLUMN)75 Mexico City(COLUMN)hazy(COLUMN)73(COLUMN)57 Monterrey(COLUMN)pt. cldy.(COLUMN)86(COLUMN)68 Montreal(COLUMN)cloudy(COLUMN)68(COLUMN)43 Nassau(COLUMN)showers(COLUMN)88(COLUMN)72 Ottawa(COLUMN)cloudy(COLUMN)68(COLUMN)54 Regina(COLUMN)cloudy(COLUMN)81(COLUMN)59 St. Kitts(COLUMN)clear(COLUMN)89(COLUMN)77 Saint Thomas(COLUMN)fair(COLUMN)89(COLUMN)78 Toronto(COLUMN)pt. cldy.(COLUMN)79(COLUMN)64 Vancouver(COLUMN)drizzle(COLUMN)63(COLUMN)54 Veracruz(COLUMN)cloudy(COLUMN)85(COLUMN)72 Winnipeg(COLUMN)cloudy(COLUMN)79(COLUMN)59(END TABLE)