Washington: Today and Friday - Sunny, hot and humid, high near 95, low near 70. The chance of rain is near zero through tonight. Winds will be light and variable.

Maryland and Virginia: Today and Friday - Warm and humid, highs from the mid 80s to mid 90s, low in the 60s.

Extended Area Forecast for Saturday through Monday - Warm and less humid with a chance of thunderstorms Sunday. Highs will be near 90 Saturday, in the upper 70s to mid 80s Sunday and Monday. Lows will range from 65 to 75. Normal Washington temperatures are a high of 86 and a low of 67.

Lower Potomac and Chesapeake Bay - Fair with visibility of 5 miles or more. Winds will be westerly at 10 knots becoming light and variable by nightfall. Waves will average 1 foot or less.

Atlantic Ocean Beaches from New Jersey to North Carolina: Today and Friday - Sunday, hot and humid, highs from the 80s to low 90s. Water temperatures will range from the mid 70s in the north to near 80 in the south.

West Virginia: Today - Sunny, high in the 80s, low in the 60s. Friday - Partly cloudy, highs from the 80s to low 90s.

The national weather forecast for today - Thundershowers will be scattered along the East Coast through eastern Tennessee and Kentucky. Scattered showers will also spread across the Pacific Wyoming. A few thundershowers will dot the remainder of the South. The Midwest and the Southwest will have sunny skies. Temperatures will be cool through the Pacific Northwest. It will be hot in the desert Southwest and the southern and middle Plains. The remainder of the nation will be warm.

Almanac Data for today: The sun rises 6:23 a.m., sets 8:00 p.m.; moon rises 7:24 p.m., sets 5:22 a.m. Tides: high 7:40 a.m. and 8:13 p.m., low 1:56 a.m. and 2:34 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), Colonial Beach (5 1/4), Norfolk (1), Virginia Beach (3/4), Solomons Island (6 1/4), Point Lookout (7).

Pollen Count: 6-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 areas during the 3 p.m. period was 100 for the pollutant, photochemical 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 forecasts for today indicates that the air quality will improve.

The National Weather Service forecasts the Potomac River Stage at Little Falls should remain near 4.4 feet today. Local Temps., Humidity(TABLE) Time(COLUMN)T(COLUMN)H 12 midnight(COLUMN)80(COLUMN)91 1 a.m.(COLUMN)80(COLUMN)91 2 a.m.(COLUMN)79(COLUMN)94 3 a.m.(COLUMN)79(COLUMN)97 4 a.m.(COLUMN)78(COLUMN)97 5 a.m.(COLUMN)78(COLUMN)97 6 a.m.(COLUMN)78(COLUMN)97 7 a.m.(COLUMN)77(COLUMN)97 8 a.m.(COLUMN)78(COLUMN)97 9 a.m.(COLUMN)78(COLUMN)97 10 a.m.(COLUMN)80(COLUMN)91 11 a.m.(COLUMN)82(COLUMN)85 12 noon(COLUMN)84(COLUMN)77 1 p.m.(COLUMN)89(COLUMN)68 2 p.m.(COLUMN)90(COLUMN)66 3 p.m.(COLUMN)91(COLUMN)64 4 p.m.(COLUMN)91(COLUMN)64 5 p.m.(COLUMN)92(COLUMN)62 6 p.m.(COLUMN)91(COLUMN)64 7 p.m.(COLUMN)89(COLUMN)68(END TABLE) Temperatures ending 8 a.m. (EDT) yesterday:(TABLE) City(COLUMN)H(COLUMN)L Albany(COLUMN)92(COLUMN)72 Albuquerque(COLUMN)92(COLUMN)55 Amarillo(COLUMN)86(COLUMN)65 Anchorage(COLUMN)69(COLUMN)36 Asheville(COLUMN)80(COLUMN)66 Atlanta(COLUMN)87(COLUMN)70 Atlantic City(COLUMN)80(COLUMN)74 Austin(COLUMN)98(COLUMN)79 Baltimore(COLUMN)89(COLUMN)73 Billings(COLUMN)79(COLUMN)60 Birmingham(COLUMN)89(COLUMN)73 Bismarck(COLUMN)82(COLUMN)50 Boise(COLUMN)89(COLUMN)54 Boston(COLUMN)80(COLUMN)70 Brownsville(COLUMN)97(COLUMN)78 Buffalo(COLUMN)85(COLUMN)72 Burlington, Vt.(COLUMN)90(COLUMN)75 Casper(COLUMN)77(COLUMN)53 Charleston, S.C.(COLUMN)92(COLUMN)78 Charleston, W. Va.(COLUMN)86(COLUMN)69 Charlotte(COLUMN)88(COLUMN)71 Cheyenne(COLUMN)73(COLUMN)43 Chicago(COLUMN)89(COLUMN)69 Cincinnati(COLUMN)88(COLUMN)74 Cleveland(COLUMN)90(COLUMN)75 Columbia, S.C.(COLUMN)90(COLUMN)70 Columbus(COLUMN)87(COLUMN)74 Dal.-Ft. Worth(COLUMN)101(COLUMN)78 Dayton(COLUMN)88(COLUMN)73 Denver(COLUMN)82(COLUMN)48 Des Moines(COLUMN)87(COLUMN)62 Detroit(COLUMN)90(COLUMN)66 Duluth(COLUMN)76(COLUMN)62 El Paso(COLUMN)98(COLUMN)73 Fairbanks(COLUMN)64(COLUMN)54 Fargo(COLUMN)69(COLUMN)49 Flagstaff(COLUMN)79(COLUMN)46 Great Falls(COLUMN)81(COLUMN)53 Hartford(COLUMN)88(COLUMN)68 Helena(COLUMN)78(COLUMN)56 Honolulu(COLUMN)88(COLUMN)74 Houston(COLUMN)93(COLUMN)78 Indianapolis(COLUMN)91(COLUMN)75 Jackson(COLUMN)90(COLUMN)73 Jacksonville(COLUMN)93(COLUMN)74 Juneau(COLUMN)64(COLUMN)44 Kansas City(COLUMN)85(COLUMN)62 Las Vegas(COLUMN)101(COLUMN)78 Little Rock(COLUMN)97(COLUMN)77 Los Angeles(COLUMN)82(COLUMN)70 Louisville(COLUMN)92(COLUMN)77 Memphis(COLUMN)91(COLUMN)79 Miami Beach(COLUMN)86(COLUMN)81 Midland(COLUMN)100(COLUMN)73 Milwaukee(COLUMN)88(COLUMN)65 Mpls.-St. Paul(COLUMN)80(COLUMN)60 Nashville(COLUMN)91(COLUMN)72 New Orleans(COLUMN)92(COLUMN)74 New York(COLUMN)90(COLUMN)77 Norfolk(COLUMN)88(COLUMN)75 North Platte(COLUMN)79(COLUMN)47 Oklahoma City(COLUMN)97(COLUMN)70 Omaha(COLUMN)77(COLUMN)57 Orlando(COLUMN)92(COLUMN)73 Philadelphia(COLUMN)91(COLUMN)77 Phoenix(COLUMN)105(COLUMN)78 Pittsburgh(COLUMN)86(COLUMN)69 Portland, Me.(COLUMN)82(COLUMN)65 Portland, Ore.(COLUMN)71(COLUMN)55 Providence(COLUMN)86(COLUMN)70 Raleigh(COLUMN)92(COLUMN)73 Rapid City(COLUMN)78(COLUMN)53 Reno(COLUMN)88(COLUMN)47 Richmond(COLUMN)92(COLUMN)73 St. Louis(COLUMN)93(COLUMN)68 St. Prbg.-Tampa(COLUMN)93(COLUMN)76 Salt Lake City(COLUMN)82(COLUMN)67 San Antonto(COLUMN)97(COLUMN)76 San Diego(COLUMN)78(COLUMN)67 San Francisco(COLUMN)63(COLUMN)55 San Juan(COLUMN)89(COLUMN)82 St. Ste. Marie(COLUMN)87(COLUMN)64 Seattle(COLUMN)71(COLUMN)56 Shreveport(COLUMN)98(COLUMN)75 Sioux Falls(COLUMN)76(COLUMN)58 Spokane(COLUMN)63(COLUMN)48 Syracuse(COLUMN)88(COLUMN)68 Topeka(COLUMN)84(COLUMN)57 Tucson(COLUMN)98(COLUMN)73 Tulsa(COLUMN)98(COLUMN)69 Washington(COLUMN)90(COLUMN)76 Wichita(COLUMN)91(COLUMN)57 Evansville(COLUMN)92(COLUMN)78(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)63 Amsterdam(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN)64 Ankara(COLUMN)clear(COLUMN) 3 p.m.(COLUMN)73 Athens(COLUMN)clear(COLUMN) 2 p.m.(COLUMN)82 Auckland(COLUMN)clear(COLUMN)midnight(COLUMN)45 Berlin(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)75 Birmingham(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)63 Bonn(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN)66 Brussels(COLUMN)rain(COLUMN) 1 p.m.(COLUMN)63 Casablanca(COLUMN)clear(COLUMN)noon(COLUMN)75 Copenhagen(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)72 Dublin(COLUMN)rain(COLUMN) 1 p.m.(COLUMN)61 Geneva(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)61 Hong Kong(COLUMN)clear(COLUMN) 8 p.m.(COLUMN)84 Jerusalem(COLUMN)clear(COLUMN) 2 p.m.(COLUMN)79 Lisbon(COLUMN)clear(COLUMN)noon(COLUMN)79 London(COLUMN)pt. cldy.(COLUMN) 1 p.m.(COLUMN)68 Madrid(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)86 Malta(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)81 Manila(COLUMN)pt. cldy.(COLUMN) 8 p.m.(COLUMN)81 Moscow(COLUMN)cloudy(COLUMN) 3 p.m.(COLUMN)61 New Delhi(COLUMN)rain(COLUMN) 5 p.m.(COLUMN)90 Nice(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)75 Oslo(COLUMN)pt. cldy.(COLUMN) 1 p.m.(COLUMN)68 Paris(COLUMN)pt. cldy.(COLUMN) 1 p.m.(COLUMN)70 Peking(COLUMN)cloudy(COLUMN) 8 p.m.(COLUMN)77 Rome(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)82 Saigon(COLUMN)cloudy(COLUMN) 8 p.m.(COLUMN)81 Sofia(COLUMN)clear(COLUMN) 2 p.m.(COLUMN)75 Stockholm(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)68 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)52 Tokyo(COLUMN)clear(COLUMN) 9 p.m.(COLUMN)86 Tunis(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)88 Vienna(COLUMN)pt. cldy.(COLUMN) 1 p.m.(COLUMN)81 Warsaw(COLUMN)pt. cldy.(COLUMN) 1 p.m.(COLUMN)77(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)fair(COLUMN)90(COLUMN)70 Barbados(COLUMN)pt. cldy.(COLUMN)79(COLUMN)75 Bermuda(COLUMN)pt. cldy.(COLUMN)85(COLUMN)79 Calgary(COLUMN)rain(COLUMN)68(COLUMN)48 Edmonton(COLUMN)rain(COLUMN)68(COLUMN)48 Havana(COLUMN)cloudy(COLUMN)88(COLUMN)77 Kingston(COLUMN)pt. cldy.(COLUMN)90(COLUMN)80 Mexico City(COLUMN)haze(COLUMN)65(COLUMN)55 Monterrey(COLUMN)fair(COLUMN)103(COLUMN)73 Montreal(COLUMN)cloudy(COLUMN)90(COLUMN)72 Nassau(COLUMN)pt. cldy.(COLUMN)90(COLUMN)75 Ottawa(COLUMN)cloudy(COLUMN)90(COLUMN)68 Regina(COLUMN)clear(COLUMN)82(COLUMN)52 St. Kitts(COLUMN)rain(COLUMN)88(COLUMN)73 Toronto(COLUMN)cloudy(COLUMN)84(COLUMN)70 Vancouver(COLUMN)rain(COLUMN)68(COLUMN)54 Veracruz(COLUMN)cloudy(COLUMN)86(COLUMN)75 Winnipeg(COLUMN)clear(COLUMN)68(COLUMN)45(END TABLE)