Washington: Today - Sunny and pleasant, high in the mid 80s, low in the mid 60s. Chance of rain, near zero. Friday - Sunny and warm, high in the low to mid 90s.

Maryland and Virginia: Sunny and warm, high in the upper 80s, low in the low to mid 60s. Friday - Sunny and warm, high in the upper 50s to low 60s.

Extended Area Forecast for Saturday through Monday: Partly cloudy, warm and humid through the period. There is a chance of afternoon and evening thunderstorms on Sunday and Monday. Highs will be in the upper 80s to low 90s. Lows in the upper 60s to mid 70s.

Atlantic Ocean Beaches from New Jersey to Maryland: Today - Sunny and warm, high in the 80s. Friday - Sunny and warm, high in the low to mid 80s. Water temperatures will be in the mid to upper 60s.

Atlantic Ocean Beaches from Virginia to North Carolina: Today - Sunny and warm, high in the low 80s Friday - Sunny and warm high in the mid to upper 80s. Water temperature will be in the 70s.

Lower Potomac and Chesapeake Bay - Fair with visibility of five miles or more. Winds will be from the northeast at 5 to 10 knots. Waves will average 1 foot or less.

West Virginia: Today - Mostly sunny with highs in the upper 70s to mid 80s. Friday - Mostly sunny, high in the 80s.

The National Weather Forecast for today - Thundershowers will continue from Florida across the Gulf Coast to the Louisiana Delta. Showers and occasional thundershowers will be scattered from the northern Rockies across the upper Missouri Valley.

Showers and occasional thundershowers will also prevail in the northern portions of the Upper Plains and the northern Mississippi Valley into the Upper Great Lakes. Thundershowers will be widely scattered in the central Mississippi Valley. Temperatures will be hot from Oklahoma and Kansas into the upper Mississipi Valley and the Great Lakes. Temperatures will be mild from the upper Missouri Valley, and the northern half of the Rockies, through the Great Basin, the northern Intermountain Region and the southern coast of California. Temperatures over the remainder of the nation will be seasonably warm.

Almanac Data for today: The sun rises 5:49 a.m., sets 8:36 p.m.; moon rises 7:03 a.m., sets 9:16 p.m. Tides: high 9:27 a.m. and 9:25 p.m., low 2:43 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).

The Council of Governments' Air Quality Index for yesterday showed the high reading in the Washington area during the 3 p.m. period was 47 for the pollutant, photochemical oxidants. Index values between 25 and 49 indicate fair 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 State at Little Falls should fall to near 60 feet today. The river at Little Falls is considered hazardous for recreational purpose when the stage is 5 feet. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 m'night(COLUMN)67(COLUMN)78 1 a.m.(COLUMN)67(COLUMN)78 2 a.m.(COLUMN)67(COLUMN)76 3 a.m.(COLUMN)65(COLUMN)78 4 a.m.(COLUMN)64(COLUMN)84 5 a.m.(COLUMN)63(COLUMN)84 6 a.m.(COLUMN)62(COLUMN)87 7 a.m.(COLUMN)64(COLUMN)87 8 a.m.(COLUMN)67(COLUMN)78 9 a.m.(COLUMN)69(COLUMN)68 10 a.m.(COLUMN)72(COLUMN)61 11 a.m.(COLUMN)73(COLUMN)59 12 noon(COLUMN)75(COLUMN)54 1 p.m.(COLUMN)77(COLUMN)52 2 p.m.(COLUMN)78(COLUMN)50 3 p.m.(COLUMN)80(COLUMN)46 4 p.m.(COLUMN)81(COLUMN)46 5 p.m.(COLUMN)81(COLUMN)44 6 p.m.(COLUMN)81(COLUMN)46 7 p.m.(COLUMN)81(COLUMN)47(END TABLE) Temperatures ending 8 a.m. (EDT) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L Albany(COLUMN)68(COLUMN)44 Albuquerque(COLUMN)96(COLUMN)66 Amarillo(COLUMN)95(COLUMN)63 Anchorage(COLUMN)65(COLUMN)55 Asheville(COLUMN)87(COLUMN)65 Atlanta(COLUMN)93(COLUMN)68 Atlantic City(COLUMN)66(COLUMN)56 Austin(COLUMN)98(COLUMN)78 Baltimore(COLUMN)63(COLUMN)58 Billings(COLUMN)66(COLUMN)51 Birmingham(COLUMN)95(COLUMN)71 Bismarck(COLUMN)89(COLUMN)57 Boise(COLUMN)72(COLUMN)57 Boston(COLUMN)60(COLUMN)56 Brownsville(COLUMN)97(COLUMN)98 Buffalo(COLUMN)71(COLUMN)57 Burlington, Vt.(COLUMN)80(COLUMN)59 Casper(COLUMN)83(COLUMN)96 Charleston, S.C.(COLUMN)95(COLUMN)80 Charleston, W.Va.(COLUMN)72(COLUMN)60 Charlotte(COLUMN)91(COLUMN)71 Cheyenne(COLUMN)86(COLUMN)53 Chicago(COLUMN)80(COLUMN)64 Cincinnati(COLUMN)79(COLUMN)62 Cleveland(COLUMN)69(COLUMN)54 Columbia, S.C.(COLUMN)94(COLUMN)73 Columbus(COLUMN)71(COLUMN)69 Dal.-Ft. Worth(COLUMN)101(COLUMN)78 Dayton(COLUMN)79(COLUMN)57 Denver(COLUMN)95(COLUMN)53 Des Moines(COLUMN)89(COLUMN)74 Detroit(COLUMN)75(COLUMN)57 Duluth(COLUMN)73(COLUMN)60 El Paso(COLUMN)100(COLUMN)76 Fairbanks(COLUMN)68(COLUMN)60 Fargo(COLUMN)84(COLUMN)63 Flagstaff(COLUMN)81(COLUMN)36 Great Falls(COLUMN)62(COLUMN)53 Hartford(COLUMN)63(COLUMN)53 Helena(COLUMN)66(COLUMN)53 Honolulu(COLUMN)87(COLUMN)73 Houston(COLUMN)96(COLUMN)80 Indianapolis(COLUMN)85(COLUMN)66 Jackson(COLUMN)93(COLUMN)72 Jacksonville(COLUMN)92(COLUMN)74 Juneau(COLUMN)64(COLUMN)53 Kansas City(COLUMN)100(COLUMN)79 Las Vegas(COLUMN)102(COLUMN)70 Little Rock(COLUMN)98(COLUMN)74 Los Angeles(COLUMN)80(COLUMN)61 Louisville(COLUMN)84(COLUMN)64 Memphis(COLUMN)95(COLUMN)73 Miami Beach(COLUMN)87(COLUMN)82 Midland(COLUMN)95(COLUMN)71 Milwaukee(COLUMN)75(COLUMN)59 Mpls. -St. Paul(COLUMN)79(COLUMN)72 Nashville(COLUMN)89(COLUMN)67 New Orleans(COLUMN)93(COLUMN)77 New York(COLUMN)62(COLUMN)58 Norfolk(COLUMN)78(COLUMN)65 North Platte(COLUMN)102(COLUMN)72 Oklahoma City(COLUMN)97(COLUMN)76 Omaha(COLUMN)96(COLUMN)77 Orlando(COLUMN)95(COLUMN)76 Philadelphia(COLUMN)65(COLUMN)56 Phoenix(COLUMN)106(COLUMN)75 Pittsburgh(COLUMN)69(COLUMN)61 Portland, Me.(COLUMN)61(COLUMN)53 Portland, Ore.(COLUMN)65(COLUMN)54 Providence(COLUMN)62(COLUMN)55 Raleigh(COLUMN)88(COLUMN)67 Rapid City(COLUMN)93(COLUMN)60 Reno(COLUMN)79(COLUMN)54 Richmond(COLUMN)85(COLUMN)63 St. Louis(COLUMN)86(COLUMN)68 St. Prbg.-Tampa(COLUMN)93(COLUMN)82 Salt Lake City(COLUMN)82(COLUMN)52 San Antonio(COLUMN)98(COLUMN)78 San Diego(COLUMN)71(COLUMN)64 San Francisco(COLUMN)67(COLUMN)54 San Juan(COLUMN)90(COLUMN)73 St. Ste. Marie(COLUMN)82(COLUMN)51 Seattle(COLUMN)64(COLUMN)56 Shreveport(COLUMN)99(COLUMN)72 Sioux Falls(COLUMN)90(COLUMN)68 Spokane(COLUMN)53(COLUMN)54 Syracuse(COLUMN)79(COLUMN)56 Topeka(COLUMN)97(COLUMN)71 Tucson(COLUMN)104(COLUMN)72 Tulsa(COLUMN)100(COLUMN)700 Washington(COLUMN)75(COLUMN)62 Wichita(COLUMN)103(COLUMN)77(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)rain(COLUMN)1 p.m.(COLUMN)48 Amsterdam(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)59 Ankara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)86 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)84 Auckland(COLUMN)clear(COLUMN)m'night(COLUMN)55 Berlin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Bonn(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)59 Brussels(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Cairo(COLUMN)clear(COLUMN)2 p.m.(COLUMN)104 Copenhagen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)61 Casablanca(COLUMN)clear(COLUMN)noon(COLUMN)72 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)55 Geneva(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)55 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)86 Jerusalem(COLUMN)clear(COLUMN)2 p.m.(COLUMN)93 Lisbon(COLUMN)clear(COLUMN)noon(COLUMN)75 London(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)57 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)72 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)84 Manila(COLUMN)rain(COLUMN)8 p.m.(COLUMN)79 Moscow(COLUMN)pt. cldy.(COLUMN)3 p.m.(COLUMN)79 New Delhi(COLUMN)cloudy(COLUMN)5 p.m.(COLUMN)84 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)73 Oslo(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)64 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)59 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)84 Rome(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)75 Saigon(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)79 Sofia(COLUMN)clear(COLUMN)8 p.m.(COLUMN)84 Stockholm(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)59 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)54 Tokyo(COLUMN)pt. cldy.(COLUMN)9 p.m.(COLUMN)82 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)88 Vienna(COLUMN)rain(COLUMN)1 p.m.(COLUMN)55 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)68(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)fair(COLUMN)81(COLUMN)77 Barbados(COLUMN)rain(COLUMN)86(COLUMN)79 Bermuda(COLUMN)fair(COLUMN)88(COLUMN)79 Bogota(COLUMN)pt.cldy.(COLUMN)65(COLUMN)48 Calgary(COLUMN)pt.cldy.(COLUMN)72(COLUMN)48 Culacan(COLUMN)pt.cldy.(COLUMN)130(COLUMN)79 Edmonton(COLUMN)pt.cldy.(COLUMN)84(COLUMN)57 Havana(COLUMN)pt.cldy.(COLUMN)93$0(COLUMN)75 Kingston(COLUMN)fair(COLUMN)95(COLUMN)79 Montego Bay(COLUMN)pt.cldy.(COLUMN)64(COLUMN)75 Mexico City(COLUMN)pt.cldy.(COLUMN)72(COLUMN)55 Monterrey(COLUMN)fair(COLUMN)100(COLUMN)75 Montreal(COLUMN)clear(COLUMN)77(COLUMN)55 Ottawa(COLUMN)clear(COLUMN)81(COLUMN)57 Regina(COLUMN)cloudy(COLUMN)79(COLUMN)55 St. Kitts(COLUMN)fair(COLUMN)89(COLUMN)75 St. Thomas(COLUMN)fair(COLUMN)89(COLUMN)80 Toronto(COLUMN)pt.cldy.(COLUMN)73(COLUMN)50 Vancouver(COLUMN)cloudy(COLUMN)66(COLUMN)57 Veracruz(COLUMN)cloudy(COLUMN)84(COLUMN)72 Winnipeg(COLUMN)pt.cldy.(COLUMN)79(COLUMN)64(END TABLE)