Washington: Today - Partly cloudy, high near 80, low near 50. The chance of rain is 10 per cent today and near zero tonight. Friday - Sunny, high near 80.

Maryland: Today - Sunny, highs in the 70s, lows from the 50s to the low 60s. Friday - Sunny, highs in the 70s.

Virginia: Today - Partly cloudy, highs in the 70s, lows from the 50s to the 60s. There is a chance of morning showers in the south. Friday - Sunny, highs in the 70s.

Lower Potomac and Chesapeake Bay: Today - Chance of morning showers, but clearing by afternoon. Wind will be from the northwest at less than 12 knots. Visibility will be less than 2 feet.

West Virginia: Today - Partly cloudy, highs from the mid 70s to the low 80s, lows from the upper 40s to the mid 50s. Friday - Sunny, highs from the mid 70s to the mid 80s.

Extended Area Forecast for Saturday through Monday: Sunny through the period. Highs will be in the 80s, lows from the 50s to the 60s. Highs will be in the 70s in the mountains and at the shore. Normal Washington temperatures for the period are a high of 80 and a low of 60.

The National Weather Forecast for today. It will be sunny over the northern half of the Atlantic Coast through the Great Lakes and most of the Ohio Valley into the Upper Missippi Valley, while it will be partly cloudy over southern California into the Southern plateau. The remainder of the nation is expected to have scattered showers or thunderstorms. It will be cooler in North Dakota and in New England, with only minor temperatures changes elsewhere. It will continue to be cool from the Rockies west-ward and warm over much of the Mississippi and Ohio Valltys into the upper Great Lakes.

Almanac Data for today - Sun rises 5:48 a.m., sets 8:23 p.m., moon rises 1:31 p.m. sets 1:37 a.m. Tides: High 2:27 a.m. and 2:47 p.m. and 9:41 p.m. High and low tides at the following locations can be obtained by subtracting the hours indicated from the tides above. Annappolis (3 1/2); Bloody Point Lighthouse (4 1/2); Deale, Md. (4 1/2); Colonial Beach (6); Norfolk (1 1/2); Virginia Beach (1); Solomons Island (6 1/2); Point Lookout (7). Pollen count: 30 for grass (note: 7 or higher is considered undersirable.)

The Council of Governments' Air Quality Index for yesterday showed the high reading in the Washington area during the 2 p.m. to 3 p.m. period was 19 for the pollutant, carbon monoxide. Index values between zero and 24 indicate good air quality. When the index exceeds 100 the air becomes hazardous and persons with lung, heart and eye problems should restrict their activity. The forecast for today indicates the air quality will be good.

The National Weather Service forecasts that the Potomac River stage at Little Falls will be near 3.2 feet. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 mid.(COLUMN)70(COLUMN)79 1 a.m.(COLUMN)70(COLUMN)79 2 a.m.(COLUMN)69(COLUMN)81 3 a.m.(COLUMN)68(COLUMN)84 4 a.m.(COLUMN)67(COLUMN)87 5 a.m.(COLUMN)67(COLUMN)84 6 a.m.(COLUMN)67(COLUMN)87 7 a.m.(COLUMN)67(COLUMN)87 8 a.m.(COLUMN)68(COLUMN)84 9 a.m.(COLUMN)68(COLUMN)84 10 a.m.(COLUMN)70(COLUMN)67 11 a.m.(COLUMN)71(COLUMN)73 12 noon(COLUMN)71(COLUMN)73 3 p.m.(COLUMN)74(COLUMN)71 4 p.m.(COLUMN)75(COLUMN)69 5 p.m.(COLUMN)75(COLUMN)69 6 p.m.(COLUMN)74(COLUMN)67 7 p.m.(COLUMN)75(COLUMN)69(END TABLE) Temperatures ending 8 a.m. (EDT) Yesterday(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)83(COLUMN)64 Abuquerque(COLUMN)82(COLUMN) -- Amarillo(COLUMN)80(COLUMN)64 Anchorage(COLUMN)49(COLUMN)40 Asheville(COLUMN)72(COLUMN)60 Atlanta(COLUMN)68(COLUMN)61 Atlantic City(COLUMN)71(COLUMN)63 Austin(COLUMN)85(COLUMN)65 Baltimore(COLUMN)82(COLUMN)64 Billings(COLUMN)78(COLUMN)52 Birmingham(COLUMN)83(COLUMN)63 Bismarck(COLUMN)91(COLUMN)65 Boise(COLUMN)61(COLUMN)40 Boston(COLUMN)90(COLUMN)69 Brownsville(COLUMN)86(COLUMN)70 Buffalo(COLUMN)85(COLUMN)63 Burlington(COLUMN)84(COLUMN)62 Casper(COLUMN)79(COLUMN)53 Charleston, S.C.(COLUMN)83(COLUMN)71 Charlton, W.Va.(COLUMN)80(COLUMN)64 Charlotte(COLUMN)74(COLUMN)62 Cheyenne(COLUMN)77(COLUMN)45 Chicago(COLUMN)90(COLUMN)65 Cincinnati(COLUMN)85(COLUMN)64 Cleveland(COLUMN)85(COLUMN)58 Columbia, S.C.(COLUMN)71(COLUMN)66 Columbus(COLUMN)86(COLUMN)64 Dal. Ft. Worth(COLUMN)89(COLUMN)63 Dayton(COLUMN)86(COLUMN)63 Denver(COLUMN)84(COLUMN)56 Des Moines(COLUMN)85(COLUMN)65 Detroit(COLUMN)87(COLUMN)61 Duluth(COLUMN)68(COLUMN)53 El Paso(COLUMN)94(COLUMN)66 Fairbanks(COLUMN)59(COLUMN)47 Fargo(COLUMN)88(COLUMN)68 Flagstaff(COLUMN)52(COLUMN)34 Great Falls(COLUMN)65(COLUMN)47 Hartford(COLUMN)91(COLUMN)66 Helena(COLUMN)63(COLUMN)47 Honolulu(COLUMN)85(COLUMN)74 Houston(COLUMN)85(COLUMN)70 Indianapolis(COLUMN)88(COLUMN)68 Jackson, Miss.(COLUMN)87(COLUMN)63 Jacksonville(COLUMN)85(COLUMN)68 Kansas City(COLUMN)82(COLUMN)62 Las Vegas(COLUMN)62(COLUMN)49 Little Rock(COLUMN)86(COLUMN)66 Los Angeles(COLUMN)66(COLUMN)55 Louisville(COLUMN)86(COLUMN)68 Memphis(COLUMN)91(COLUMN)67 Miami Beach(COLUMN)85(COLUMN)75 Midland-Odessa(COLUMN)87(COLUMN)70 Milwaukee(COLUMN)83(COLUMN)54 Mpls-St. Paul(COLUMN)86(COLUMN)66 Nashville(COLUMN)86(COLUMN)68 New Orleans(COLUMN)88(COLUMN)67 New York(COLUMN)84(COLUMN)69 Norfolk(COLUMN)74(COLUMN)68 North Platte(COLUMN)80(COLUMN)62 Oklahoma City(COLUMN)81(COLUMN)62 Omaha(COLUMN)87(COLUMN)67 Orlando(COLUMN)93(COLUMN)69 Philadelphia(COLUMN)82(COLUMN)65 Phoenix(COLUMN)79(COLUMN)60 Pittsburgh(COLUMN)83(COLUMN)61 Portland, Ma.(COLUMN)87(COLUMN)63 Portland, Ore.(COLUMN)63(COLUMN)41 Providence(COLUMN)87(COLUMN)68 Raleigh(COLUMN)67(COLUMN)66 Rapid City(COLUMN)85(COLUMN)60 Reno(COLUMN)62(COLUMN)32 Richmond(COLUMN)74(COLUMN)67 St. Louis(COLUMN)81(COLUMN)62 St. Prbg Tampa(COLUMN)89(COLUMN)65 Salt Lake City(COLUMN)62(COLUMN)48 San Antonio(COLUMN)82(COLUMN)68 San Diego(COLUMN)65(COLUMN)58 San Francisco(COLUMN)59(COLUMN)52 San Juan(COLUMN)85(COLUMN)74 St. Ste. Marie(COLUMN)70(COLUMN)40 Seattle(COLUMN)64(COLUMN)44 Shreveport(COLUMN)89(COLUMN)61 Sioux Falls(COLUMN)85(COLUMN)67 Spokane(COLUMN)59(COLUMN)38 Syracuse(COLUMN)82(COLUMN)59 Topeka(COLUMN)81(COLUMN)62 Tucson(COLUMN)79(COLUMN)59 Tulsa(COLUMN)87(COLUMN)66 Washington(COLUMN)80(COLUMN)67 Wichita(COLUMN)83(COLUMN)63(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)59 Amsterdam(COLUMN)clear(COLUMN)1 p.m.(COLUMN)72 Ankara(COLUMN)pt.cldy(COLUMN)3 p.m.(COLUMN)70 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)81 Auckland(COLUMN)pt.cldy(COLUMN)mid(COLUMN)59 Berlin(COLUMN)pt.cldy(COLUMN)1 p.m.(COLUMN)63 Birmingham(COLUMN)clear(COLUMN)1 p.m.(COLUMN)59 Brussels(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)73 Cairo(COLUMN)clear(COLUMN)2 p.m.(COLUMN)104 Casablanca(COLUMN)pt. cldy(COLUMN)noon(COLUMN)68 Copenhagen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Dublin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)57 Geneva(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)66 Hong Kong(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)81 Lisbon(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)70 London(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)70 Madrid(COLUMN)rain(COLUMN)1 p.m.(COLUMN)55 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)75 Manila(COLUMN)rain(COLUMN)8 p.m.(COLUMN)79 Moscow(COLUMN)rain(COLUMN)3 p.m.(COLUMN)52 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)99 Nice(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)70 Oslo(COLUMN)clear(COLUMN)1 p.m.(COLUMN)59 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)73 Peking(COLUMN)rain(COLUMN)8 p.m.(COLUMN)66 Rome(COLUMN)clear(COLUMN)1 p.m.(COLUMN)82 Saigon(COLUMN)clear(COLUMN)8 p.m.(COLUMN)88 Sofia(COLUMN)clear(COLUMN)2 p.m.(COLUMN)66 Stockholm(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)50 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)55 Tel Aviv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)86 Tokyo(COLUMN)cloudy(COLUMN)9 p.m.(COLUMN)63 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)79 Vienna(COLUMN)clear(COLUMN)1 p.m.(COLUMN)68 Warsaw(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)54(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)cloudy(COLUMN)90(COLUMN)75 Barbados(COLUMN)cloudy(COLUMN)85(COLUMN)74 Bermuda(COLUMN)pt. sunny(COLUMN)77(COLUMN)68 Bogota(COLUMN)pt. cloudy(COLUMN)64(COLUMN)45 Calgary(COLUMN)cloudy(COLUMN)66(COLUMN)43 Edmonton(COLUMN)pt. cloudy(COLUMN)72(COLUMN)43 Kingston(COLUMN)sunny(COLUMN)86(COLUMN)67 Montego Bay(COLUMN)pt. sunny(COLUMN)86(COLUMN)72 Mexico City(COLUMN)sunny(COLUMN)75(COLUMN)55 Monterrey(COLUMN)cloudy(COLUMN)86(COLUMN)70 Montreal(COLUMN)clear(COLUMN)82(COLUMN)63 Nassau(COLUMN)pt. sunny(COLUMN)48(COLUMN)68 Ottawa(COLUMN)pt. cloudy(COLUMN)82(COLUMN)59 Regina(COLUMN)pt. cloudy(COLUMN)86(COLUMN)55 St. Kitts(COLUMN)pt. cloudy(COLUMN)87(COLUMN)77 St. Thomas(COLUMN)pt. sunny(COLUMN)86(COLUMN)77 Toronto(COLUMN)clear(COLUMN)81(COLUMN)55 Veracuz(COLUMN)pt. sunny(COLUMN)91(COLUMN)77 Winnipeg(COLUMN)pt. cloudy(COLUMN)86(COLUMN)68(END TABLE)