Washington: Today - Sunny, high in 60s, low from 44 to 50. Chance of rain is near zero today and 10 percent tonight. Winds will be light and variable. Saturday - partly cloudy, high near 70.

Maryland and Virginia: Today - Mostly sunny, high in 60s, lows from 40s to 50s. Saturday - Fair in north and partly cloudy in south portion with a chance of occasional rain near th coast. The highs will be in the 60s to near 70.

Lower Potomac and Chesapeake Bay: Today - Fair, visibility more than five miles except in patchy fog. Winds will be southerly at 15 knots. Waves in unprotected waters will be 2 feet.

Extended Area Outlook for Sunday through Tuesday: Partly cloudy Sunday and Monday. There will be a chance of rain on Tuesday. Highs will average in the 60s with lows mostly in the 40s. Normal Washington temperatures for the period will be a high of 58 and a low of 40.

West Virginia: Today - Mostly sunny, high in 60s, low in 30s to mid 40s. Saturday - Mostly sunny, highs in the 60s.

Almanac Data for today: The sun rises 6:45 a.m., sets 4:59 p.m.; moon rises 2:48 p.m., sets 2:09 a.m. Tides: high 3:56 a.m. and 4:33 p.m., low 10:43 a.m. and 11:15 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 Government's Air Quality Index for yesterday showed the high reading in the Washington area during the 3 p.m. period was 23 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 good.

The National Weather Service forecasts the Potomac River stage at Little Falls should remain near 2.8 feet today. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midnight(COLUMN)45(COLUMN)71 1 a.m.(COLUMN)44(COLUMN)73 2 a.m.(COLUMN)43(COLUMN)76 3 a.m.(COLUMN)43(COLUMN)76 4 a.m.(COLUMN)40(COLUMN)82 5 a.m.(COLUMN)40(COLUMN)79 6 a.m.(COLUMN)41(COLUMN)76 7 a.m.(COLUMN)41(COLUMN)79 8 a.m.(COLUMN)41(COLUMN)79 9 a.m.(COLUMN)48(COLUMN)63 10 a.m.(COLUMN)51(COLUMN)61 11 a.m.(COLUMN)56(COLUMN)55 12 noon(COLUMN)59(COLUMN)53 1 p.m.(COLUMN)61(COLUMN)50 2 p.m.(COLUMN)63(COLUMN)46 3 p.m.(COLUMN)64(COLUMN)41 4 p.m.(COLUMN)63(COLUMN)46 5 p.m.(COLUMN)60(COLUMN)50 6 p.m.(COLUMN)59(COLUMN)58 7 p.m.(COLUMN)57(COLUMN)64(END TABLE) Temperatures ending 7 a.m. (EST) yesterday:(TABLE) City(COLUMN)H(COLUMN)L Albany(COLUMN)47(COLUMN)28 Albuquerque(COLUMN)72(COLUMN)38 Amarillo(COLUMN)76(COLUMN)45 Anchorage(COLUMN)25(COLUMN)15 Asheville(COLUMN)66(COLUMN)48 Atlanta(COLUMN)67(COLUMN)45 Atlantic City(COLUMN)54(COLUMN)40 Austin(COLUMN)62(COLUMN)41 Baltimore(COLUMN)56(COLUMN)32 Billings(COLUMN)65(COLUMN)32 Birmingham(COLUMN)55(COLUMN)38 Bismarck(COLUMN)66(COLUMN)38 Boise(COLUMN)56(COLUMN)38 Boston(COLUMN)48(COLUMN)42 Brownsville(COLUMN)73(COLUMN)46 Buffalo(COLUMN)48(COLUMN)40 Burlington(COLUMN)48(COLUMN)39 Casper(COLUMN)69(COLUMN)29 Charleston, S.C.(COLUMN)74(COLUMN)59 Charleston, WVa(COLUMN)49(COLUMN)38 Charlotte(COLUMN)64(COLUMN)42 Cheyenne(COLUMN)67(COLUMN)39 Chicago(COLUMN)58(COLUMN)44 Cincinnati(COLUMN)53(COLUMN)31 Cleveland(COLUMN)53(COLUMN)36 Columbia, S.C.(COLUMN)67(COLUMN)58 Columbus(COLUMN)50(COLUMN)31 Dal.-Ft. Worth(COLUMN)69(COLUMN)42 Dayton(COLUMN)54(COLUMN)34 Denver(COLUMN)78(COLUMN)40 Des Moines(COLUMN)66(COLUMN)44 Detroit(COLUMN)53(COLUMN)38 Duluth(COLUMN)63(COLUMN)39 El Paso(COLUMN)73(COLUMN)50 Fairbanks(COLUMN)08(COLUMN)-4 Fargo(COLUMN)66(COLUMN)40 Flagstaff(COLUMN)66(COLUMN)29 Great Falls(COLUMN)59(COLUMN)24 Hartford(COLUMN)42(COLUMN)33 Helena(COLUMN)61(COLUMN)26 Honolulu(COLUMN)80(COLUMN)69 Houston(COLUMN)65(COLUMN)50 Indianapolis(COLUMN)56(COLUMN)35 Jackson, Miss.(COLUMN)63(COLUMN)33 Jacksonville(COLUMN)70(COLUMN)59 Juneau(COLUMN)35(COLUMN)21 Kansas City(COLUMN)67(COLUMN)50 Las Vegas(COLUMN)81(COLUMN)48 Little Rock(COLUMN)64(COLUMN)42 Los Angeles(COLUMN)82(COLUMN)57 Louisville(COLUMN)55(COLUMN)30 Memphis(COLUMN)64(COLUMN)37 Miami Beach(COLUMN)82(COLUMN)74 Midland-Odessa(COLUMN)68(COLUMN)43 Milwaukee(COLUMN)55(COLUMN)42 Mpls-St. Paul(COLUMN)65(COLUMN)49 Nashville(COLUMN)58(COLUMN)32 New Orleans(COLUMN)65(COLUMN)42 New York(COLUMN)48(COLUMN)43 Norfolk, Va.(COLUMN)64(COLUMN)47 Oklahoma City(COLUMN)67(COLUMN)43 Omaha(COLUMN)71(COLUMN)47 Orlando(COLUMN)81(COLUMN)68 Philadelphia(COLUMN)54(COLUMN)36 Phoenix(COLUMN)88(COLUMN)57 Pittsburgh(COLUMN)48(COLUMN)31 Portland, Me.(COLUMN)48(COLUMN)29 Portland, Ore.(COLUMN)54(COLUMN)35 Providence(COLUMN)49(COLUMN)33 Raleigh(COLUMN)63(COLUMN)50 Rapid City(COLUMN)75(COLUMN)41 Reno(COLUMN)69(COLUMN)28 Richmond(COLUMN)61(COLUMN)37 St. Louis(COLUMN)63(COLUMN)36 St. Prbg-Tampa(COLUMN)77(COLUMN)59 Salt Lake City(COLUMN)65(COLUMN)35 San Antonio(COLUMN)68(COLUMN)39 San Diego(COLUMN)74(COLUMN)63 San Francisco(COLUMN)78(COLUMN)54 San Juan(COLUMN)89(COLUMN)78 St. Ste. Marie(COLUMN)54(COLUMN)46 Seattle(COLUMN)52(COLUMN)36 Shreveport(COLUMN)63(COLUMN)36 Sioux Falls(COLUMN)73(COLUMN)34 Spokane(COLUMN)55(COLUMN)22 Syracuse(COLUMN)51(COLUMN)29 Topeka(COLUMN)68(COLUMN)47 Tucson(COLUMN)84(COLUMN)57 Tulsa(COLUMN)70(COLUMN)45 Washington(COLUMN)59(COLUMN)39 Wichita(COLUMN)67(COLUMN)46(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)52 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Ankara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)50 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)59 Auckland(COLUMN)pt. cldy.(COLUMN)12 a.m.(COLUMN)54 Berlin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)37 Birmingham(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Bonn(COLUMN)clear(COLUMN)1 p.m.(COLUMN)39 Brussels(COLUMN)clear(COLUMN)1 p.m.(COLUMN)55 Casablanca(COLUMN)clear(COLUMN)noon(COLUMN)70 Copenhagen(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)54 Dublin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)55 Geneva(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)41 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)43 Jerusalem(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)61 Lisbon(COLUMN)cloudy(COLUMN)noon(COLUMN)59 London(COLUMN)haze(COLUMN)1 p.m.(COLUMN)57 Madrid(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)55 Malta(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)64 Manila(COLUMN)pt. cldy.(COLUMN)8 p.m.(COLUMN)81 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)36 New Delhi(COLUMN)pt. cldy.(COLUMN)5 p.m.(COLUMN)70 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Oslo(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)37 Peking(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)45 Rome(COLUMN)clear(COLUMN)1 p.m.(COLUMN)63 Saigon(COLUMN)rain(COLUMN)8 p.m.(COLUMN)70 Sofia(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)32 Stockholm(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)52 Sydney(COLUMN)rain(COLUMN)10 p.m.(COLUMN)64 Tokyo(COLUMN)clear(COLUMN)9 p.m.(COLUMN)55 Tunis(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)66 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)37 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)39(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)fair(COLUMN)88(COLUMN)72 Barbados(COLUMN)fair(COLUMN)86(COLUMN)75 Bermuda(COLUMN)pt. cldy.(COLUMN)79(COLUMN)76 Calgary(COLUMN)snow(COLUMN)36(COLUMN)12 Edmonton(COLUMN)clear(COLUMN)36(COLUMN)10 Havana(COLUMN)cloudy(COLUMN)81(COLUMN)73 Kingston(COLUMN)cloudy(COLUMN)90(COLUMN)77 Montego Bay(COLUMN)fair(COLUMN)88(COLUMN)73 Mexico City(COLUMN)fair(COLUMN)72(COLUMN)46 Monterrey(COLUMN)cloudy(COLUMN)72(COLUMN)50 Montreal(COLUMN)cloudy(COLUMN)45(COLUMN)36 Nassau(COLUMN)pt. cldy.(COLUMN)86(COLUMN)70 Ottawa(COLUMN)cloudy(COLUMN)46(COLUMN)37 Regina(COLUMN)cloudy(COLUMN)57(COLUMN)25 St. Kitts(COLUMN)pt. cldy.(COLUMN)87(COLUMN)75 Toronto(COLUMN)pt. cldy.(COLUMN)50(COLUMN)39 Vancouver(COLUMN)clear(COLUMN)48(COLUMN)32 Vera Cruz(COLUMN)cloudy(COLUMN)85(COLUMN)70 Winnipeg(COLUMN)pt. cldy.(COLUMN)52(COLUMN)23(END TABLE)