Washington: Today - Sunny, high near 80, low near 60. The chance of rain is near zero through tonight. Thursday - Sunny, high near 80.

Maryland and Virginia: Today - Sunny, highs from the 70s to the low 80s, lows in the 50s. Thursday - Sunny, high from the 70s to the low 80s.

Lower Potomac and Chesapeake Bay: Today - Fair, visibility of more than 5 miles. Wind will be from the northwest at less than 17 knots. Waves in unprotected waters will be less than 1 foot.

West Virginia: Today - Sunny, highs from the upper 60s to the mid 70s, lows in the 50s. Thursday - Sunny, highs in the 70s.

Extended Area Forecast for Friday through Sunday: Fair on Friday and Saturday, but a chance of showers on Sunday. Highs will reach the 80s by Sunday. Lows will be in the 60s. Normal Washington temperatures for the period are a high of 78 and a low of 58.

The National Weather Forecast for today - Rain is likely over the northern Atlantic Coast. Showers and thunderstorms will spread over Florida while scattered showers will cover the central plains and northern Rockies. It will be cool across the north and into the central plateau. Mild temperatures will prevail elsewhere, except for warm readings in the desert southwest, eastern Texas and along the Gulf coast.

Almanac Data for today - Sun rises 6:55 a.m., sets 7:07 p.m.; moon rises 3:22 p.m. Tides: high 2:58 a.m. and 3:32 p.m., low 10:09 a.m. and 10:27 p.m. High and low tides at the following locations can be obtained by substracting the hours indicated from the tides above. Annapolis (1 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 52 Ragwood (note: More than 7 is considered undesirable.)

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 44 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 forecast the Potomac River stage a Little Falls should be near 2.8 feet today. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midnight(COLUMN)74(COLUMN)87 1 a.m.(COLUMN)73(COLUMN)92 2 a.m.(COLUMN)72(COLUMN)97 3 a.m.(COLUMN)71(COLUMN)93 4 a.m.(COLUMN)71(COLUMN)90 5 a.m.(COLUMN)71(COLUMN)90 6 a.m.(COLUMN)72(COLUMN)84 7 a.m.(COLUMN)72(COLUMN)84 8 a.m.(COLUMN)73(COLUMN)85 9 a.m.(COLUMN)73(COLUMN)80 10 a.m.(COLUMN)77(COLUMN)70 11 a.m.(COLUMN)99(COLUMN)62 12 noon(COLUMN)85(COLUMN)56 1 p.m.(COLUMN)81(COLUMN)55 2 p.m.(COLUMN)84(COLUMN)49 3 p.m.(COLUMN)86(COLUMN)52 4 p.m.(COLUMN)88(COLUMN)47 5 p.m.(COLUMN)87(COLUMN)47 6 p.m.(COLUMN)86(COLUMN)48 7 p.m.(COLUMN)84(COLUMN)51(END TABLE) Temperatures ending 8 a.m. (EDT) yesterday.(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN) 77(COLUMN)57 Albuquerque(COLUMN) 88(COLUMN)60 Amarlilo(COLUMN) 83(COLUMN)64 Anchorage(COLUMN) 83(COLUMN)64 Ashville(COLUMN) 81(COLUMN)63 Atlanta(COLUMN) 81(COLUMN)64 Atlantic City(COLUMN) 86(COLUMN)72 Austin(COLUMN) 97(COLUMN)67 Baltimore(COLUMN) 92(COLUMN)68 Billings(COLUMN) 72(COLUMN)53 Birmingham(COLUMN) 81(COLUMN)64 Bismarck(COLUMN) 60(COLUMN)45 Boise(COLUMN) 73(COLUMN)49 Boston(COLUMN) 80(COLUMN)56 Brownsville(COLUMN) 97(COLUMN)75 Buffalo(COLUMN) 73(COLUMN)63 Burlington(COLUMN) 73(COLUMN)52 Casper(COLUMN) 77(COLUMN)49 Charleston, S.C.(COLUMN) 89(COLUMN)76 Ch'rl'st'n, W.Va.(COLUMN) 83(COLUMN)66 Charlotte(COLUMN) 87(COLUMN)70 Cheyenne(COLUMN) 73(COLUMN)47 Chicago(COLUMN) 73(COLUMN)52 Cincinnati(COLUMN) 81(COLUMN)57 Cleveland(COLUMN) 77(COLUMN)56 Columbia, S.C.(COLUMN) 88(COLUMN)69 Columbus(COLUMN) 77(COLUMN)60 Dal.-Ft. Worth(COLUMN) 91(COLUMN)54 Dayton(COLUMN) 79(COLUMN)58 Denver(COLUMN) 81(COLUMN)58 Des Moines(COLUMN) 68(COLUMN)46 Detroit(COLUMN) 74(COLUMN)54 Duluth(COLUMN) 53(COLUMN)40 El Paso(COLUMN) 96(COLUMN)68 Fairbanks(COLUMN) 47(COLUMN)38 Fargo(COLUMN) 56(COLUMN)51 Flagstaff(COLUMN) 76(COLUMN)48 Great Falls(COLUMN) 75(COLUMN)54 Hartford(COLUMN) 81(COLUMN)57 Helena(COLUMN) 71(COLUMN)46 Honolulu(COLUMN) 89(COLUMN)77 Houston(COLUMN) 93(COLUMN)68 Indianapolis(COLUMN) 79(COLUMN)59 Jackson, Miss.(COLUMN) 84(COLUMN)65 Jacksonville(COLUMN) 88(COLUMN)71 Juneau(COLUMN) 54(COLUMN)45 Kansas City(COLUMN) 71(COLUMN)53 Las Vegas(COLUMN) 89(COLUMN)68 Little Rock(COLUMN) 84(COLUMN)57 Los Angeles(COLUMN) 76(COLUMN)62 Louisville(COLUMN) 76(COLUMN)58 Memphis(COLUMN) 80(COLUMN)60 Miami Beach(COLUMN) 87(COLUMN)78 Midland-Odessa(COLUMN) 94(COLUMN)64 Milwaukee(COLUMN) 67(COLUMN)51 Mpls.-St. Paul(COLUMN) 61(COLUMN)47 Nashville(COLUMN) 79(COLUMN)60 New Orleans(COLUMN) 90(COLUMN)70 New York(COLUMN) 81(COLUMN)70 Norfolk(COLUMN)92(COLUMN)73 North Platte(COLUMN) 77(COLUMN)51 Okla. City(COLUMN) 83(COLUMN)53 Omaha(COLUMN) 67(COLUMN)48 Orlando(COLUMN) 92(COLUMN)73 Philadelphia(COLUMN) 87(COLUMN)69 Phoenix(COLUMN)101(COLUMN)72 Pittsburgh(COLUMN) 79(COLUMN)60 Portland, Me.(COLUMN) 73(COLUMN)45 Portland, Ore.(COLUMN) 67(COLUMN)55 Providence(COLUMN) 81(COLUMN)57 Releigh(COLUMN) 87(COLUMN)70 Rapid City(COLUMN) 73(COLUMN)50 Reno(COLUMN) 67(COLUMN)47 Richmond(COLUMN) 93(COLUMN)71 St. Louis(COLUMN) 70(COLUMN)52 St. Prbg.-Tampa(COLUMN) 88(COLUMN)74 Salt Lake City(COLUMN) 81(COLUMN)46 San Antonio(COLUMN) 91(COLUMN)65 San Diego(COLUMN) 76(COLUMN)65 San Francisco(COLUMN) 70(COLUMN)61 San Juan(COLUMN) 87(COLUMN)77 St. Ste. Marie(COLUMN) 58(COLUMN)45 Seattle(COLUMN) 66(COLUMN)52 Shreveport(COLUMN) 79(COLUMN)61 Sioux Falls(COLUMN) 60(COLUMN)52 Spokane(COLUMN) 59(COLUMN)45 Syracuse(COLUMN) 74(COLUMN)63 Topeka(COLUMN) 75(COLUMN)60 Tucson(COLUMN) 99(COLUMN)70 Tulsa(COLUMN) 80(COLUMN)53 Washington(COLUMN) 91(COLUMN)71 Wichita(COLUMN) 77(COLUMN)55(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)59 Ankara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)81 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)81 Auckland(COLUMN)clear(COLUMN)midnight(COLUMN)54 Berlin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)57 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)52 Brussels(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)55 Cairo(COLUMN)clear(COLUMN)2 p.m.(COLUMN)90 Casablance(COLUMN)pt. cldy(COLUMN)noon(COLUMN)73 Copenhagen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)59 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Geneva(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)54 Hong Kong(COLUMN)pt. cldy(COLUMN)8 p.m.(COLUMN)84 Lisbon(COLUMN)cloudy(COLUMN)noon(COLUMN)68 Cohenhagen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)59 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Geneva(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)54 Hong Kong(COLUMN)pt. cldy(COLUMN)8 p.m.(COLUMN)54 Lisbon(COLUMN)cloudy(COLUMN)noon(COLUMN)68 London(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)55 Madrid(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)72 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)86 Manila(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)84 Moscow(COLUMN)pt. cldy(COLUMN)3 p.m.(COLUMN)41 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)90 Nice(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)59 Oslo(COLUMN)clear(COLUMN)1 p.m.(COLUMN)66 Paris(COLUMN)clear(COLUMN)1 p.m.(COLUMN)57 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)59 Rome(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)68 Saigon(COLUMN)rain(COLUMN)8 p.m.(COLUMN)77 Sofia(COLUMN)rain(COLUMN)2 p.m.(COLUMN)72 Stockholm(COLUMN)clear(COLUMN)1 p.m.(COLUMN)59 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)55 Tel Aviv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)86 Tokyo(COLUMN)clear(COLUMN)9 p.m.(COLUMN)79 Tunis(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)79 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)55(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)pt. cldy(COLUMN)88(COLUMN)76 Barbados(COLUMN)fair(COLUMN)88(COLUMN)77 Bermuda(COLUMN)fair(COLUMN)87(COLUMN)79 Calgary(COLUMN)pt. cldy(COLUMN)70(COLUMN)48 Culiacan(COLUMN)pt. cldy(COLUMN)95(COLUMN)77 Edmonton(COLUMN)cloudy(COLUMN)66(COLUMN)52 Havana(COLUMN)pt. cldy(COLUMN)90(COLUMN)74 Kingston(COLUMN)fair(COLUMN)86(COLUMN)78 Montego Bay(COLUMN)pt. cldy(COLUMN)90(COLUMN)76 Mexico City(COLUMN)fair(COLUMN)75(COLUMN)54 Monterrey(COLUMN)clear(COLUMN)91(COLUMN)73 Montreal(COLUMN)cloudy(COLUMN)70(COLUMN)45 Nassau(COLUMN)pt. cldy(COLUMN)90(COLUMN)76 Ottawa(COLUMN)rain(COLUMN)66(COLUMN)45 St. Kitts(COLUMN)pt. cldy(COLUMN)90(COLUMN)75 Toronto(COLUMN)rain(COLUMN)64(COLUMN)57 Vancouver(COLUMN)rain(COLUMN)63(COLUMN)54 Veracruz(COLUMN)rain(COLUMN)90(COLUMN)73 Winnipeg(COLUMN)cloudy(COLUMN)54(COLUMN)48(END TABLE)