Washington: Today - Sunny, high in the mid 70s, low in the mid 50s. The chance of rain is near zero through tonight. Wind will be from the northeast at from 10 to 15 mph. Tuesday - Cloudy, high near 80.

Maryland and Virginia: Today - Sunny, highs from the mid 60s to the 70s, lows from the 40s to the 50s. Tuesday - Cloudy, chance of rain in western portions of both states, highs in the 70s.

Lower Potomac and Chesapeake Bay: Today - Fair with visibility of more than 5 miles. Wind will be from the northeast at from 10 to 15 knots. Waves is unprotected waters will be from 1 to 2 feet.

Extended Area Forecast for Wednesday through Friday: Partly cloudy with little rain during the period. Highs will be from the upper 70s to the 80s, lows from the mid 50s to the mid 60s. Normal Washington temperatures for the period are a high of 79 and a low of 59.

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

The National Weather Forecast for today - Showers and scattered thundershowers will extend from the central Gulf states and the Tennessee Valley across the lower Mississippi Valley into eastern portions of the lower half of the Plains. Showers will also extend from Washington and Oregon, through Idaho into Montana. Temperatures will be cool from the upper Missourf Valley through the northern Rockies, the upper intermountain area and great Basin to the Pacific Coast, except the southwestern Coast of California. Temperatures will be warm from Florida and Georgia across the Gulf Coast. Temperatures will be seasonably mild elsewhere over the nation.

Almanac Data for today: The sun rises 5:50 a.m., sets 8:20 p.m.; moon rises 8:34 p.m., sets 6:07 a.m. Tides: high 1:48 a.m. and 2:32 p.m., low 7:31 a.m. and 8:02 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 noon to 1 p.m. period was 63 for the pollutant, photochemical oxidants. Index values between 50 and 99 indicate 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 forecast for today indicates that the air quality will deteriorate.

The National Weather Service forecasts the Potomac River stage at Little Falls should be near - feet today. Local Temps., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H 12 midnite(COLUMN)72(COLUMN)66 1 a.m.(COLUMN)71(COLUMN)68 2 a.m.(COLUMN)71(COLUMN)68 3 a.m.(COLUMN)70(COLUMN)61 4 a.m.(COLUMN)69(COLUMN)66 5 a.m.(COLUMN)69(COLUMN)71 6 a.m.(COLUMN)69(COLUMN)73 7 a.m.(COLUMN)69(COLUMN)73 8 a.m.(COLUMN)74(COLUMN)64 9 a.m.(COLUMN)78(COLUMN)58 10 a.m.(COLUMN)80(COLUMN)55 11 a.m.(COLUMN)81(COLUMN)53 12 noon(COLUMN)82(COLUMN)43 1 p.m.(COLUMN)83(COLUMN)40 2 p.m.(COLUMN)84(COLUMN)48 3 p.m.(COLUMN)82(COLUMN)49 4 p.m.(COLUMN)85(COLUMN)40 5 p.m.(COLUMN)84(COLUMN)43 6 p.m.(COLUMN)83(COLUMN)43 7 p.m.(COLUMN)81(COLUMN)41(END TABLE) Temperatures ending 8 a.m. (EDT) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)86(COLUMN)57 Albuquerque(COLUMN)68(COLUMN)45 Amarillo(COLUMN)65(COLUMN)58 Anchorage(COLUMN)62(COLUMN)38 Asheville(COLUMN)85(COLUMN)56 Atlanta(COLUMN)86(COLUMN)62 Atlantic City(COLUMN)76(COLUMN)57 Austin(COLUMN)85(COLUMN)70 Baltimore(COLUMN)88(COLUMN)67 Billings(COLUMN)69(COLUMN)46 Birmingham(COLUMN)86(COLUMN)64 Bismarck(COLUMN)67(COLUMN)42 Boise(COLUMN)78(COLUMN)50 Boston(COLUMN)82(COLUMN)65 Brownsville(COLUMN)91(COLUMN)76 Buffalo(COLUMN)75(COLUMN)47 Burlington(COLUMN)86(COLUMN)56 Casper(COLUMN)68(COLUMN)45 Charleston, S.C.(COLUMN)83(COLUMN)69 Charleston, W.Va.(COLUMN)88(COLUMN)67 Charlotte(COLUMN)87(COLUMN)61 Cheyenne(COLUMN)63(COLUMN)44 Chicago(COLUMN)81(COLUMN)44 Cincinnati(COLUMN)82(COLUMN)57 Cleveland(COLUMN)82(COLUMN)48 Columbia, S.C.(COLUMN)89(COLUMN)64 Columbus, Ohio(COLUMN)84(COLUMN)57 Dal.-Ft. Worth(COLUMN)89(COLUMN)66 Dayton(COLUMN)82(COLUMN)56 Denver(COLUMN)72(COLUMN)51 Des Moines(COLUMN)73(COLUMN)51 Detroit(COLUMN)78(COLUMN)45 Duluth(COLUMN)59(COLUMN)37 El Paso(COLUMN)86(COLUMN)57 Fairbanks(COLUMN)56(COLUMN)36 Fargo(COLUMN)67(COLUMN)45 Flagstaff(COLUMN)75(COLUMN)35 Great Falls(COLUMN)74(COLUMN)51 Hartford(COLUMN)93(COLUMN)63 Helena(COLUMN)74(COLUMN)43 Honolulu(COLUMN)87(COLUMN)76 Houston(COLUMN)86(COLUMN)74 Indianapolis(COLUMN)83(COLUMN)55 Jackson, Miss.(COLUMN)89(COLUMN)66 Jacksonville(COLUMN)83(COLUMN)65 Juneau(COLUMN)55(COLUMN)34 Kansas City(COLUMN)68(COLUMN)55 Las Vegas(COLUMN)98(COLUMN)64 Little Rock(COLUMN)89(COLUMN)66 Los Angeles(COLUMN)77(COLUMN)56 Louisville(COLUMN)81(COLUMN)59 Memphis(COLUMN)89(COLUMN)67 Miami Beach(COLUMN)80(COLUMN)76 Midland-Odessa(COLUMN)71(COLUMN)60 Milwaukee(COLUMN)77(COLUMN)42 Mpls.-St. Paul(COLUMN)69(COLUMN)44 Nashville(COLUMN)86(COLUMN)64 New Orleans(COLUMN)88(COLUMN)64 New York(COLUMN)90(COLUMN)69 Norfolk(COLUMN)88(COLUMN)65 North Platte(COLUMN)71(COLUMN)44 Oklahoma City(COLUMN)81(COLUMN)64 Omaha(COLUMN)71(COLUMN)51 Orlando(COLUMN)88(COLUMN)67 Philadelphia(COLUMN)89(COLUMN)66 Phoenix(COLUMN)98(COLUMN)67 Pittsburgh(COLUMN)85(COLUMN)58 Portland, Maine(COLUMN)72(COLUMN)54 Portland, Ore.(COLUMN)84(COLUMN)49 Providence(COLUMN)87(COLUMN)61 Raleigh(COLUMN)87(COLUMN)63 Rapid City(COLUMN)66(COLUMN)44 Reno(COLUMN)80(COLUMN)40 Richmond(COLUMN)91(COLUMN)67 St. Louis(COLUMN)83(COLUMN)55 St. Prbg.-Tampa(COLUMN)86(COLUMN)69 Salt Lake City(COLUMN)79(COLUMN)53 San Antonio(COLUMN)77(COLUMN)68 San Diego(COLUMN)74(COLUMN)65 San Francisco(COLUMN)58(COLUMN)52 San Juan(COLUMN)88(COLUMN)76 St. Ste. Marie(COLUMN)71(COLUMN)34 Seattle(COLUMN)82(COLUMN)48 Shreveport(COLUMN)91(COLUMN)71 Sioux Falls(COLUMN)69(COLUMN)39 Spokane(COLUMN)76(COLUMN)53 Syracuse(COLUMN)82(COLUMN)54 Topeka(COLUMN)74(COLUMN)53 Tucson(COLUMN)95(COLUMN)62 Tulsa(COLUMN)84(COLUMN)63 Washington(COLUMN)87(COLUMN)68 Wichinta(COLUMN)76(COLUMN)61(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)clear(COLUMN) 1 p.m.(COLUMN) 54 Armsterdam(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 54 Arkara(COLUMN)clear(COLUMN) 3 p.m.(COLUMN) 66 Athens(COLUMN)clear(COLUMN) 2 p.m.(COLUMN) 77 Auckland(COLUMN)cloudy(COLUMN) midnight(COLUMN) 54 Berlin(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN) 68 Birmingham(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 55 Brussels(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 52 Casablanca(COLUMN)pt. cldy(COLUMN) noon(COLUMN) 63 Copenhagen(COLUMN)clear(COLUMN) 1 p.m.(COLUMN) 70 Dublin(COLUMN)clear(COLUMN) 1 p.m.(COLUMN) 59 Geneva(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 61 Hong Kong(COLUMN)rain(COLUMN) 8 p.m.(COLUMN) 73 Jerusalem(COLUMN)clear(COLUMN) 2 p.m.(COLUMN) 75 Lisbon(COLUMN)pt. cldy(COLUMN) noon(COLUMN) 63 London(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 55 Madrid(COLUMN)rain(COLUMN) 1 p.m.(COLUMN) 48 Malta(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 75 Manila(COLUMN)rain(COLUMN) 8 p.m.(COLUMN) 68 Moscow(COLUMN)clear(COLUMN) 3 p.m.(COLUMN) 63 New Delhi(COLUMN)clear(COLUMN) 5 p.m.(COLUMN)109 Nice(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 68 Oslo(COLUMN)clear(COLUMN) 1 p.m.(COLUMN) 70 Paris(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 54 Peking(COLUMN)rain(COLUMN) 8 p.m.(COLUMN) 72 Rome(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 79 Saigon(COLUMN)pt. cldy(COLUMN) 8 p.m.(COLUMN) 81 Sofia(COLUMN)pt. cldy(COLUMN) 2 p.m.(COLUMN) 68 Stockholm(COLUMN)clear(COLUMN) 1 p.m.(COLUMN) 73 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN) 59 Tokyo(COLUMN)cloudy(COLUMN) 9 p.m.(COLUMN) 72 Tunis(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 70 Vienna(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN) 68 Warsaw(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN) 75(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acaoulco(COLUMN)sunny(COLUMN)86(COLUMN)73 Barbados(COLUMN)cloudy(COLUMN)86(COLUMN)78 Bermuda(COLUMN)pt. cldy(COLUMN)77(COLUMN)69 Havana(COLUMN)fair(COLUMN)84(COLUMN)73 Kingston(COLUMN)cloudy(COLUMN)90(COLUMN)78 Mexico City(COLUMN)haze(COLUMN)81(COLUMN)58 Monterrey(COLUMN)pt. cldy(COLUMN)88(COLUMN)73 Nassau(COLUMN)pt. cldy(COLUMN)86(COLUMN)70 St. Kitts(COLUMN)cloudy(COLUMN)89(COLUMN)73 Veracruz(COLUMN)pt. cldy(COLUMN)90(COLUMN)76(END TABLE)