Washington: Today - Sunny, high in the mid 30s, low inthe low teens. The chance of precipitation is near zero. Thursday - clear and cold, high in mid 30s.

Maryland and Virginia: Today - Clear and cold throughout the area, except for cloudy, skies in the mountains. Highs will be from the low 20s to the upper 30s, lows from near zero to the low 20s. Thursday - Clear, highs in the mid 30s.

Lower Potomac and Cheasapeake Bay: Today - Fair with visibility of more than 5 miles. Wind will be from the northwest at from 10 to 20 knots today and from the north at from 7 to 12 knots tonight. Waves in ice-free waters will be less than 2 feet.

Extended Area Forecast for Friday through Sunday: Chance of precipitation on Friday, fair on Saturday and Sunday. Highs will be from the upper 30s to the upper 40s, lows from the teens to the mid 20s. Normal Washington temperatures for the period are as hight of 47 and a low of 29.

West Virginia: Today - Variably cloudy, highs from the low 20s to 20s to near 30, lows from - 10 to near 5. Thursday - Sunny, Highs from the mid 20s to the lows 30s.

The National Weather Forecast for today - Snow flurries will linger from the Great Lakes into northern New England. There is a chance of a few showers along the northern Pacific coast. Skies will be cloudy over the upper Mississippi valley, but the remainder of the nation will be clear or partly cloudy. Temperatures will be colder along the Atlantic Coast and warmer in the upper Mississippi Valley, the plains and the central and southern Rockies. Mid weather will continue in the west.

Almanac Data for today - Sun rises 6:59 a.m., sets 5:47 p.m.; moon rises 5:39 a.m., sets 4:34 p.m. Tides: Highs 6:41 a.m. and 7:09 p.m., low 12:55 a.m. and 1:17 p.m. High and low tides at the following points can be obtained buy subtracting the hours indicated from the tides above. Annapolis (3 1/4); Bloody Point Lighthouse (4 1/2); Deale, Md. (4 1/2); Colonial Beach (6); Norfolk (1 1/2); Virginia Beach (1); Solomon's Island (6 1/2); Point Lookout (7).

The Council of government's Air Quality Index for yesterday showed the high reading in the Washington area during the 2 p.m. to 3 p.m. period was 28 for the pollutant, photochemical oxidants. Index values between 24 and 49 indicate fair air quality. When the index exceeds 100 the air becomes harzardous and persons with lung, heart and eye problems should restrict their activity. The forecast for today indicates the air quality will improve.

The National Weather Service forecasts that the potomac River stage at Little Falls will be near 3.9 feet. Local Temp., Humidity(TABLE) 12 m'nite(COLUMN)40(COLUMN)70 1 a.m.(COLUMN)40(COLUMN)70 2 a.m.(COLUMN)44(COLUMN)62 3 a.m.(COLUMN)40(COLUMN)73 4 a.m.(COLUMN)40(COLUMN)79 5 a.m.(COLUMN)43(COLUMN)70 6 a.m.(COLUMN)42(COLUMN)70 7 a.m.(COLUMN)39(COLUMN)62 8 a.m.(COLUMN)37(COLUMN)59 9 a.m.(COLUMN)39(COLUMN)57 10 a.m.(COLUMN)41(COLUMN)45 11 a.m.(COLUMN)41(COLUMN)36 12 noon(COLUMN)41(COLUMN)38 1 p.m.(COLUMN)42(COLUMN)35 2 p.m.(COLUMN)41(COLUMN)34 3 p.m.(COLUMN)42(COLUMN)33 4 p.m.(COLUMN)42(COLUMN)33 5 p.m.(COLUMN)40(COLUMN)34 6 P.m.(COLUMN)38(COLUMN)36 7 p.m.(COLUMN)37(COLUMN)37 Temperatures ending 8 a.m. (EST) yesterday:(END TABLE)(TABLE) City(COLUMN)H Albany(COLUMN)40(COLUMN)25 Albuquerque(COLUMN)55(COLUMN)26 Amarillo(COLUMN)47(COLUMN)29 Anchorage(COLUMN)43(COLUMN)34 Asheville(COLUMN)62(COLUMN)33 Atlantic(COLUMN)66(COLUMN)33 Atlantic City(COLUMN)46(COLUMN)36 Austin(COLUMN)69(COLUMN)45 Baltimore(COLUMN)51(COLUMN)36 Billings(COLUMN)47(COLUMN)30 Birmingham(COLUMN)70(COLUMN)33 Bismarck(COLUMN)21(COLUMN)-1 Boise(COLUMN)49(COLUMN)30 Boston(COLUMN)44(COLUMN)34 Brownsville(COLUMN)77(COLUMN)50 Buffalo(COLUMN)32(COLUMN)19 Burlington(COLUMN)34(COLUMN)25 Casper(COLUMN)29(COLUMN)15 Charleston, S.C.(COLUMN)55(COLUMN)46 Charleston, W.Y.(COLUMN)45(COLUMN)27 Charlotte(COLUMN)61(COLUMN)41 Chevenne(COLUMN)32(COLUMN)12 Chicago(COLUMN)31(COLUMN)12 Cincinnati(COLUMN)35(COLUMN)17 Cleveland(COLUMN)35(COLUMN)14 Columbia, S.C.(COLUMN)68(COLUMN)44 Columbus(COLUMN)33(COLUMN)12 Dal-Ft. Worth(COLUMN)57(COLUMN)36 Dayton(COLUMN)34(COLUMN)8 Denver(COLUMN)36(COLUMN)18 Des Moines(COLUMN)33(COLUMN)6 Detroit(COLUMN)34(COLUMN)12 Duluth(COLUMN)21(COLUMN)-5 El Paso(COLUMN)60(COLUMN)29 Fairbanks(COLUMN)23(COLUMN)5 Fargo(COLUMN)14(COLUMN)-5 Flagstaff(COLUMN)55(COLUMN)26 Great Falls(COLUMN)48(COLUMN)34 Hartford(COLUMN)43(COLUMN)32 Helena(COLUMN)48(COLUMN)24 Honolulu(COLUMN)82(COLUMN)71 Houston(COLUMN)48(COLUMN)48 Indianapolis(COLUMN)33(COLUMN)16 Jackson, Miss(COLUMN)72(COLUMN)41 Jacksonville(COLUMN)58(COLUMN)33 Juneau(COLUMN)46(COLUMN)41 Kansas City(COLUMN)45(COLUMN)14 Las Vegas(COLUMN)74(COLUMN)42 Little Rock(COLUMN)52(COLUMN)27 Los Angeles(COLUMN)87(COLUMN)57 Louisville(COLUMN)42(COLUMN)25 Memphis(COLUMN)27(COLUMN)30 Miami Beach(COLUMN)75(COLUMN)65 Midland-Odessa(COLUMN)57(COLUMN)33 Milwaukee(COLUMN)29(COLUMN)10 Mpls St. paul(COLUMN)26(COLUMN)6 Nashville(COLUMN)61(COLUMN)22 New Orleans(COLUMN)74(COLUMN)47 New York(COLUMN)44(COLUMN)39 Norfolk(COLUMN)55(COLUMN)38 North Platte(COLUMN)37(COLUMN)19 Oklahoma(COLUMN)53(COLUMN)27 Omaha(COLUMN)34(COLUMN)9 Orlando(COLUMN)68(COLUMN)46 Philadelphia(COLUMN)46(COLUMN)33 Phoenix(COLUMN)82(COLUMN)52 Pittsburgh(COLUMN)35(COLUMN)16 portland, Me%H37(COLUMN)22 Portland, Ore(COLUMN)63(COLUMN)35 Providence(COLUMN)45(COLUMN)32 Raleigh(COLUMN)59(COLUMN)33 Rapid City(COLUMN)34(COLUMN)19 Reno(COLUMN)64(COLUMN)25 Richmond(COLUMN)59(COLUMN)36 St. Louis(COLUMN)41(COLUMN)21 St. Prbg Tampa(COLUMN)63(COLUMN)49 Salt Lake City(COLUMN)49(COLUMN)29 San Antonio(COLUMN)74(COLUMN)47 San Diego(COLUMN)74(COLUMN)53 San Francisco(COLUMN)77(COLUMN)51 San Juan(COLUMN)85(COLUMN)71 St. Ste. Marie(COLUMN)17(COLUMN)-8 Seattle(COLUMN)57(COLUMN)42 Shreveport(COLUMN)72(COLUMN)37 Sioux Falls(COLUMN)28(COLUMN)-6 Spokane(COLUMN)47(COLUMN)27 Syracuse(COLUMN)32(COLUMN)17 Tucson(COLUMN)74(COLUMN)43 Tulsa(COLUMN)58(COLUMN)25 Washington(COLUMN)51(COLUMN)38 Witchita(COLUMN)54(COLUMN)22(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)41 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)37 Ankara(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)57 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)61 Auckland(COLUMN)cloudy(COLUMN)midn(COLUMN)66 Berlin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)34 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)36 Brussels(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)43 Cairo(COLUMN)clear(COLUMN)2 p.m.(COLUMN)72 Casablance(COLUMN)cloudy(COLUMN)noon(COLUMN)59 Copenhagen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)34 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)43 Geneva(COLUMN)rain(COLUMN)1 p.m.(COLUMN)39 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)55 Lisbon(COLUMN)pt lcldy(COLUMN)noon(COLUMN)52 London(COLUMN)fog(COLUMN)1 p.m.(COLUMN)37 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)50 Maita(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Manila(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)59 Moscow(COLUMN)pt cldy(COLUMN)3 p.m.(COLUMN)19 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)77 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)55 Oslo(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)25 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)41 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)16 Rome(COLUMN)pt cldy(COLUMN)1 p.m.(COLUMN)55 Saigon(COLUMN)pt cldy(COLUMN)8 p.m.(COLUMN)77 Sofia(COLUMN)pt cldy(COLUMN)2 p.m.(COLUMN)52 Stockholm(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)28 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)73 Tel Aviv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)77 Tokyo(COLUMN)cloudy(COLUMN)9 p.m.(COLUMN)36 Tunis(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)57 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)39 Warsaw(COLUMN)snow(COLUMN)1 p.m.(COLUMN)27(END TABLE) TEmperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)clear(COLUMN)86(COLUMN)69 Barbados(COLUMN)pt cldy(COLUMN)84(COLUMN)75 Bermuda(COLUMN)cloudy(COLUMN)69(COLUMN)63 Bogota(COLUMN)pt cldy(COLUMN)68(COLUMN)49 Calgary(COLUMN)pt cldy(COLUMN)41(COLUMN)20 Edmonton(COLUMN)pt cldy(COLUMN)37(COLUMN)27 Havana(COLUMN)rain(COLUMN)81(COLUMN)68 Mexico City(COLUMN)haze(COLUMN)73(COLUMN)42 Montreal(COLUMN)snow(COLUMN)30(COLUMN)14 Nassau(COLUMN)cloudy(COLUMN)82(COLUMN)66 Ottawa(COLUMN)cloudy(COLUMN)28(COLUMN)9 Regina(COLUMN)cloudy(COLUMN)21(COLUMN)7 St. Kitts(COLUMN)pt cldy(COLUMN)86(COLUMN)73 St. Thomas(COLUMN)pt cldy(COLUMN)83(COLUMN)74 Toronto(COLUMN)snow(COLUMN)28(COLUMN)12 Vancouver(COLUMN)cloudy(COLUMN)50(COLUMN)36 Veracruz(COLUMN)pt cldy(COLUMN)75(COLUMN)62 Winnipeg(COLUMN)clear(COLUMN)5(COLUMN)-18(END TABLE)