Washington: Today - Partly cloudy and windy, high in mid to upper 50s, low in mid to upper 20s. Chance of precipitation 10 per cent today, near zero tonight. Tuesday - Parity cloudy, high in mid to upper 40s.

Maryland and Virginia: Today - Partly cloudy and windy, high in 40s and 50s, low in 20s. Chance of snow flurries in mountains of Maryland today. Tuesday - Fair, high in 40s and 50s.

Lower Potomac and Chesapeake Bay: Today - Partly cloudy with visibility near 5 miles through tonight. Winds should be westerly at 15 to 30 knots today, gradually decreasing tonight.

Extended Area Outlook: For Wednesday through Friday - Fair Wednesday, chance of precipitation Thursday and Friday. Temperatures should range from Wednesday's high in 40s and low in 30s to Friday's high in 60s to low in 40s. Washington's normal temperature range for this time of year is from 50 to 31.

West Virginia: Today - partly cloudy, high in mid 30s to mid 40s, low mid teens to mid 20s. Chance of snow flurries in north and mountains this morning. Tuesday - Sunny, high in 40s.

The National Weather Forecast for Today - Rain will fall in western New York, Michigan and western Pennsylvania. There will be a chance of snow flurries in the Ohio Valley. Scattered showers will dampen the Pacific northwest and northern California into Montana and Utah. The rest of the nation will have mostly sunny skies. It will be cooler in the Ohio Valley, the mid and south Atlantic Coast states and in the eastern Gulf Coast region. Mild temperatures will continue in New England and the southern half of California into Nevada and Arizona. The rest of the nation will have seasonable temperatures.

ALMANAC DATA FOR Monday, Feb. 28 Sun rises 6:42 a.m., sets 6 p.m.; moon rises 1:13 p.m., sets 2:55 a.m., Tides: High 3:19 a.m. and 3:48 p.m., low 10:21 a.m. and 10:59 p.m. High and low tides at the following points can be obtained by 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 Air Quality Index for yesterday showed the high reading in the Washington area during the 9 to 10 a.m. period was 24 for the pollutant, photochemical oxidants. Index values between 0 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 remain about the same.

The National Weather Service forecasts that the Potomac River Stage at Little Falls will rise to near 4 feet today.

Washington data at 7 p.m. (EST) yesterday: Highest temperature since 7 a.m. yesterday, 74 degrees at 12:47 p.m. Lowest temperature since midnight, 42 degrees at 6:10 a.m. Excess of temperature since Feb. 1, 44 degrees. Deficiency of temperture since Jan. 1, 260 degrees. Record high temperature for today, 82 degrees in 1948. Record low temperature for today, 1 degree in 1934. Relative humidity: Maximum, 100 per cent at 5 p.m.; Minimum, 58 per cent at 1p.m. 24 hour precipitation, .04 inches, deficiency of precipitation since Feb. 1, 1.69 inches. Deficiency of precipitation since Jan. 1, 2.81 inches. Highest observed wind since 7 a.m. 20 miles per hour ffrom the S. S. W. at 9:53 a.m. Peak gust since 7 a.m., 35 miles per hour from the S.S.W. at 12:30 p.m. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 mid.(COLUMN)49(COLUMN)77 1 a.m.(COLUMN)48(COLUMN)80 2 a.m.(COLUMN)47(COLUMN)83 3 a.m.(COLUMN)45(COLUMN)86 4 a.m.(COLUMN)45(COLUMN)89 5 a.m.(COLUMN)44(COLUMN)89 6 a.m.(COLUMN)44(COLUMN)89 7 a.m.(COLUMN)43(COLUMN)93 8 a.m.(COLUMN)50(COLUMN)77 9 a.m.(COLUMN)55(COLUMN)80 10 a.m.(COLUMN)63(COLUMN)70 11 a.m.(COLUMN)68(COLUMN)66 12 noon(COLUMN)72(COLUMN)59 1 p.m.(COLUMN)74(COLUMN)58 2 p.m.(COLUMN)67(COLUMN)68 3 p.m.(COLUMN)66(COLUMN)68 4 p.m.(COLUMN)64(COLUMN)90 5 p.m.(COLUMN)59(COLUMN)100 6 p.m.(COLUMN)59(COLUMN)96(END TABLE) Temperatures ending 7 a.m. (EST) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)41(COLUMN)27 Albuquerque(COLUMN)44(COLUMN)22 Amarillo(COLUMN)41(COLUMN)18 Anchorage(COLUMN)36(COLUMN)26 Asheville(COLUMN)77(COLUMN)50 Atianta(COLUMN)76(COLUMN)58 Atlantic City(COLUMN)62(COLUMN)41 Austin(COLUMN)67(COLUMN)33 Balitmroe(COLUMN)68(COLUMN)40 Billings(COLUMN)42(COLUMN)24 Birmingham(COLUMN)80(COLUMN)49 Bismarck(COLUMN)30(COLUMN)13 Boise(COLUMN)45(COLUMN)29 Brownsville(COLUMN)78(COLUMN)44 Buffalo(COLUMN)37(COLUMN)29 Burlington, Vt.(COLUMN)37(COLUMN)29 Casper(COLUMN)31(COLUMN)5 Charleston.S.C.(COLUMN)71(COLUMN)55 Charleston, W.V.(COLUMN)78 Charlotte N.C.(COLUMN)81(COLUMN)55 Chevenne(COLUMN)32(COLUMN)15 Chicago(COLUMN)34(COLUMN)25 Cindinnati(COLUMN)55(COLUMN)41 Cleveland(COLUMN)41(COLUMN)31 Columbia, S.C.(COLUMN)41(COLUMN)31 Columbia, S.C.(COLUMN)84(COLUMN)60 Columbus, Ohio(COLUMN)50(COLUMN)38 Dal-Ft. Worth(COLUMN)54(COLUMN)29 Devton(COLUMN)49(COLUMN)35 Denver(COLUMN)39(COLUMN)25 Des Moines(COLUMN)34(COLUMN)26 Detroit(COLUMN)37(COLUMN)33 Duluth(COLUMN)24(COLUMN)15 EL Paso(COLUMN)52(COLUMN)26 Fairbanks(COLUMN)23(COLUMN)8 Fargo(COLUMN)26(COLUMN)3 Ftagstaff(COLUMN)39(COLUMN)9 Great Falls(COLUMN)38(COLUMN)38 Hartford(COLUMN)47(COLUMN)31 Helena(COLUMN)37(COLUMN)26 Honolutu(COLUMN)86(COLUMN)73 Houston(COLUMN)70(COLUMN)43 Indianapolis(COLUMN)42(COLUMN)29 Jackson, Miss.(COLUMN)80(COLUMN)53 JUneau(COLUMN)42(COLUMN)39 Kansas City(COLUMN)37(COLUMN)28 Las Vegas(COLUMN)64(COLUMN)39 LIttle Rock(COLUMN)67(COLUMN)32 Los Angeles(COLUMN)70(COLUMN)46 Louisville(COLUMN)75(COLUMN)38 Memphis(COLUMN)77(COLUMN)39 Miami Beach(COLUMN)76(COLUMN)72 Milwaukee(COLUMN)32(COLUMN)25 Mpls. St. Paul(COLUMN)34(COLUMN)21 Nashville(COLUMN)77(COLUMN)42 New York(COLUMN)57(COLUMN)36 Norfolk(COLUMN)78(COLUMN)56 Oklahoma City(COLUMN)45(COLUMN)23 Omaha(COLUMN)40(COLUMN)26 Orlando(COLUMN)83(COLUMN)61 Philadelphia(COLUMN)60(COLUMN)42 Phoenix(COLUMN)67(COLUMN)43 Pittsburgh(COLUMN)51(COLUMN)41 Porland, Me.(COLUMN)40(COLUMN)23 Portland, Ore.(COLUMN)51(COLUMN)45 Providence(COLUMN)47(COLUMN)32 Ratelgh(COLUMN)84(COLUMN)56 Rapid Cith(COLUMN)43(COLUMN)21 Reng(COLUMN)52(COLUMN)25 Richmond(COLUMN)77(COLUMN)53 St. Louis(COLUMN)43(COLUMN)27 St. Prbg. Tampa(COLUMN)81(COLUMN)67 Salt Lake City(COLUMN)42(COLUMN)22 San Antonio(COLUMN)66(COLUMN)28 San Diego(COLUMN)67(COLUMN)50 San Francisco(COLUMN)61(COLUMN)51 San Juan, P.R.(COLUMN)84(COLUMN)73 St. Ste. Marie(COLUMN)23(COLUMN)13 St. Ste. Marie(COLUMN)23(COLUMN)13 Seattle(COLUMN)50(COLUMN)45 Shreveport(COLUMN)69(COLUMN)32 Sioux Falls(COLUMN)30(COLUMN)20 Spokane(COLUMN)43(COLUMN)32 Syracuse(COLUMN)37(COLUMN)34 Tucson(COLUMN)58(COLUMN)33 Tulsa(COLUMN)47(COLUMN)26 Washington(COLUMN)70(COLUMN)42 Wichita(COLUMN)45(COLUMN)18(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)T. Aberdeen(COLUMN)Cloudy(COLUMN)1 p.m.(COLUMN)37 Amsterdam(COLUMN)clear(COLUMN)1 p.m.(COLUMN)37 Athens(COLUMN)pt. Cldy.(COLUMN)2 p.m.(COLUMN)64 Auckland(COLUMN)cloudy(COLUMN)midnt.(COLUMN)64 Berlin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)30 Blimham(COLUMN)pt. cldy,(COLUMN)1 p.m.(COLUMN)37 Brussels(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)34 Cairo(COLUMN)clear(COLUMN)2 p.m.(COLUMN)84 Cassablanca(COLUMN)clear(COLUMN)noon(COLUMN)66 Cnopenhagen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)32 Dublin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)41 Geneva(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)39 Hong Kong(COLUMN)clear(COLUMN)8 p.m.(COLUMN)68 Lisbon(COLUMN)cloudy(COLUMN)noon(COLUMN)61 London(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)41 Madrid(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Malta(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)63 Manila(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)82 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)27 New Delth(COLUMN)5 p.m.(COLUMN)81 Nice(COLUMN)clear(COLUMN)1 p.m.(COLUMN)55 Osio(COLUMN)clear(COLUMN)1 p.m.(COLUMN)36 Paris(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)37 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)41 Rome(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)61 Saigon(COLUMN)pt. cldy.(COLUMN)8 p.m.(COLUMN)81 Sofia(COLUMN)pt. cldy.(COLUMN)2 p.m.(COLUMN)45 Stockholm(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)23 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)70 Tel Aviv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)72 Tokyo(COLUMN)clear(COLUMN)9 p.m!(COLUMN)50 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)68 Vienna(COLUMN)snow(COLUMN)1 p.m.(COLUMN)36 Warsaw(COLUMN)snow(COLUMN)1 p.m.(COLUMN)28(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)clear(COLUMN)88(COLUMN)74 Barpados(COLUMN)cloudy(COLUMN)85(COLUMN)74 Bermuda(COLUMN)haze(COLUMN)72(COLUMN)65 Bogota(COLUMN)cloudy(COLUMN)70(COLUMN)45 Caigary(COLUMN)cloudy(COLUMN)39(COLUMN)21 Culiacan(COLUMN)fair(COLUMN)79(COLUMN)50 Edmonton(COLUMN)clear(COLUMN)32(COLUMN)14 Havana(COLUMN)Cloudy(COLUMN)88(COLUMN)68 Montego Bay(COLUMN)fair(COLUMN)86(COLUMN)70 Mexico City(COLUMN)cloudy(COLUMN)73(COLUMN)42 Montreal(COLUMN)cloudy(COLUMN)34(COLUMN)25 Nassau(COLUMN)cloudy(COLUMN)81(COLUMN)72 Ottawa(COLUMN)Cloudy(COLUMN)32(COLUMN)27 Regina(COLUMN)cloudy(COLUMN)34(COLUMN)18 St. Kitts(COLUMN)cloudy(COLUMN)85(COLUMN)73 St. Thomas(COLUMN)cloudy(COLUMN)85(COLUMN)74 Toronoto(COLUMN)rain(COLUMN)32(COLUMN)28 Vancouver(COLUMN)cloudy(COLUMN)46(COLUMN)39 Veracruz(COLUMN)cloudy(COLUMN)94(COLUMN)67 Winnipes(COLUMN)cloudy(COLUMN)21(COLUMN)6(END TABLE)