Washington: Today - Sunny, high in the mid 50s, low from the upper 20s to the low 30s. The chance of rain is near zero. Friday - Sunny, high in the low mid 50s.

Maryland and Virginia: Today - Sunny, highs from the 40s to the 50s, low from the low 20s to near 30. Friday - Sunny, highs from the low 40s to near 50.

Lower Potomac and Chesapeake Bay: Today - Fair with visibility of more than 5 miles. Wind will be from the northwest at from 20 to 30 knots. Waves in unprotected waters will be from 2 to 4 feet.

West Virginia: Today - Fair, highs from the low 40s to the mid 50s, lows from the upper teens to the mid 20s. Friday - Sunny, highs from the upper 40s to the mid 50s.

Extended Area Forecast for Saturday through Monday: Fair through the period. Highs will be from the upper 50s to the 60s, lows from the 30s to the 40s. Normal Washington temperatures for the period are a high of 59 and a low of 39.

Almanac Data for Today - Sun rises 6:06 a.m., sets 6:24 p.m.; moon rises 8:47 a.m., sets 11:09 p.m. Tides: High 10:55 a.m. and 11:19 p.m., low 5:27 a.m. and 6:02 p.m. High and low tides at the following locations can be obtained by subtracting the hours indicated from the tides above. Annapolis [WORD ILLEGIBLE] 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).

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 21 for the pollutant, photochemical oxidants. Index values between zero 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 be good.

The National Weather Service forecasts that the Potomac River stage at Little Falls will be near 6.5 feet.

Washington data at 7 p.m. (EST) yesterday: Highest temperature since 7 a.m. yesterday, 55 degrees at 4:20 p.m. Lowest temperature since midnight, 37 degrees at 5:30 a.m. Excess of temperature since March 1, 196 degrees. Deficiency of temperature since Jan. 1, 61 degrees. Record high temperature for today, 85 degrees in 1907.Record low temperature for today, 17 degrees in 1885. Relative humidity: Maximum, 51 per cent at 1 a.m.; Minimum, 23 per cent at 5 p.m. Deficiency of precipitation since March 1, 39 inches. Deficiency of precipitation since Jan. 1, 3:30 inches. Highest observed wind since 7 a.m. 25 miles per hour from the northwest at 1:53 p.m. Peak gust since 7 a.m., 44 miles per hour from the northwest at 8:54 a.m. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midn.(COLUMN)38(COLUMN)50 1 a.m.(COLUMN)41(COLUMN)51 2 a.m.(COLUMN)40(COLUMN)48 3 a.m.(COLUMN)39(COLUMN)46 4 a.m.(COLUMN)39(COLUMN)46 5a.m.(COLUMN)38(COLUMN)40 6 a.m.(COLUMN)37(COLUMN)34 8 a.m.(COLUMN)40(COLUMN)31 9 a.m.(COLUMN)42(COLUMN)30 10 a.m.(COLUMN)46(COLUMN)27 11 a.m.(COLUMN)46(COLUMN)16 12 noon(COLUMN)50(COLUMN)27 1 p.m.(COLUMN)52(COLUMN)25 2 p.m.(COLUMN)53(COLUMN)24 3 p.m.(COLUMN)54(COLUMN)24 4 p.m.(COLUMN)54(COLUMN)25 5 p.m.(COLUMN)54(COLUMN)23 6 p.m.(COLUMN)52(COLUMN)25 7 p.m.(COLUMN)51(COLUMN)26 8 p.m.(COLUMN)51(COLUMN)26(END TABLE) Temperatures ending 8 a.m. (EST) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)40(COLUMN)33 Albuquerque(COLUMN)67(COLUMN)35 Amarillo(COLUMN)70(COLUMN)36 Anchorage(COLUMN)31(COLUMN)18 Asheville(COLUMN)49(COLUMN)29 Atlanta(COLUMN)53(COLUMN)31 Atlantic City(COLUMN)49(COLUMN)36 Austin(COLUMN)67(COLUMN)41 Baltimore(COLUMN)51(COLUMN)36 Billings(COLUMN)61(COLUMN)31 Birmingham(COLUMN)56(COLUMN)30 Bismarck(COLUMN)53(COLUMN)13 Boise(COLUMN)70(COLUMN)48 Boston(COLUMN)43(COLUMN)35 Brownsville(COLUMN)71(COLUMN)54 Buffalo(COLUMN)34(COLUMN)23 Burlington(COLUMN)44(COLUMN)28 Casper(COLUMN)54(COLUMN)28 Charleston, S.C.(COLUMN)67(COLUMN)42 Charleston, W. Va.(COLUMN)51(COLUMN)28 Charlotte(COLUMN)56(COLUMN)32 Cheyenne(COLUMN)54(COLUMN)28 Chicago(COLUMN)42(COLUMN)32 Cincinnati(COLUMN)50(COLUMN)23 Cleveland(COLUMN)38(COLUMN)19 Columbia, S.C.(COLUMN)62(COLUMN)34 Columbus(COLUMN)50(COLUMN)24 Dal.-Ft. Worth(COLUMN)65(COLUMN)38 Dayton(COLUMN)49(COLUMN)26 Denver(COLUMN)65(COLUMN)40 Des Moines(COLUMN)54(COLUMN)32 Detroit(COLUMN)40(COLUMN)22 Duluth(COLUMN)44(COLUMN) 7 El Paso(COLUMN)73(COLUMN)42 Fairbanks(COLUMN)15(COLUMN) 4 Fargo(COLUMN)42(COLUMN) 8 Flagstaff(COLUMN)63(COLUMN)23 Great Falls(COLUMN)59(COLUMN)40 Hartford(COLUMN)41(COLUMN)35 Helena(COLUMN)57(COLUMN)26 Honolulu(COLUMN)82(COLUMN)71 Houston(COLUMN)66(COLUMN)50 Indianapolis(COLUMN)45(COLUMN)27 Jackson, Miss.(COLUMN)61(COLUMN)34 Jacksonville(COLUMN)76(COLUMN)41 Juneau(COLUMN)43(COLUMN)31 Kansas City(COLUMN)57(COLUMN)40 Las Vegas(COLUMN)81(COLUMN)46 Little Rock(COLUMN)58(COLUMN)40 Los Angeles(COLUMN)77(COLUMN)56 Louisville(COLUMN)54(COLUMN)29 Memphis(COLUMN)57(COLUMN)37 Miami Beach(COLUMN)92(COLUMN)69 Midland-Odessa(COLUMN)68(COLUMN)36 Milwaukee(COLUMN)43(COLUMN)33 Mpls.-St. Paul(COLUMN)50(COLUMN)18 Nashville(COLUMN)52(COLUMN)26 New Orleans(COLUMN)70(COLUMN)50 New York(COLUMN)47(COLUMN)35 Norfolk(COLUMN)67(COLUMN)41 North Platte(COLUMN)61(COLUMN)23 Oklahoma City(COLUMN)65(COLUMN)37 Omaha(COLUMN)61(COLUMN)34 Orlando(COLUMN)82(COLUMN)50 Philadelphia(COLUMN)51(COLUMN)37 Phoenix(COLUMN)89(COLUMN)56 Pittsburgh(COLUMN)47(COLUMN)27 Portland, Maine(COLUMN)41(COLUMN)20 Portland, Ore.(COLUMN)64(COLUMN)45 Providence(COLUMN)46(COLUMN)36 Raleigh(COLUMN)59(COLUMN)33 Rapid City(COLUMN)59(COLUMN)25 Reno(COLUMN)73(COLUMN)42 Richmond(COLUMN)60(COLUMN)36 St. Louis(COLUMN)51(COLUMN)33 St. Prbg.-Tampa(COLUMN)79(COLUMN)48 Salt Lake City(COLUMN)65(COLUMN)37 San Antonio(COLUMN)69(COLUMN)47 San Diego(COLUMN)64(COLUMN)57 San Francisco(COLUMN)57(COLUMN)48 San Juan(COLUMN)88(COLUMN)72 St. Ste. Marie(COLUMN)34(COLUMN)17 Seattle(COLUMN)59(COLUMN)44 Shreveport(COLUMN)64(COLUMN)34 Sioux Falls(COLUMN)56(COLUMN)22 Spokane(COLUMN)61(COLUMN)39 Syracuse(COLUMN)37(COLUMN)30 Tucson(COLUMN)84(COLUMN)51 Tulsa(COLUMN)66(COLUMN)39 Washington(COLUMN)53(COLUMN)37 Wichita(COLUMN)69(COLUMN)32(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)rain(COLUMN)1 p.m.(COLUMN)41 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Ankara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)64 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)77 Auckland(COLUMN)cloudy(COLUMN)m'night(COLUMN)68 Berlin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)46 Brussels(COLUMN)rain(COLUMN)1 p.m.(COLUMN)45 Cairo(COLUMN)pt. cldy(COLUMN)2 p.m.(COLUMN)79 Casablanca(COLUMN)pt. cloudy(COLUMN)noon(COLUMN)61 Copehnagen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)37 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Geneva(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Hong Kong(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)66 Lisbon(COLUMN)pt. cldy(COLUMN)noon(COLUMN)54 London(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Madrid(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)50 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)66 Manila(COLUMN)clear(COLUMN)8 p.m.(COLUMN)81 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)37 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)95 Nice(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Oslo(COLUMN)clear(COLUMN)1 p.m.(COLUMN)41 Paris(COLUMN)rain(COLUMN)1 p.m.(COLUMN)45 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)34 Rome(COLUMN)clear(COLUMN)1 p.m.(COLUMN)73 Saigon(COLUMN)clear(COLUMN)8 p.m.(COLUMN)86 Sofia(COLUMN)clear(COLUMN)2 p.m.(COLUMN)75 Stockholm(COLUMN)clear(COLUMN)1 p.m.(COLUMN)46 Sydney(COLUMN)pt. cldy(COLUMN)10 p.m.(COLUMN)77 Tel Agiv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)77 Tokyo(COLUMN)rain(COLUMN)9 p.m.(COLUMN)52 Tunis(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)70 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)68 Warsaw(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)50(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)(COLUMN).(COLUMN)Low Acapulco(COLUMN)pt. cldy(COLUMN)88(COLUMN)74 Barbados(COLUMN)sunny(COLUMN)82(COLUMN)73 Bermuda(COLUMN)pt. cldy(COLUMN)69(COLUMN)63 Bogota(COLUMN)pt. cldy(COLUMN)68(COLUMN)42 Calgary(COLUMN)pt. cldy(COLUMN)37(COLUMN)18 Culiacan(COLUMN)fair(COLUMN)86(COLUMN)51 Edmonton(COLUMN)cloudy(COLUMN)23(COLUMN)12 Havana(COLUMN)rain(COLUMN)86(COLUMN)72 Kingston(COLUMN)sunny(COLUMN)86(COLUMN)73 Montego Bay(COLUMN)sunny(COLUMN)82(COLUMN)72 Mexico City(COLUMN)haze(COLUMN)75(COLUMN)52 Monterrey(COLUMN)rain(COLUMN)68(COLUMN)53 Montreal(COLUMN)snow(COLUMN)34(COLUMN)30 Nassau(COLUMN)sunny(COLUMN)88(COLUMN)68 Ottawa(COLUMN)snow(COLUMN)32(COLUMN)25 Regina(COLUMN)cloudy(COLUMN)30(COLUMN)14 St. Kitts(COLUMN)sunny(COLUMN)83(COLUMN)71 St. Thomas(COLUMN)fair(COLUMN)85(COLUMN)75 Toronto(COLUMN)clear(COLUMN)34(COLUMN)18 Vancouver(COLUMN)cloudy(COLUMN)55(COLUMN)43 Veracruz(COLUMN)haze(COLUMN)79(COLUMN)66 Winnipeg(COLUMN)clear(COLUMN)18(COLUMN) 0(END TABLE)