Washington: Today - Rain ending this morning, partly cloudy by this afternoon, highs in the low 50s, low in the mid 20s. The chance of precipitation is 60 per cent today and 10 per cent tonight. Monday - Sunny, high near 40.

Maryland and Virginia: Today - Rain ending by this afternoon, partly cloudy for the remainder of the day, highs from the upper 30s to the 50s, lows from the teens to the low 30s. Monday - Sunny, highs from the 20s to near 40.

Lower Potomac and Chesapeake Bay: Today - Rain ending by this afternoon, partly cloudy for the remainder of the day. Wind will be from the west at from 20 to 30 knots today, possibly shifting to from the northwest tonight. Visibility will be more than 5 miles, except in rain. Waves in unprotected waters will be near 3 feet.

Extended Area Forecast for Tuesday: Fair through the period, but a chance of rain by Wednesday night and on Thursday. Highs will be from the 30s to the 40s, lows from the teens of the 20s. Normal Washington temperatures for the period are high of 43 and a low of 28.

West Virginia: Today - Rain ending this morning, snow flurries this afternoon, highs in the 30s, lows in the teens. Monday - Sunny, highs in the 30s.

Almanac Data for today - Sun rises 7:25 a.m., sets 4:52 p.m.; moon rises 5:26 p.m., sets 7:08 a.m.

Tides: High 7:59 a.m. and 8:15 p.m., low 2:27 a.m. and 2:34 p.m. High and low tides at the following locations may be obtained by subtracting the hours indicated from the tides above: Annapolis (1 1/2), Bloody Point Lighthouse (4 1/2), Deale, Md. (4 1/2), Colonia Beach (6), Norfolk (1 1/2), Virginia Beach (1), Solomons Island (6 1/2), Point Lockout (7).

The Council of Governments, Air Quality Index for yesterday showed the high reading in the Washington period was 15 for the polluttant, sulfur dioxide. Index values, between zero and 24 indicate good 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 be good.

The National Weather Service forecasts the Potomac River stage at Little Falls should be near 5.1 feet today. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midnight(COLUMN)43(COLUMN)55 1 a.m.(COLUMN)41(COLUMN)62 2 a.m.(COLUMN)40(COLUMN)60 3 a.m.(COLUMN)38(COLUMN)73 4 a.m.(COLUMN)37(COLUMN)72 5 a.m.(COLUMN)34(COLUMN)73 6 a.m.(COLUMN)36(COLUMN)79 7 a.m.(COLUMN)34(COLUMN)85 8 a.m.(COLUMN)34(COLUMN)82 9 a.m.(COLUMN)42(COLUMN)68 10 a.m.(COLUMN)45(COLUMN)60 11 a.m.(COLUMN)48(COLUMN)54 12 noon(COLUMN)48(COLUMN)54 1 p.m.(COLUMN)52(COLUMN)50 2 p.m.(COLUMN)56(COLUMN)45 3 p.m.(COLUMN)54(COLUMN)45 4 p.m.(COLUMN)52(COLUMN)59 5 p.m.(COLUMN)53(COLUMN)55 6 p.m.(COLUMN)49(COLUMN)63(END TABLE) Temperatures ending 8 a.m. (EST) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)37(COLUMN) 27 Albuquerque(COLUMN)54(COLUMN) 39 Amarillo(COLUMN)64(COLUMN) 53 Anchorage(COLUMN)38(COLUMN) 30 Asheville(COLUMN)51(COLUMN) 40 Atlanta(COLUMN)50(COLUMN) 45 Atlantic City(COLUMN)44(COLUMN) 37 Austin(COLUMN)71(COLUMN) 50 Baltimore(COLUMN)47(COLUMN) 29 Billings(COLUMN)26(COLUMN) 8 Birmingham(COLUMN)53(COLUMN) 52 Bismarck(COLUMN)21(COLUMN) 4 Boise(COLUMN)41(COLUMN) 36 Boston(COLUMN)46(COLUMN) 39 Brownsville(COLUMN)77(COLUMN) 61 Buffalo(COLUMN)41(COLUMN) 35 Burlington(COLUMN)35(COLUMN) 32 Casper(COLUMN)41(COLUMN) 10 Charleston, S.C.(COLUMN)50(COLUMN) 44 Charleston, WVa.(COLUMN)49(COLUMN) 40 Charlotte(COLUMN)47(COLUMN) 44 Cheyenne(COLUMN)46(COLUMN) 35 Chicago(COLUMN)35(COLUMN) 23 Cincinnati(COLUMN)44(COLUMN) 29 Cleveland(COLUMN)45(COLUMN) 28 Columbia, S.C.(COLUMN)50(COLUMN) 40 Columbus(COLUMN)45(COLUMN) 29 Dal.-Ft. Worth(COLUMN)63(COLUMN) 48 Dayton(COLUMN)47(COLUMN) 31 Denver(COLUMN)60(COLUMN) 37 Des Moines(COLUMN)32(COLUMN) 27 Detroit(COLUMN)39(COLUMN) 22 Duluth(COLUMN)17(COLUMN) 10 El Paso(COLUMN)64(COLUMN) 50 Fairbanks(COLUMN)19(COLUMN) 15 Fargo(COLUMN)11(COLUMN) 5 Flagstaff(COLUMN)47(COLUMN) 27 Great Falls(COLUMN)19(COLUMN) -07 Hartford(COLUMN)39(COLUMN) 25 Helena(COLUMN)33(COLUMN) -4 Honolulu(COLUMN)80(COLUMN) 70 Houston(COLUMN)72(COLUMN) 60 Indianapolis(COLUMN)47(COLUMN) 30 Jackson, Miss.(COLUMN)61(COLUMN) 57 Jacksonville(COLUMN)58(COLUMN) 40 Juneau(COLUMN)19(COLUMN) 6 Kansas City(COLUMN)49(COLUMN) 36 Las Vegas(COLUMN)65(COLUMN) 41 Little Rock(COLUMN)58(COLUMN) 42 Los Angeles(COLUMN)65(COLUMN) 57 Louisville(COLUMN)51(COLUMN) 32 Memphis(COLUMN)58(COLUMN) 46 Miami Beach(COLUMN)69(COLUMN) 59 Midland-Odessa(COLUMN)75(COLUMN) 51 Milwaukee(COLUMN)32(COLUMN) 19 Mpls-St. Paul(COLUMN)25(COLUMN) 19 Nashville(COLUMN)56(COLUMN) 48 New Orleans(COLUMN)67(COLUMN) 61 New York(COLUMN)49(COLUMN) 38 Norfolk(COLUMN)50(COLUMN) 40 North Platte(COLUMN)54(COLUMN) 23 Oklahoma City(COLUMN)65(COLUMN) 40 Omaha(COLUMN)40(COLUMN) 30 Orlando(COLUMN)67(COLUMN) 45 Philadelphia(COLUMN)45(COLUMN) 30 Phoenix(COLUMN)64(COLUMN) 53 Pittsburgh(COLUMN)47(COLUMN) 34 Portland, Maine(COLUMN)40(COLUMN) 28 Portland, Ore.(COLUMN)40(COLUMN) 37 Providence(COLUMN)44(COLUMN) 35 Raleigh(COLUMN)50(COLUMN) 39 Rapid City(COLUMN)38(COLUMN) 13 Reno(COLUMN)50(COLUMN) 27 Richmond(COLUMN)52(COLUMN) 33 St. Louis(COLUMN)53(COLUMN) 33 St. Prbg-Tampa(COLUMN)58(COLUMN) 41 Salt Lake City(COLUMN)48(COLUMN) 36 San Antonio(COLUMN)67(COLUMN) 43 San Diego(COLUMN)65(COLUMN) 60 San Francisco(COLUMN)64(COLUMN) 52 San Juan(COLUMN)86(COLUMN) 73 St. Ste. Marie(COLUMN)32(COLUMN) 22 Seattle(COLUMN)44(COLUMN) 40 Shreveport(COLUMN)66(COLUMN) 51 Sioux Falls(COLUMN)26(COLUMN) 15 Spokane(COLUMN)29(COLUMN)zero Syracuse(COLUMN)40(COLUMN) 30 Topeka(COLUMN)52(COLUMN) 37 Tucson(COLUMN)61(COLUMN) 40 Tulsa(COLUMN)61(COLUMN) 40 Washington(COLUMN)49(COLUMN) 34 Wichita(COLUMN)57(COLUMN) 35(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)pt. cldy.(COLUMN) 1 p.m.(COLUMN)45 Amsterdam(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)50 Ankara(COLUMN)pt. cldy(COLUMN) 3 p.m.(COLUMN)34 Athens(COLUMN)clear(COLUMN) 2 p.m.(COLUMN)54 Auckland(COLUMN)pt. cldy.(COLUMN)midnight(COLUMN)59 Berlin(COLUMN)rain(COLUMN) 2 p.m.(COLUMN)54 Birmingh'm(COLUMN)pt. cldy.(COLUMN) 1 p.m.(COLUMN)52 Brussels(COLUMN)pt. cldy.(COLUMN) 1 p.m.(COLUMN)52 Casablanca(COLUMN)clear(COLUMN)noon(COLUMN)66 Copenhagen(COLUMN)rain(COLUMN) 1 p.m.(COLUMN)48 Dublin(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)48 Geneva(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)52 Hong Hong(COLUMN)cloudy(COLUMN) 8 p.m.(COLUMN)68 Lisbon(COLUMN)pt. cldy.(COLUMN) noon(COLUMN)61 London(COLUMN)rain(COLUMN) 1 p.m.(COLUMN)52 Madrid(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)54 Malta(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)61 Manila(COLUMN)clear(COLUMN) 8 p.m.(COLUMN)79 Moscow(COLUMN)snow(COLUMN) 3 p.m.(COLUMN)14 New Delhi(COLUMN)pt. cldy.(COLUMN) 5 p.m.(COLUMN)70 Nice(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)54 Oslo(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)37 Paris(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)54 Peking(COLUMN)clear(COLUMN) 8 p.m.(COLUMN)23 Rome(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)57 Saigon(COLUMN)pt. cldy.(COLUMN) 8 p.m.(COLUMN)82 Sofia(COLUMN)pt. cldy.(COLUMN) 2 p.m.(COLUMN)27 Stockholm(COLUMN)rain(COLUMN) 1 p.m.(COLUMN)37 Sydney(COLUMN)pt. cldy.(COLUMN)10 p.m.(COLUMN)73 Tel Aviv(COLUMN)clear(COLUMN) 2 p.m.(COLUMN)59 Tokyo(COLUMN)cloudy(COLUMN) 9 p.m.(COLUMN)45 Tunis(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)59 Vienna(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)30 Warsaw(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)39(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)clear(COLUMN)88(COLUMN) 70 Barbados(COLUMN)rain(COLUMN)85(COLUMN) 77 Bermuda(COLUMN)fair(COLUMN)71(COLUMN) 59 Calgary(COLUMN)clear(COLUMN)14(COLUMN)-11 Edmonton(COLUMN)clear(COLUMN) 9(COLUMN) -2 Havana(COLUMN)pt. cldy.(COLUMN)70(COLUMN) 63 Kingston(COLUMN)pt. cldy.(COLUMN)86(COLUMN) 73 Montego Bay(COLUMN)clear(COLUMN)83(COLUMN) 73 Mexico City(COLUMN)haze(COLUMN)74(COLUMN) 41 Monterrey(COLUMN)pt. cldy.(COLUMN)81(COLUMN) 50 Montreal(COLUMN)cloudy(COLUMN)36(COLUMN) 28 Nassau(COLUMN)clear(COLUMN)74(COLUMN) 52 Ottawa(COLUMN)cloudy(COLUMN)36(COLUMN) 28 Regina(COLUMN)snow(COLUMN) 7(COLUMN) -9 St. Kitts(COLUMN)rain(COLUMN)83(COLUMN) 73 St. Thomas(COLUMN)fair(COLUMN)85(COLUMN) 73 Toronto(COLUMN)cloudy(COLUMN)37(COLUMN) 23 Veracruz(COLUMN)fair(COLUMN)79(COLUMN) 54 Winnipeg(COLUMN)clear(COLUMN) 7(COLUMN) -8(END TABLE)