Washington: Today - Partly cloudy, high near 60, low in the mid 40s. The chance of rain is 20 per cent through tonight. Monday - Cloudy, chance of showers, high in the mid 60s.

Maryland and Virginia: Today - Partly cloudy, highs from the 50s to near 60, lows in the 40s. Monday - Cloudy, chance of rain, highs from the 60s to near 70.

Lower Potomac and Chesapeake Bay: Today - Partly cloudy with visibility of more than 5 miles. Wind will be from the southeast at less than 15 knots. Waves in unprotected waters will be less than 1 feet.

West Virginia: Today - Cloudy, chance of showers, highs from the upper 50s to the mid 60s, lows in the 40s. Monday - showers, highs in the 50s.

Extended Area Forecast for Tuesday through Thursday: Clear through the period. Highs will range from the 30s in the mountains to the 40s elsewhere. Lows will be from the teens to the 20s. Normal Washington temperatures for the period are a high of 54 and a low of 36.

THE NATIONAL WEATHER FORECAST for today - There will be rain over much of Washington state and from the eastern parts of the southern and central Plains through the lower and middle Mississippi Valley. The Ohio Valley and most of the Great Lakes to the Appalachians. Thunderstorms are likely over the portions of the country from the eastern central and southern plains to the middle and lower Mississippi Valley and lower Ohio Valley. Snow will range over much of the northern and central Rockies, the northern plains and upper Mississippi Valley and the western portion of the central Plains. Temperatures will be very cold over the northern Rockies and the extreme western portions of Nebraska and the Dakotas. Mild conditions will prevail from the middle and lower Great Lakes and Ohio Valley to the Appalachians and Georgia and Florida. The remainder of the country will have cool to cold temperatures.

Almanac Data for today - Sun Rises 6:56 a.m., sets 4:51 p.m.; moon rises 2:13 p.m., sets 1:56 a.m. Tides: high 3:39 a.m. and 4:16 p.m., low 10:20 a.m. and 10:52 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), Deal, Md. (4 1/2), Colonial Beach (6), Norfolk (1 1/2), Virginia Beach (1), Solomons Island (6 1/2), Point Lookout (7).

The National Weather Service forecasts the Potomac River stage at Little Falls should be near 3.8 feet today. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 mid.(COLUMN)45(COLUMN)47 1 a.m.(COLUMN)42(COLUMN)51 2 a.m.(COLUMN)43(COLUMN)49 3 a.m.(COLUMN)43(COLUMN)51 4 a.m.(COLUMN)43(COLUMN)51 5 a.m.(COLUMN)43(COLUMN)51 6 a.m.(COLUMN)45(COLUMN)51 7 a.m.(COLUMN)46 49 8 a.m.(COLUMN)46(COLUMN)49 9 a.m.(COLUMN)46(COLUMN)49 10 a.m.(COLUMN)47(COLUMN)48 11 a.m.(COLUMN)48(COLUMN)46 12 noon(COLUMN)51(COLUMN)41 1 p.m.(COLUMN)52(COLUMN)39 2 p.m.(COLUMN)52(COLUMN)39 3 p.m.(COLUMN)51(COLUMN)41 4 p.m.(COLUMN)47(COLUMN)46 5 p.m.(COLUMN)49(COLUMN)42(END TABLE) Temperatures ending 8 a.m. (EST) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)49(COLUMN)36 Albuquerque(COLUMN)65(COLUMN)40 Amarillo(COLUMN)71(COLUMN)38 Anchorage(COLUMN)23(COLUMN)19 Asheville(COLUMN)56(COLUMN)31 Atlanta(COLUMN)62(COLUMN)41 Atlantic City(COLUMN)53(COLUMN)37 Austin(COLUMN)78(COLUMN)60 Baltimore(COLUMN)56(COLUMN)33 Billings(COLUMN)299(COLUMN)13 Birmingham(COLUMN)71(COLUMN)42 Bismarck(COLUMN)33(COLUMN)23 Boise(COLUMN)39(COLUMN)17 Boston(COLUMN)51(COLUMN)42 Brownsville(COLUMN)86(COLUMN)65 Buffalo(COLUMN)42(COLUMN)35 Burlington(COLUMN)44(COLUMN)28 Casper(COLUMN)38(COLUMN)18 Charl'ton, S.C.(COLUMN)64(COLUMN)49 Charl'ton, W. Va.(COLUMN)51(COLUMN)29 Charlotte(COLUMN)62(COLUMN)37 Cheyene(COLUMN)41(COLUMN)16 Chicago(COLUMN)43(COLUMN)30 Cincinnati(COLUMN)47(COLUMN)28 Cleveland(COLUMN)42(COLUMN)27 Columbia, S.C.(COLUMN)42(COLUMN)32 Columbus(COLUMN)42(COLUMN)26 Dal. Ft. Worth(COLUMN)69(COLUMN)61 Dayton(COLUMN)40(COLUMN)30 Denver(COLUMN)49(COLUMN)24 Des Moines(COLUMN)43(COLUMN)40 Detroit(COLUMN)39(COLUMN)25 Duluth(COLUMN)27(COLUMN)21 El Paso(COLUMN)73(COLUMN)49 Fairbanks(COLUMN)14(COLUMN).1 Fargo(COLUMN)30(COLUMN)21 Flagstaff(COLUMN)55(COLUMN)41 Great Falls(COLUMN)25(COLUMN)05 Hartford(COLUMN)52(COLUMN)33 Helena(COLUMN)27(COLUMN)09 Honolulu(COLUMN)83(COLUMN)69 Houston(COLUMN)67(COLUMN)63 Indianapolis(COLUMN)46(COLUMN)34 Jackson, Miss.(COLUMN)67(COLUMN)52 Jacksonville(COLUMN)71(COLUMN)43 Juneau(COLUMN)25(COLUMN)14 Kansas City(COLUMN)48(COLUMN)42 Las Vegas(COLUMN)76(COLUMN)55 Little Rock(COLUMN)56(COLUMN)49 Los Angeles(COLUMN)65(COLUMN)60 Louisville(COLUMN)53(COLUMN)36 Memphis(COLUMN)64(COLUMN)53 Miami Beach(COLUMN)81(COLUMN)72 Midland-Odessa(COLUMN)79(COLUMN)51 Milwaukee(COLUMN)39(COLUMN)26 Mpl.-St. Paul(COLUMN)36(COLUMN)27 Nashville(COLUMN)58(COLUMN)22 New Orleans(COLUMN)64(COLUMN)57 New York(COLUMN)49(COLUMN)41 Norfolk(COLUMN)60(COLUMN)37 North Platte(COLUMN)46(COLUMN)30 Oklahoma City(COLUMN)66(COLUMN)59 Omaha(COLUMN)45(COLUMN)41 Orlando(COLUMN)80(COLUMN)59 Philadelphia(COLUMN)57(COLUMN)32 Phoenix(COLUMN)79(COLUMN)53 Pittsburgh(COLUMN)42(COLUMN)33 Portland, Maine(COLUMN)28(COLUMN)29 Portland, Ore.(COLUMN)38(COLUMN)30 Providence(COLUMN)51(COLUMN)36 Raleigh(COLUMN)60(COLUMN)30 Rapid City(COLUMN)36(COLUMN)25 Reno(COLUMN)55(COLUMN)24 Richmond(COLUMN)61(COLUMN)29 St. Louis(COLUMN)51(COLUMN)41 St. Prbg.-Tampa(COLUMN)78(COLUMN)60 Salt Lake City(COLUMN)47(COLUMN)27 San Antonio(COLUMN)77(COLUMN)63 San Diego(COLUMN)66(COLUMN)64 San Francisco(COLUMN)59(COLUMN)45 San Juan(COLUMN)88(COLUMN)76 St. Ste. Marie(COLUMN)37(COLUMN)28 Seattle(COLUMN)37(COLUMN)29 Shreveport(COLUMN)73(COLUMN)58 Sioux Falls(COLUMN)35(COLUMN)33 Spokane(COLUMN)33(COLUMN)19 Syracuse(COLUMN)45(COLUMN)5 Topeka(COLUMN)54(COLUMN)41 Tucson(COLUMN)77(COLUMN)56 Tulsa(COLUMN)65(COLUMN)54 Washington(COLUMN)57(COLUMN)39 Wichita(COLUMN)61(COLUMN)50(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)48 Amsterdam(COLUMN)rain(COLUMN)1 p.m.(COLUMN)45 Anakara(COLUMN)pt. cldy(COLUMN)3 p.m.(COLUMN)52 Athens(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)66 Auckland(COLUMN)rain(COLUMN)midnight(COLUMN)63 Berlin(COLUMN)rain(COLUMN)1 p.m.(COLUMN)39 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Brussels(COLUMN)clear(COLUMN)1 p.m.(COLUMN)41 Casablanca(COLUMN)cloudy(COLUMN)noon(COLUMN)68 Copenhagen(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)39 Dublin(COLUMN)rain(COLUMN)1 p.m.(COLUMN)45 Geneva(COLUMN)clear(COLUMN)1 p.m.(COLUMN)39 Hong Kong(COLUMN)pt. cldy(COLUMN)8 p.m.(COLUMN)68 Lisbon(COLUMN)Cloudy(COLUMN)noon(COLUMN)52 London(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)45 Malta(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)68 Manila(COLUMN)clear(COLUMN)8 p.m.(COLUMN)79 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)35 New Delhi(COLUMN)pt. cldy(COLUMN)5 p.m.(COLUMN)77 Nice(COLUMN)clear(COLUMN)5 p.m.(COLUMN)59 Oslo(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)28 Paris(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)43 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)33 Rome(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Saigon(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)70 Sofia(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)37 Stockholm(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)28 Sydney(COLUMN)cloudy(COLUMN)10 p.m.(COLUMN)64 Tel Aviv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)77 Tokyo(COLUMN)clear(COLUMN)9 p.m.(COLUMN)59 Tunis(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)63 Vienna(COLUMN)clear(COLUMN)1 p.m.(COLUMN)43 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)39(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)H(COLUMN)L Acapulco(COLUMN)pt. cldy(COLUMN)87(COLUMN)67 Barbados(COLUMN)pt. cldy(COLUMN)86(COLUMN)76 Bermuda(COLUMN)pt. cldy(COLUMN)76(COLUMN)68 Bogota(COLUMN)pt. cldy(COLUMN)68(COLUMN)48 Calgary(COLUMN)snow(COLUMN)21(COLUMN)-2 Culiacan(COLUMN)cloudy(COLUMN)90(COLUMN)60 Edmonton(COLUMN)snow(COLUMN)19(COLUMN)1 Havana(COLUMN)pt.cldy.(COLUMN)83(COLUMN)70 Kingston(COLUMN)cloudy(COLUMN)86(COLUMN)77 Montego Bay(COLUMN)cloudy(COLUMN)86(COLUMN)75 Mexico City(COLUMN)haze(COLUMN)68(COLUMN)50 Monterrey(COLUMN)fair(COLUMN)84(COLUMN)61 Montreal(COLUMN)clear(COLUMN)43(COLUMN)32 Nassau(COLUMN)pt. cldy.(COLUMN)83(COLUMN)73 Ottawa(COLUMN)clear(COLUMN)43(COLUMN)28 Regina(COLUMN)snow(COLUMN)23(COLUMN)3 St. Kitts(COLUMN)pt. cldy.(COLUMN)88(COLUMN)74 St. Thomas(COLUMN)fair(COLUMN)85(COLUMN)76 Toronto(COLUMN)clear(COLUMN)43(COLUMN)32 Vancouver(COLUMN)clear(COLUMN)43(COLUMN)27 Veracruz(COLUMN)cloudy(COLUMN)84(COLUMN)70 Winnipeg(COLUMN)pt. cldy.(COLUMN)28(COLUMN)10(END TABLE)