Washington: Today - Mostly sunny, high in mid to upper 80s, low in mid to upper 60s. Chance of rain near zero today, 10 per cent tonight. Tuesday - Mostly sunny, high in mid to upper 80s.

Maryland and Virginia: Today - Mostly sunny, highs in mid to upper 80s, lows in 60s. Chance of rain in southwest virginia. Tuesday - Mostly sunny, highs in mid to upper 80s with chance of rain in western Maryland and southwestern Virginia.

Lower Potomac and Chesapeake Bay: Today - Fair skies with good visibility through tonight. Winds should be variable at 5 knots or less this morning and less than 8 knots tonight.

Extended Area Outlook: For Wednesday through Friday - Hazy skies with chance of scattered afternoon and evening showers through period. Highs should average in upper 80s, lows in mid to upper 60s through period. Washington's normal temperature range for this time of year is from 87 to 68.

Atlantic Ocean Beaches from Cape May to Cape Hattleras: Today and Tuesday - Mostly sunny, highs near 80. Water temperatures should range from upper 60s in north to upper 70s in south.

West Virginia: Today - Partly cloudy, highs in 80s, lows in upper 50s to mid 60s. Chance of afternoon and evening showers throughout the state Tuesday - party cloudy with chance of afternoon and evening showers, highs in 80s.

The National Weather Forecast for Today - Showers and occasional thunderstorms will extend from northeast Texas and Arkansas across the lower Mississippi Valley through the south Atlantic Coast and from the upper and mid Mississippi Valley across the Great Lakes through the central Appalachians. Showers will dampen northern New England. The rest of the nation will have sunny skies. It will be hot from the Western Great Lakes region and the upper Mississippi Valley across lowa, eastern Nebraska and western Kansas into the Texas Panhandle. It will also be hot over Alabama and portions of Georgia and South Carolina. The rest of the nation will be seasonably warm.

ALMANAC DATA FOR Monday, June 27: Sun rises 5:45 a.m., sets 8:37 p.m.; moon rises 4:50 p.m., sets 2:40 a.m. Tides: High 4:56 a.m. and 5:23 p.m., low 12:05 p.m. and 12:10 a.m. High and low tides at the following locations can be obtained by subtracting the hours indicated from the tides above. Annapolis (31/2); Bloody Point lighthouse (41/2); Deale, Md. (41/2); Colonial Beach (6); Norfolk (11/2); Virginia Beach (1); Solomons Island (61/2); Point Lookout (7).

The National Weather Service forecasts that the Potomac River stage at Little Falls will remain near 2.9 feet throght today. Local Tem., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midn.(COLUMN)74(COLUMN)90 1 a.m.(COLUMN)72(COLUMN)97 2 a.m.(COLUMN)73(COLUMN)93 3 a.m.(COLUMN)72(COLUMN)97 4 a.m.(COLUMN)72(COLUMN)97 5 a.m.(COLUMN)72(COLUMN)93 6 a.m.(COLUMN)73(COLUMN)87 7 a.m.(COLUMN)75(COLUMN)82 8 a.m.(COLUMN)78(COLUMN)74 9 a.m.(COLUMN)80(COLUMN)72 10 a.m.(COLUMN)83(COLUMN)65 11 a.m.(COLUMN)84(COLUMN)63 12 noon(COLUMN)87(COLUMN)56 1 p.m.(COLUMN)88(COLUMN)52 2 p.m.(COLUMN)88(COLUMN)50 3 p.m.(COLUMN)90(COLUMN)43 4 p,m.(COLUMN)91(COLUMN)38 5 p.m.(COLUMN)91(COLUMN)38 6 p.m.(COLUMN)89(COLUMN)42(END TABLE) Temperatures ending 8 a.m. (EDT) yesterday(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)75(COLUMN)63 Albuquerque(COLUMN)91(COLUMN)58 Amarillo(COLUMN)79(COLUMN)63 Anchorage(COLUMN)69(COLUMN)51 Asheville(COLUMN)85(COLUMN)65 Atlanta(COLUMN)92(COLUMN)73 Atlantic City 78(COLUMN)68 Austin(COLUMN)91(COLUMN)74 Baltimore(COLUMN)79(COLUMN)67 Bilings(COLUMN)96(COLUMN)60 Birmingham(COLUMN)96(COLUMN)76 Bisnarck(COLUMN)93(COLUMN)57 Boise(COLUMN)94(COLUMN)57 Boston(COLUMN)81(COLUMN)66 Brownsville(COLUMN)91(COLUMN)77 Buffalo(COLUMN)75(COLUMN)61 Burlington, Vt.(COLUMN)75(COLUMN)67 Casper(COLUMN)93(COLUMN)63 Charleston, S.C.(COLUMN)96(COLUMN)76 Charleston, W. V.(COLUMN)76(COLUMN)69 Charlotte, N.C.(COLUMN)91(COLUMN)68 Cheyenne(COLUMN)81(COLUMN)61 Chicago(COLUMN)87(COLUMN)65 Cincinnati(COLUMN)80(COLUMN)63 Cleveland(COLUMN)82(COLUMN)59 Columbia, S.C.(COLUMN)96(COLUMN)69 Columbus, Ohio(COLUMN)87(COLUMN)60 Dal,Ft. Worth(COLUMN)97(COLUMN)74 Dayton(COLUMN)88(COLUMN)60 Denver(COLUMN)87(COLUMN)61 DesMoines(COLUMN)89(COLUMN)66 Detroit(COLUMN)90(COLUMN)57 Duluth(COLUMN)80(COLUMN)64 El Paso(COLUMN)98(COLUMN)65 Fairbanks(COLUMN)70(COLUMN)54 Fargo(COLUMN)87(COLUMN)66 Flagstaff(COLUMN)84(COLUMN)47 Great Falls(COLUMN)93(COLUMN)56 Hartford(COLUMN)80(COLUMN)68 Helena(COLUMN)89(COLUMN)62 Honolulu(COLUMN)86(COLUMN)74 Houston(COLUMN)95(COLUMN)78 Indianapolis(COLUMN)86(COLUMN)62 Jackson, Miss.(COLUMN)93(COLUMN)78 Jacksonville(COLUMN)96(COLUMN)76 Juneau(COLUMN)61(COLUMN)50 Kansas City(COLUMN)88(COLUMN)67 Las Vegas(COLUMN)107(COLUMN)82 Little Rock(COLUMN)91(COLUMN)69 Los Angeles(COLUMN)79(COLUMN)61 Louisville(COLUMN)93(COLUMN)73 Memphis(COLUMN)94(COLUMN)74 Miami Beach(COLUMN)87(COLUMN)78 Midland(COLUMN)98(COLUMN)67 Milwaukee(COLUMN)79(COLUMN)59 Mpls. St. Paul(COLUMN)86(COLUMN)64 Nashville(COLUMN)87(COLUMN)69 New Orleans(COLUMN)94(COLUMN)77 New York(COLUMN)78 68 Norfolk(COLUMN)83(COLUMN)70 North Platte(COLUMN)87(COLUMN)58 Oklahoma Ciry(COLUMN)88(COLUMN)70 Omaha(COLUMN)88(COLUMN)67 Orlando(COLUMN)94(COLUMN)74 Philadelphia(COLUMN)77 65 Phoenix(COLUMN)108(COLUMN)83 Pittsburgh(COLUMN)81(COLUMN)63 Portland, me.(COLUMN)73(COLUMN)58 Portland, Ore.(COLUMN)76(COLUMN)52 Providence(COLUMN)78(COLUMN)66 Raleigh(COLUMN)91(COLUMN)68 Rapid City(COLUMN)97(COLUMN)71 Reno(COLUMN)98(COLUMN)60 Richmond(COLUMN)83(COLUMN)67 St. Louis(COLUMN)87(COLUMN)71 St. Prbq. Tampa(COLUMN)94(COLUMN)80 Salt Lake City(COLUMN)95(COLUMN)67 San Antonio(COLUMN)90(COLUMN)76 San Diego(COLUMN)68(COLUMN)63 San Francisco(COLUMN)66(COLUMN)52 San Juan, P.R.(COLUMN)88(COLUMN)76 St. Ste. Marie(COLUMN)67(COLUMN)48 Seattle(COLUMN)73(COLUMN)54 Shreveport(COLUMN)93(COLUMN)73 Sioux Falls(COLUMN)91(COLUMN)72 Spokane(COLUMN)84(COLUMN)55 Syracuse(COLUMN)74(COLUMN)59 Topeka(COLUMN)85(COLUMN)66 Tuscon(COLUMN)101(COLUMN)73 Tulsa(COLUMN)88(COLUMN)71 Washington(COLUMN)79(COLUMN)72 Wichita(COLUMN)84(COLUMN)69(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)rain(COLUMN)1 p.m.(COLUMN)59 Amsterdam(COLUMN)drizzle(COLUMN)1 p.m.(COLUMN)57 ANkara(COLUMN)pt. cldy(COLUMN)3 p.m.(COLUMN)77 Athens(COLUMN)pt. cldy(COLUMN)2 p.m.(COLUMN)86 Berlin(COLUMN)Pt. cldy(COLUMN)1 p.m.(COLUMN)68 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)59 Brussels(COLUMN)pt. cldu(COLUMN)1 p.m.(COLUMN)63 Cairo(COLUMN)clear(COLUMN)2 p.m.(COLUMN)95 Casablanca(COLUMN)clear(COLUMN)noon(COLUMN)77 Copenhagen(COLUMN)rain(COLUMN)1 p.m.(COLUMN)64 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Geneva(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)61 Hong Kong(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)82 Lisbon(COLUMN)clear(COLUMN)noon(COLUMN)79 London(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)63 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)86 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)81 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)72 New Delhi(COLUMN)pt. cldy(COLUMN)5 p.m.(COLUMN)90 Nice(COLUMN)pt. clyd.(COLUMN)1 p.m.(COLUMN)73 Oslo(COLUMN)rain(COLUMN)1 p.m.(COLUMN)57 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)64 Peking(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)63 Rome(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)77 Saigon(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)79 Sofia(COLUMN)storm(COLUMN)2 p.m.(COLUMN)68 Stockholm(COLUMN)rain(COLUMN)1 p.m.(COLUMN)63 Tel Aviv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)88 Tokyo(COLUMN)pt.cldy(COLUMN)9 p.m.(COLUMN)72 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)82 Vienna(COLUMN)storm(COLUMN)1 p.m.(COLUMN)72 Warsaw(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)79(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco sunny(COLUMN)91(COLUMN)77 Barbados(COLUMN)pt. cldy(COLUMN)86(COLUMN)79 Bermuda(COLUMN)cloudy(COLUMN)80(COLUMN)76 Bogota(COLUMN)pt. cldy(COLUMN)68(COLUMN)48 Culican(COLUMN)pt. cldy(COLUMN)94(COLUMN)75 Havana(COLUMN)pt. cldy(COLUMN)86(COLUMN)73 Kings*ton(COLUMN)sunny(COLUMN)90(COLUMN)79 Montego Bay(COLUMN)sunny(COLUMN)88(COLUMN)77 Mexico City(COLUMN)haze(COLUMN)75(COLUMN)54 Monterrey(COLUMN)sunny(COLUMN)96(COLUMN)73 Nassau(COLUMN)sunny(COLUMN)90(COLUMN)75 St. Kitts(COLUMN)pt. cldy(COLUMN)88(COLUMN)76 St.Thomas(COLUMN)sunny(COLUMN)89(COLUMN)79 Veracruz(COLUMN)sunny(COLUMN)90(COLUMN)75(END TABLE)