Washington: Today - Sunny, high in the mid 60s, low near 40. The chance of rain is near zero through tonight. Wind will be from the north at 10 to 15 mph. Monday - Sunny, high in the mid 60s.

Maryland and Virginia: Today - Sunny, highs from the 50s to the mid 60s, lows from tht upper 20s to the 30s. Monday - Partly cloudy, highs from the 50s to the mid 60s.

Lower Potomac and Chesapeake Bay: Today - Fair with visibility of more than 5 miles. Wind will be from the north at from 10 to 15 knots. Waves in unprotected waters will be near 1 foot.

West Virginia: Today - Sunny, highs in the 50s, lows from the mid 20s to hte mid 30s. Monday - Partly cloudy, highs from the low 50s to the mid 60s.

Extended area Forecast for Tuesday through Thursday: Chance of rain on Tuesday night or Wednesday, fair through the remainder of the period. Highs will be from the upper 60s to the mid 70s, lows from the 40s to the low 50s. Normal Washington temperatures for the period are a high of 69 and a low of 27.

The National Weather Forecast for today - Scattered showers will reach from northern and central California through the Pacific Northwest and eastward across the Rockies as well as through the northern Great orthern Great Plains and the upper Mississippi Valley. Rain will mix with thundershowers over the central Plains, Oklahoma and Missouri. There is a chance of scattered showers and thundershowers on southern Florida and southern Texas. Most of the rest of the country will have sunny or partly cloudy skies. Except for mild temperatures over the Gulf Coast and Georgia, the nation will have seasonably cool temperatures.

Almanac Data for today: The sun rises 5:31 a.m., sets 6:46 p.m.; moon rises 12:26 p.m., sets 1:40 a.m. Tides: high 2.00 a.m. and 2:26 p.m., low 9:11 a.m. and 9:43 p.m. High and low tides at the following locations may be obtained by subtracting the hours indicated from the hours above: Annapolis (3 1/4). Bloody Point Lighthouse (4 1/2) Deale, Md. (4 1/2), Colonial Beacg (5 1/4), Norfolk (1), Virginia Beach (3 1/4), Solomons Island (6 1/4), Point Lockout (7).

The Council of Governments' Air Quality Index for yesterday showed the high reading in the Washington area during the 9 a.m. to 10 a.m. period was 29 for the pollutant photochemical oxidants. Index values between 25 and 49 indicate fair 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 indicated that the air quality will be fair.

The National Weather Service forecasts the Potomac River stage at Little Falls should be near 4.1 feet today. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 Mid.(COLUMN)54(COLUMN)32 1 a.m.(COLUMN)51(COLUMN)36 2 a.m.(COLUMN)50(COLUMN)37 3 a.m.(COLUMN)49(COLUMN)39 4 a.m.(COLUMN)48(COLUMN)40 5 a.m.(COLUMN)46(COLUMN)45 6 a.m.(COLUMN)45(COLUMN)49 7 a.m.(COLUMN)49(COLUMN)42 8 a.m.(COLUMN)53(COLUMN)38 9 a.m.(COLUMN)56(COLUMN)31 10 a.m.(COLUMN)59(COLUMN)28 11 a.m.(COLUMN)60(COLUMN)22 12 noon(COLUMN)61(COLUMN)26 1 p.m.(COLUMN)61(COLUMN)26 2 p.m.(COLUMN)63(COLUMN)24 3 p.m.(COLUMN)64(COLUMN)24 4 p.m.(COLUMN)65(COLUMN)22 5 p.m.(COLUMN)64(COLUMN)22 6 p.m.(COLUMN)62(COLUMN)23(END TABLE) Temperatures ending 7 p.m. (EST) yesterday(TABLE) City(COLUMN)L.(COLUMN)H. Albany(COLUMN)32(COLUMN)45 Albuquerque(COLUMN)69(COLUMN)79 Amarillo(COLUMN)47(COLUMN)79 Anchorage(COLUMN)37(COLUMN)44 Asheville(COLUMN)35(COLUMN)73 Atlanta(COLUMN)43(COLUMN)80 Atlantic City(COLUMN)40(COLUMN)58 Austin(COLUMN)62(COLUMN)82 Baltimore(COLUMN)34(COLUMN)62 Billings(COLUMN)39(COLUMN)47 Birmingham(COLUMN)46(COLUMN)83 Bismarck(COLUMN)38(COLUMN)50 Boise(COLUMN)48(COLUMN)60 Boston(COLUMN)39(COLUMN)49 Brownsville(COLUMN)63(COLUMN)82 Buffalo(COLUMN)33(COLUMN)38 Burlington(COLUMN)32(COLUMN)41 Casper(COLUMN)34(COLUMN)59 Charlton, S.C.(COLUMN)56(COLUMN)76 Chileston, WVa(COLUMN)47(COLUMN)65 Charlott(COLUMN)45(COLUMN)80 Chelenne(COLUMN)37(COLUMN)46 Chicago(COLUMN)37(COLUMN)50 Cincinnati(COLUMN)30(COLUMN)64 Cleveland(COLUMN)30(COLUMN)49 Columbia, S.C.(COLUMN)45(COLUMN)82 Columbus, O.(COLUMN)34(COLUMN)56 Dal.-Ft. Worth(COLUMN)54(COLUMN)87 Dayton(COLUMN)35(COLUMN)58 Denver(COLUMN)40(COLUMN)56 Des Moines(COLUMN)39(COLUMN)59 Detroit(COLUMN)23(COLUMN)50 Duluth(COLUMN)17(COLUMN)48 El Paso(COLUMN)53(COLUMN)83 Fairbanks(COLUMN)34(COLUMN)37 Fargo(COLUMN)29(COLUMN)52 Flagstaff(COLUMN)28(COLUMN)52 Great Falls(COLUMN)32(COLUMN)50 Hartford(COLUMN)35(COLUMN)51 Helena(COLUMN)39(COLUMN)59 Honolulu(COLUMN)71(COLUMN)83 Houston(COLUMN)76(COLUMN)84 Indianapolis(COLUMN)45(COLUMN)63 Jackson, Miss.(COLUMN)45(COLUMN)83 Jacksonville(COLUMN)50(COLUMN)80 Juneau(COLUMN)25(COLUMN)49 Kansas City(COLUMN)46(COLUMN)51 Las Vegas(COLUMN)54(COLUMN)76 Little Rock(COLUMN)56(COLUMN)83 Los Angeles(COLUMN)56(COLUMN)61 Lousiville(COLUMN)51(COLUMN)67 Memphis(COLUMN)53(COLUMN)81 Miami Beach(COLUMN)72(COLUMN)81 Midland-Odessa(COLUMN)54(COLUMN)90 Milwaukee(COLUMN)31(COLUMN)48 Mpls.-St. Paul(COLUMN)32(COLUMN)56 Nashville(COLUMN)46(COLUMN)73 New Orleans(COLUMN)54(COLUMN)83 New York(COLUMN)41(COLUMN)52 Norfolk(COLUMN)45(COLUMN)71 North Platte(COLUMN)40(COLUMN)42 Okla, City(COLUMN)62(COLUMN)82 Omaha(COLUMN)42(COLUMN)51 Orlando(COLUMN)63(COLUMN)84 Philadephia(COLUMN)35(COLUMN)58 Phonenix(COLUMN)57(COLUMN)87 Pittsburgh(COLUMN)34(COLUMN)54 Portland, Me.(COLUMN)28(COLUMN)50 Portland, Ore.(COLUMN)44(COLUMN)53 Providence(COLUMN)35(COLUMN)50 Raleigh(COLUMN)43(COLUMN)75 Rapid City(COLUMN)39(COLUMN)43 Reno(COLUMN)40(COLUMN)52 Richmond(COLUMN)38(COLUMN)73 St. Louis(COLUMN)49(COLUMN)60 St. Pang-Tam(COLUMN)66(COLUMN)85 Salt Lake City(COLUMN)45(COLUMN)68 San Antonio(COLUMN)63(COLUMN)81 San Diego(COLUMN)61(COLUMN)70 San Francisco(COLUMN)49(COLUMN)53 San Juan(COLUMN)73(COLUMN)87 St. Ste Marie(COLUMN)29(COLUMN)38 Seattle(COLUMN)44(COLUMN)61 Shereveport(COLUMN)48(COLUMN)83 Spokane(COLUMN)39(COLUMN)59 Syracuse(COLUMN)29(COLUMN)42 Todeka(COLUMN)47(COLUMN)54 Tucson(COLUMN)51(COLUMN)83 Tulsa(COLUMN)61(COLUMN)82 Washington(COLUMN)44(COLUMN)65 Wichitta(COLUMN)52(COLUMN)76(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)46 Arnsterdam(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)45 Ankara(COLUMN)pt. cloudy(COLUMN)3 p.m.(COLUMN)66 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)68 Auckland(COLUMN)rain(COLUMN)midnight(COLUMN)66 Berlin(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)46 Birmingham(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)45 Brussels(COLUMN)pt. Cldy(COLUMN)1 p.m.(COLUMN)43 Cairo(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)88 Casablanca(COLUMN)cloudy(COLUMN)noon(COLUMN)63 Cooenhagen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)46 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Geneva(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Hong Kong(COLUMN)rain(COLUMN)8 p.m.(COLUMN)73 Lisbon(COLUMN)cloudy(COLUMN)noon(COLUMN)61 London(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)45 Madrid(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Malta(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)66 Manila(COLUMN)clear(COLUMN)8 p.m.(COLUMN)84 Moscow(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)57 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)102 Nice(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)55 Oslo(COLUMN)clear(COLUMN)1 p.m.(COLUMN)48 Paris(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)45 Peking(COLUMN)dust(COLUMN)8 p.m.(COLUMN)52 Rome(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Saigon(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)84 Sofia(COLUMN)pt. cldy.(COLUMN)2 p.m.(COLUMN)63 Stockholm(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)48 Sydney(COLUMN)rain(COLUMN)10 p.m.(COLUMN)61 Tel Aviv(COLUMN)pt. cldy.(COLUMN)2 p.m.(COLUMN)80 Tokyo(COLUMN)cloudy(COLUMN)9 p.m.(COLUMN)66 Tunis(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)57 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)45 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)39(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)fair(COLUMN)88(COLUMN)75 Bermuda(COLUMN)pt. cldy(COLUMN)74(COLUMN)62 Calgary(COLUMN)snow(COLUMN)30(COLUMN)25 Edmonton(COLUMN)cloudy(COLUMN)36(COLUMN)27 Havana(COLUMN)cloudy(COLUMN)85(COLUMN)73 Montego Bay(COLUMN)fair(COLUMN)86(COLUMN)73 Mexico City(COLUMN)haze(COLUMN)81(COLUMN)59 Monterrey(COLUMN)fair(COLUMN)86(COLUMN)62 Montreal(COLUMN)clear(COLUMN)46(COLUMN)22 Nassau(COLUMN)cloudy(COLUMN)86(COLUMN)69 Ottawa(COLUMN)pt. cldy(COLUMN)43(COLUMN)30 Regina(COLUMN)pt. cldy(COLUMN)48(COLUMN)28 St. Kitts(COLUMN)fair(COLUMN)86(COLUMN)77 St. Thomas(COLUMN)pt. cldy(COLUMN)86(COLUMN)77 Toronto(COLUMN)clear(COLUMN)43(COLUMN)28 Vancouver(COLUMN)rain(COLUMN)52(COLUMN)43 Veracruz(COLUMN)fair(COLUMN)82(COLUMN)68 Winning(COLUMN)clear(COLUMN)43(COLUMN)25(END TABLE)