Washington: Today - Rain possible, high near 70, low near 50. The chance of rain is 40 percent today and 10 percent tonight. Wind will be from the southwest at from 5 to 15 mph. Saturday - Partly sunny, high in low 70s.

Maryland and Virginia: Today - Rain possible, highs from the 60s to the low 70s, low from the upper 40s to near 50. Saturday - Partly sunny, highs from the low 60s to the low 70s'.

Lower Potomac and Chesapeake Bay: Today - Rain possible, with visibility of more than 5 miles except - lower in rain. Wind will be from the southwest at from 10 to 15 knots today, becoming variable at near 10 knots tonight. Waves in unprotected waters will near 2 feet.

Extended Area Forecast for Sunday through Tuesday: Chance of rain on Sunday and Monday, fair on Tuesday. Highs will be from the low 60s to near 70, lows from the low 40s to near 50. Normal Washington temperatures for the period area high of 74 and a low of 53.

West Virginia: Today - Rain possible, highs in the 50s, lows from the upper 30s to the upper 40s. Saturday - Partly cloudy, highs from the mid 50s to the 60s.

The National Weather Forecast for Rain will cover most of the Rockies and the Plains from the Dakotas to nothern Texas and parts of the middle Mississippi Valley. Showers, with thunderstorms likely, will extend from the Ohio Valley and eastern two-thirds of the Great Lakes to the Atlantic Coast from North Carolina to central New England. Skies will be mostly sunny from California through the central and southern Plateau, across southern New Mexico and southern Texas and over portions of the Southeast. Temperatures will be mild over much of Western California and from southern and eastern Texas to the southern Atlantic Coast. Much of the remainder of the nation will be cool.

Amanac Data for today: The sun rises 6:06 a.m., sets 8:40 p.m.; moon rises 5:21 a.m., sets 6:42 p.M. Tides: high 7:50 a.m. and 8:17 p.m. low 1:56 a.m. and 2:30 p.m. Higand 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 Beach (5 1/4), Norfolk (1), Virginia Beach (3/4), Solomons Island (6 1/4), Point Lookout (7).

Pollen Count: 118 for trees (a reading of more than 7 is considered to be undesirable).

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 10 for the pollutant photochemical oxidants. 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 the air quality will be good.

The National Weather Service forecasts the Potomac River stage at Little Falls should be near 4 feet today. Local Temps., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 midnight(COLUMN)57(COLUMN)47 1 a.m.(COLUMN)56(COLUMN)53 2 a.m.(COLUMN)55(COLUMN)59 3 a.m.(COLUMN)55(COLUMN)57 4 a.m.(COLUMN)54(COLUMN)51 5 a.m.(COLUMN)54(COLUMN)53 6 a.m.(COLUMN)54(COLUMN)59 7 a.m.(COLUMN)54(COLUMN)47 8 a.m.(COLUMN)55(COLUMN)43 9 a.m.(COLUMN)55(COLUMN)38 10 a.m.(COLUMN)55(COLUMN)40 11 a.m.(COLUMN)55(COLUMN)43 12 noon(COLUMN)52(COLUMN)54 1 p.m.(COLUMN)51(COLUMN)63 2 p.m.(COLUMN)49(COLUMN)77 3 p.m.(COLUMN)48(COLUMN)86 4 p.m.(COLUMN)47(COLUMN)86 5 p.m.(COLUMN)48(COLUMN)86 6 p.m.(COLUMN)47(COLUMN)89 7 p.m.(COLUMN)49(COLUMN)86(END TABLE) Temperatures ending 8 a.m. (EST) yesterday:(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)59(COLUMN)28 Alburqueque(COLUMN)64(COLUMN)39 Amarillo(COLUMN)39(COLUMN)32 Anchorage(COLUMN)57(COLUMN)43 Asheville(COLUMN)63(COLUMN)49 Atlanta(COLUMN)57(COLUMN)51 Atlantic City(COLUMN)64(COLUMN)49 Austin(COLUMN)69(COLUMN)47 Baltimore(COLUMN)69(COLUMN)47 Billings(COLUMN)59(COLUMN)38 Birmingham(COLUMN)62(COLUMN)59 Bismark(COLUMN)66(COLUMN)43 Boise(COLUMN)59(COLUMN)39 Boston(COLUMN)60(COLUMN)41 Brownsville(COLUMN)87(COLUMN)60 Buffalo(COLUMN)50(COLUMN)32 Burlington(COLUMN)51(COLUMN)37 Casper(COLUMN)50(COLUMN)32 Ch'leston, S.C.(COLUMN)67(COLUMN)60 Charlstn W.Va.(COLUMN)68(COLUMN)48 Charlotte(COLUMN)69(COLUMN)54 Cheyene(COLUMN)55(COLUMN)35 Chicago(COLUMN)57(COLUMN)47 Cincinnati(COLUMN)63(COLUMN)44 Cleveland(COLUMN)59(COLUMN)1 Columbia, S.C.(COLUMN)64(COLUMN)53 Columbus, O.(COLUMN)65(COLUMN)48 Dal. Ft. Worth(COLUMN)49(COLUMN)41 Dayton(COLUMN)65(COLUMN)46 Denver(COLUMN)57(COLUMN)39 Des Moines(COLUMN)62(COLUMN)49 Detroit(COLUMN)63(COLUMN)38 Dublin(COLUMN)70(COLUMN)38 El Paso(COLUMN)73(COLUMN)64 Fairbanks(COLUMN)58(COLUMN)37 Fargo(COLUMN)68(COLUMN)47 Flatstaff(COLUMN)65(COLUMN)34 Great Falls(COLUMN)55(COLUMN)32 Hartford(COLUMN)64(COLUMN)32 Heine(COLUMN)61(COLUMN)36 Honolulu(COLUMN)87(COLUMN)73 39 Houston (COLUMN)61(COLUMN)54 Indianapolis(COLUMN)67(COLUMN)45 Jackson, Miss.(COLUMN)67(COLUMN)54 Jacksonville(COLUMN)79(COLUMN)69 Junea(COLUMN)45(COLUMN)38 Kansas City(COLUMN)54(COLUMN)44 Les Vegas(COLUMN)87(COLUMN)62 Little Rock(COLUMN)55(COLUMN)48 os Angeles(COLUMN)69(COLUMN)58 Louisville(COLUMN)64(COLUMN)47 Memphis(COLUMN)58(COLUMN)55 33 Miami Beach(COLUMN)83(COLUMN)78 Midland-Odessa(COLUMN)58(COLUMN)39 Milwaukee(COLUMN)55(COLUMN)40 Mpts. St. Paul(COLUMN)71(COLUMN)47 Nashville(COLUMN)59(COLUMN)54 New Orleans(COLUMN)78(COLUMN)58 New York(COLUMN)66(COLUMN)44 Norfolk(COLUMN)64(COLUMN)53 North Plate 58(COLUMN)34 Oklahoma city(COLUMN)49(COLUMN)45 Omaha(COLUMN)59(COLUMN)47 Orlando(COLUMN)94(COLUMN)75 Philadelphia(COLUMN)68(COLUMN)46 Phoenix(COLUMN)90(COLUMN)64 Pittsburgh(COLUMN)65(COLUMN)45 Portland, Me.(COLUMN)56(COLUMN)30 Portland, Ore.(COLUMN)58(COLUMN)44 Providence(COLUMN)65(COLUMN)37 Raleigh(COLUMN)73(COLUMN)56 Rapid City(COLUMN)63(COLUMN)44 Reno(COLUMN)73(COLUMN)44 Richmond(COLUMN)73(COLUMN)51 St. Louis(COLUMN)59(COLUMN)46 St. Prbg-Tpa(COLUMN)90(COLUMN)80 Salt Lake City(COLUMN)65(COLUMN)42 San Antonio(COLUMN)75(COLUMN)46 San Diego(COLUMN)69(COLUMN)61 San Francisco(COLUMN)66(COLUMN)52 San Juan(COLUMN)88(COLUMN)58 St. Ste. Marie(COLUMN)58(COLUMN)33 Seattle(COLUMN)58(COLUMN)40 Shreveport(COLUMN)56(COLUMN)48 Sioux Falls(COLUMN)64(COLUMN)42 Spokane(COLUMN)56(COLUMN)37 Syracuse(COLUMN)55(COLUMN)28 Topeka(COLUMN)55(COLUMN)45 Tucson(COLUMN)82(COLUMN)57 Tulsa(COLUMN)52(COLUMN)46 Washington(COLUMN)71(COLUMN)53 Wichita(COLUMN)51(COLUMN)41(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)48 Amsterdam(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)63 Ankara(COLUMN)clear(COLUMN) 3 p.m.(COLUMN)68 Athens(COLUMN)pt. cldy(COLUMN) 2 p.m.(COLUMN)70 AUckland(COLUMN)clear(COLUMN)midnight(COLUMN)57 Berlin(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)61 Birmingham(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)55 Brussels(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)66 Casablance(COLUMN)cloudy(COLUMN)noon(COLUMN)63 Copenhagen(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN)54 Dublin(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)55 Geneva(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN)63 Hong Kong(COLUMN)rain(COLUMN) 9 p.m.(COLUMN)79 Jerusalem(COLUMN)clear(COLUMN) 2 p.m.(COLUMN)79 Lisbon(COLUMN)pt. cldy(COLUMN)noon(COLUMN)57 London(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN)63 Madrid(COLUMN)rain(COLUMN) 1 p.m.(COLUMN)48 Malta(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)68 Manila(COLUMN)clear(COLUMN) 8 p.m.(COLUMN)84 Moscow(COLUMN)rain(COLUMN) 3 p.m.(COLUMN)55 New Delhi(COLUMN)clear(COLUMN) 5 p.m.(COLUMN)108 Nice(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN)63 Oslo(COLUMN)cloudy(COLUMN) 1 p.m.(COLUMN)55 Paris(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)70 Peking(COLUMN)cloudy(COLUMN) 8 p.m.(COLUMN)68 Rome(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)70 Saigon(COLUMN)cloudy(COLUMN) 8 p.m.(COLUMN)86 Sofia(COLUMN)pt. cldy(COLUMN) 2 p.m.(COLUMN)64 Stockholm(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN)57 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)66 Tokyo(COLUMN)cloudy(COLUMN) 9 p.m.(COLUMN)68 Vienna(COLUMN)pt. cldy(COLUMN) 1 p.m.(COLUMN)63 Warsaw(COLUMN)clear(COLUMN) 1 p.m.(COLUMN)55(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)H.(COLUMN)L. Acapulco(COLUMN)cloudy(COLUMN)91(COLUMN)75 Barbados(COLUMN)rain(COLUMN)86(COLUMN)79 Bermuda(COLUMN)pt. sunny(COLUMN)72(COLUMN)61 Calgary(COLUMN)cloudy(COLUMN)45(COLUMN)32 Edmonton(COLUMN)clear(COLUMN)55(COLUMN)28 Havana(COLUMN)pt. cloudy(COLUMN)88(COLUMN)81 Kingston(COLUMN)pt. cldy(COLUMN)91(COLUMN)79 Montego Bay(COLUMN)pt. cldy(COLUMN)90(COLUMN)73 Mexico City(COLUMN)cloudy(COLUMN)86(COLUMN)57 Monterrey(COLUMN)sunny(COLUMN)86(COLUMN)59 Montreal(COLUMN)clear(COLUMN)48(COLUMN)39 Ottawa(COLUMN)clear(COLUMN)45(COLUMN)32 Regina(COLUMN)pt. cldy(COLUMN)59(COLUMN)34 St. Kitts(COLUMN)pt. cldy(COLUMN)88(COLUMN)75 Veracruz(COLUMN)cloudy(COLUMN)91(COLUMN)73 Winnipeg(COLUMN)pt. cldy(COLUMN)72(COLUMN)46(END TABLE)