Washington Today - Rain, high in mid 70s, low in mid 50s. The chance of rain is 70 percent today and 20 percent tonight. Wind will be from the southwest at from 10 to 20 mph.Wednesday - Sunny, high near 70.

Maryland and Virginia: Today - Rain, highs from the 60s to the 70s, lows from the 40s to the 50s. Wednesday - Sunday, highs from the 60s to the mid 70s.

Lower Popomac and Chesapeake Bay: Today - Rain with visibility of less than 3 miles. Wind will be from the southwest at from 15 to 25 knots. Waves in uprotected waters will be from 2 to 4 feet.

Extended Area Forecast for Thursday through Saturday: Fair through the period highs from the upper 60s to the 70s, lows from the upper 40s to the 50s. Normal Washington temperatures for the period are a high of 75 and a low of 54. West Virinia: Today - Cloudy, rain likely, highs from the mid 60s to the 70s, lows from the mid 40s to the 50s. Wednesday - Partly cloudy, highs from the upper 50s to the 60s.

The National Weather Forecast for today - Rain will fall over the great lakes and the East Coast, white scattered rain extends into the Ohio Valley, Thunderstorms will be numerous over the southern Atlantic states, Sunny skies will dominate the remainder of the nation - except for cloudiness and a few showers in the extreme northern Rockies. It will be mild to warm over the Plateau and the Far West. Mild readings will also be found throughout the middle and southern Atlantic Coast arc across most of the South. Temperatures will be cool in other sections of the country.

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 are 25 for the pollutant, shotochemical oxidants. Index values belows 25 and 49 indicate fair air quality. When the index exceeds 100 the air is considered very unhealthy and indiviouais with lung, heart and eye ailments are uroad to restrict their activity. THe forecast for today indicates mat the air quality will improve.

The National Weather Service forecasts the Potomac River stage at Little Falls should be near 4.9 feet today.

Almanac Data for today: The sun rises 6:02 a.m., sets 8:08 p.m.; moon rises 7::56 a.m., sets 10:25 p.m. Tides: high 10:27 a.m. and 10:53 p.m., low 4:51 a.m. and 5:24 p.m. High and low tides at the following locations may be obtained by subtracting the hours indcated from the hours above: Annapoils )3 1/2), 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).

Local Temps., Humidity

(TABLE) Time(COLUMN)T.(COLUMN)H. 12 m'nite(COLUMN)60(COLUMN)65 1 a.m.(COLUMN)58(COLUMN)69 2 a.m.(COLUMN)57(COLUMN)72 3 a.m.(COLUMN)56(COLUMN)77 4 a.m.(COLUMN)55(COLUMN)86 5 a.m.(COLUMN)55(COLUMN)83 6 a.m.(COLUMN)55(COLUMN)83 7 a.m.(COLUMN)55(COLUMN)83 8 a.m.(COLUMN)54(COLUMN)86 9 a.m.(COLUMN)54(COLUMN)86 10 a.m.(COLUMN)54(COLUMN)86 11 a.m.(COLUMN)55(COLUMN)83 12 noon(COLUMN)54(COLUMN)86 1 p.m.(COLUMN)54(COLUMN)90 2 p.m.(COLUMN)55(COLUMN)87 3 p.m.(COLUMN)56(COLUMN)86 4 p.m.(COLUMN)57(COLUMN)87 5 p.m.(COLUMN)57(COLUMN)93 6 p.m.(COLUMN)58(COLUMN)90 7 p.m.(COLUMN)58(COLUMN)93(END TABLE)

Temperatures ending 8 a.m. (DST) yesterday:

(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)70(COLUMN)39 Albuquerque(COLUMN)63(COLUMN)34 Amarillo(COLUMN)71(COLUMN)45 Anchorage(COLUMN)55(COLUMN)41 Asheville(COLUMN)73(COLUMN)55 Atlanta(COLUMN)68(COLUMN)64 Atlantaic City(COLUMN)58(COLUMN)46 Austin(COLUMN)89(COLUMN)70 Baltimore(COLUMN)67(COLUMN)52 Billings(COLUMN)50(COLUMN)39 Birmingham(COLUMN)69(COLUMN)68 Bismarck(COLUMN)53(COLUMN)41 Boise(COLUMN)68(COLUMN)35 Boston(COLUMN)65(COLUMN)52 Brownsville(COLUMN)99(COLUMN)74 Buffalo(COLUMN)59(COLUMN)47 Burlington(COLUMN)68(COLUMN)37 Casper(COLUMN)38(COLUMN)32 Charlston, S.C.(COLUMN)80(COLUMN)69 Chl'tn, W.Va.(COLUMN)70(COLUMN)56 Charlotte(COLUMN)80(COLUMN)53 Cheyenne(COLUMN)38(COLUMN)33 Chicago(COLUMN)51(COLUMN)49 Cincinnati(COLUMN)57(COLUMN)52 Cleveland(COLUMN)65(COLUMN)56 Columbia, S.C.(COLUMN)82(COLUMN)66 Columbus, O.(COLUMN)56(COLUMN)54 Dal-Ft. Worth(COLUMN)86(COLUMN)60 Dayton(COLUMN)55(COLUMN)52 Denver(COLUMN)45(COLUMN)36 Des Moines(COLUMN)51(COLUMN)49 Detroit(COLUMN)63(COLUMN)49 Duluth(COLUMN)62(COLUMN)43 El Paso(COLUMN)70(COLUMN)55 Fairbanks(COLUMN)65(COLUMN)50 Fargo(COLUMN)56(COLUMN)43 Flagstaff(COLUMN)57(COLUMN)26 Great Falls(COLUMN)54(COLUMN)32 Hartford(COLUMN)67(COLUMN)37 Helena(COLUMN)59(COLUMN)35 Honolulu(COLUMN)87(COLUMN)75 Houston(COLUMN)86(COLUMN)74 Indianapolis(COLUMN)56(COLUMN)55 JacksoN, Miss.(COLUMN)74(COLUMN)72 Jacksonville(COLUMN)84(COLUMN)73 Juneau(COLUMN)51(COLUMN)42 Kansas City(COLUMN)60(COLUMN)48 Las Vegas(COLUMN)79(COLUMN)52 Little Rock(COLUMN)80(COLUMN)63 Los Angeles(COLUMN)80(COLUMN)60 Louisville(COLUMN)56(COLUMN)55 Memphis(COLUMN)74(COLUMN)69 Miami Beach(COLUMN)82(COLUMN)78 M'land-Odessa(COLUMN)79(COLUMN)60 Mllwaukee(COLUMN)51(COLUMN)43 Mpls. St. Paul(COLUMN)60(COLUMN)47 Nashville(COLUMN)72(COLUMN)68 New Orleans(COLUMN)80(COLUMN)79 New York(COLUMN)66(COLUMN)47 Norfolk(COLUMN)60(COLUMN)54 North Platte(COLUMN)59(COLUMN)39 Oklahoma City(COLUMN)76(COLUMN)49 Omaha(COLUMN)53(COLUMN)42 Orlando(COLUMN)89(COLUMN)76 Philadelphia(COLUMN)67(COLUMN)42 Phoenix(COLUMN)84(COLUMN)56 Pittsburgh(COLUMN)63(COLUMN)51 Portland, Me.(COLUMN)65(COLUMN)33 Portland, Ore.(COLUMN)74(COLUMN)42 Providence(COLUMN)68(COLUMN)43 Raleigh(COLUMN)72(COLUMN)53 Rapid City(COLUMN)43(COLUMN)36 Reno(COLUMN)67(COLUMN)31 Richmond(COLUMN)67(COLUMN)51 St. Louis(COLUMN)63(COLUMN)58 St. Pg. Tampa(COLUMN)90(COLUMN)75 Salt Lake City(COLUMN)56(COLUMN)43 San Antonio(COLUMN)87(COLUMN)68 San Diego(COLUMN)74(COLUMN)61 San Francisco(COLUMN)80(COLUMN)55 San Juan(COLUMN)89(COLUMN)73 St. Ste. Marie(COLUMN)67(COLUMN)45 Seattle(COLUMN)71(COLUMN)44 Shreveport(COLUMN)84(COLUMN)67 Sloux Falls(COLUMN)47(COLUMN)42 Spokane(COLUMN)69(COLUMN)43 Syracuse(COLUMN)64(COLUMN)40 Topeka(COLUMN)61(COLUMN)42 Tucson(COLUMN)73(COLUMN)50 Tulsa(COLUMN)73(COLUMN)51 Washington(COLUMN)68(COLUMN)54 Wichita(COLUMN)69(COLUMN)48(END TABLE)

Temperatures Abroad Yesterday

(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aderdeen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)54 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Ankara(COLUMN)cloudy(COLUMN)3 p.m.(COLUMN)68 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)70 Berlin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)54 Birmingham(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Brussels(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Cairo(COLUMN)clear(COLUMN)2 p.m.(COLUMN)89 Casablance(COLUMN)clear(COLUMN) noon(COLUMN)68 Copenhagen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)64 Dublin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Geneva(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)50 Hong Kong(COLUMN)pt. cldy.(COLUMN)8 p.m.(COLUMN)77 Jetosalem(COLUMN)clear(COLUMN)2 p.m.(COLUMN)77 Lisbon(COLUMN)pt. cldy.(COLUMN) noon(COLUMN)66 London(COLUMN)rain(COLUMN)1 p.m.(COLUMN)52 Madrid(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)66 Malta(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)64 Manila(COLUMN)clear(COLUMN)8 p.m.(COLUMN)91 Moscow(COLUMN)rain(COLUMN)3 p.m.(COLUMN)61 New Delhi(COLUMN)clear(COLUMN)3 p.m.(COLUMN)106 Nice(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)59 Oslo(COLUMN)clear(COLUMN)1 p.m.(COLUMN)64 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)55 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)66 Rome(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)64 Sofla(COLUMN)pt. cldy.(COLUMN)2 p.m.(COLUMN)63 Stockholm(COLUMN)clear(COLUMN)1 p.m.(COLUMN)55 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)66 Tokyo(COLUMN)rain(COLUMN)9 p.m.(COLUMN)63 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)73 Vienna(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)57 Warsaw(COLUMN)pt. cldy.(COLUMN)1 p.m.(COLUMN)64(END TABLE)

Temperatures (Western Hemisphere)

(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulto(COLUMN)cloudy(COLUMN)84(COLUMN)72 Barcados(COLUMN)cloudy(COLUMN)88(COLUMN)75 Bermuda(COLUMN)pt. cldy(COLUMN)71(COLUMN)59 Calgary(COLUMN)clear(COLUMN)55(COLUMN)32 Culacan(COLUMN)pt.cldy(COLUMN)93(COLUMN)59 Edmonton(COLUMN)clear(COLUMN)61(COLUMN)32 Havana(COLUMN)pt. cldy(COLUMN)93(COLUMN)75 Kingston(COLUMN)sunny(COLUMN)88(COLUMN)77 Montego Bay(COLUMN)sunny(COLUMN)86(COLUMN)73 Mexico City(COLUMN)haze(COLUMN)88(COLUMN)61 Monterrey(COLUMN)haze(COLUMN)104(COLUMN)77 Montreal(COLUMN)clear(COLUMN)70(COLUMN)41 Nassau(COLUMN)pt.cdly(COLUMN)88(COLUMN)75 Ottawa(COLUMN)(COLUMN)pt. cldy(COLUMN)70 45 Regina(COLUMN)cloudy(COLUMN)52(COLUMN)43 St Kitts(COLUMN)pt. cldy(COLUMN)88(COLUMN)74 St. Thomas(COLUMN)sunny(COLUMN)80(COLUMN)75 Vancouver(COLUMN)pt. cldy(COLUMN)63(COLUMN)46 Veracruz(COLUMN)pt. cldy(COLUMN)100(COLUMN)75 Winnipeg(COLUMN)rain(COLUMN)61(COLUMN)45(END TABLE)