Washington: Today - Partly cloudy, high near 90, lows in low to mid 70s. Chance of rain is 51 per cent through tonight. Sunday - Partly cloudy, highs in low to mid 50s.

Maryland: Today - Chance of rain highs in 80s and 90s, lows to mid 60s to mid 70s. Sunday - Partly cloudy win chance of rain, highs in 90s.

Virginia: Today - Chance of afternoon and evening showers highs in 90s. Lows in 60s and 70s. Sunday - Chance of rain, highs in 90s.

Lower Potomac and Chesapeake Bay: Today - Partly cloudy with chance of afternoon and eveningshowers, visability ranging from [WORD ILLEGIBLE]to poor. Winds should be southwesterdly at 10 to 15 mph's through this afternoon diminishing to 8 knotsor less tonight.

Extended Area Outlook: For Monday through Wednesday - Humid with chance of rain, high in 90s lows in 70s through period. It should be cooler in mountains [WORD ILLEGIBLE] normal temperature range for this time of year is from [WORDS ILLEGIBLE].

Atlantic Ocean Beaches from Cape [WORDS ILLEGIBLE] to Cape May: Today and Sunday - Partly cloudy and humid with chance of afternoon and evening showers, highs in mid 80's to mid 90's. Water temperatures should range from low 70s in north to near 80 in south.

The National Weather Forecast for Today- showers and thunderstorms will extend from the Adlantic Coast and Gulf of Mexico Coast through the Applachians, lower Ohio Valley and lower Great Lakes.Showers will also be scattered through the extreme southern Rockies. Temperatures will be mild from the upper half of the Rockies and northern Plains, through the upper Mississippi Valley. It will continue very hot through portions of the Pacific Northwest. Elsewhere, temperature over the nation will remain seasonably warm to hot.

The Council of Governments Air Quality index for yesterday showed the high reading in the Washington Area during the 2 to 3 p.m. period was 29 for the [WORDS ILLEGIBLE] between 25 and 50 indicate for air quality. When the [WORD ILLEGIBLE] exceeds 100. The air is considered hazardous and individuals with lung, heart and eye airments are urged to restrict their activity. The forecast for today indicates that the air quality will improve.

The National Weather Service forecasts the Potomac River stage at Little Falls will be rear 2.7 feet today.

Washington data at 8 p.m. (EDT) yesterday: Highest temperature since 8 a.m. yesterday, 91 degrees at 12:05 p.m. Lowest temperature since midnight, 75 degrees at 7:05 a.m. Excess of temperatures since Aug.1,51 degrees. Excess of temperature since Jan. 1, 328 degrees. Record high temperature for today, 101 degrees in 1881 Record low temperature for today, 55 degrees in 1930. Relative humidity: Maximum 88 per cent at 6 a.m. Minimum, 52 per cent at noon. 24 hour precipitation, TRACE.

Deficiency of precipitation since Aug. 1,.07 inches. Deficiency of precipitation since Jan. 1 6.55 inches. Highest observed wind since 8 a.m. 12 miles per hour from the W.N.W. at 10:53 a.m. Peak gust since 8 a.m., 18 miles per hour from the N.W. at 1:19 p.m. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 night(COLUMN)81(COLUMN)74 1 a.m.(COLUMN)80(COLUMN)76 2 a.m.(COLUMN)79(COLUMN)79 3 a.m.(COLUMN)78(COLUMN)82 4 a.m.(COLUMN)77(COLUMN)85 5 a.m.(COLUMN)77(COLUMN)85 6 a.m.(COLUMN)76(COLUMN)88 7 a.m.(COLUMN)76(COLUMN)88 8 a.m.(COLUMN)79(COLUMN)80 9 a.m.(COLUMN)82(COLUMN)70 10 a.m.(COLUMN)85(COLUMN)65 11 a.m.(COLUMN)89(COLUMN)54 12 noon(COLUMN)90(COLUMN)52 1 p.m.(COLUMN)89(COLUMN)54 2 p.m.(COLUMN)86(COLUMN)61 3 p.m.(COLUMN)87(COLUMN)59 4 p.m.(COLUMN)88(COLUMN)58 5 p.m.(COLUMN)88(COLUMN)58 6 p.m.(COLUMN)84(COLUMN)65(END TABLE) Temperatures ending 8 a.m. (EDT) Yesterday$03,20,03,03,

City L. H.

Albany 84 66

Albourque 79 61

Almarilo 71 62

Anchorage 71 51

Auseville 86 64

Atlantic CIty 89 77

Austin 98 76

Baltimore 92 74

Barline 85 52

Birmirgham 92 71

Bismarck 81 50

Brise 94 62

Briston 76 95

Brownsville 94 73

Buffalo 80 58

Barlington Vt. 84 67

Casper 79 45

Charleston,S.C. 93 79

Charleston,W. Va. 84 63

Charlotte, N.C. 94 73

Cheyenne 62 44

Chicago 76 55

Cincinnati 86 68

Cliveland 84 61

Columbia, S.C. 94 70

Columbus, Ohio 84 64

Dal.-Ft. Worth 98 75

Dayton 87 65

Denver 70 50

Des Moine 77 56

Detroit 83 51

Duluth 66 54

El Paso 83 67

Fairbanks 70 51

Fargo 79 53

Flagstaff 84 57

Great Falls 85 57

Hartford 92 73

Helena 85 45

Honolulu 90 76

Houston 87 76

Indianapolis 85 62

Jackson, Miss. 92 72

Jacksonville 93 70

Juneau 64 52

Kansas City 71 56

Las Vegas 107 78

Little Rock 91 73

LOs Angeles 82 62

Louisville 86 72

Memohis 94 75

Miami Beach 84 74

Midland 99 70

Mitwaukee 71 50

Mbls. St. Paul 73 57

Neshville 95 70

New Orleans 83 72

New York 93 76

Norfolk 99 79

North Plathe 73 51

Oaclahoma City 83 67

Omaha 76 56

Orlando 86 72

Philadelphia 91 73

Phoenix 108 85

PIttsburgh 81 61

Portland, Me. 76 60

Portland, Ore. 102 67

Providence 91 73

Raleigh 95 74

Rapid City 79 51

Reno 96 55

Richmond 98 74

St Louis 80 63

St. Prbg. Tampa 93 71

Salt Lake City 93 62

San Antonio 94 73

San Diego 76 69

San Francisco 62 56

San Juan, P.R. 85 74

St. Ste. Marie 70 43

Seattle 95 66

Shreveport 92 71

Sipux Falls 77 54

Spokane 90 59

Syracuse 86 65

Topeka 78 55

Tuscon 100 75

Tuisa 88 68

Washington 91 75 Wichita 74 61 Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)68 Amsterdam(COLUMN)rain(COLUMN)1 p.m.(COLUMN)63 Ankara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)88 Athens(COLUMN)clear(COLUMN)2 p.m.(COLUMN)88 Auckland(COLUMN)cloudy(COLUMN)midnight(COLUMN)52 Berlin(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)64 Birmingham(COLUMN)cldy(COLUMN)1 p.m.(COLUMN)63 Brussels(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)63 Cairo(COLUMN)pt. cldy(COLUMN)2 p.m.(COLUMN)91 Casaclanca(COLUMN)clear(COLUMN)noon(COLUMN)72 Copherhagen(COLUMN)rain(COLUMN)1 p.m.(COLUMN)63 Dubin(COLUMN)clear(COLUMN)1 p.m.(COLUMN)70 Geneva(COLUMN)clear(COLUMN)1 p.m.(COLUMN)70 Hong Kong(COLUMN)Pt. cldy(COLUMN)8 p.m.(COLUMN)84 Lisbon(COLUMN)clear(COLUMN)noon(COLUMN)75 London(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)48 Madrjd(COLUMN)clear(COLUMN)1 p.m.(COLUMN)32 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)90 Vanila(COLUMN)pt. cldy(COLUMN)8 p.m.(COLUMN)82 Moscow(COLUMN)rain(COLUMN)3 p.m.(COLUMN)61 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)93 Nica(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)75 Oslo(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)70 Paris(COLUMN)clear(COLUMN)1 P.m.(COLUMN)66 Peking(COLUMN)clear(COLUMN)8 p.m.(COLUMN)72 Rome(COLUMN)clear(COLUMN)1 p.m.(COLUMN)79 Saigon(COLUMN)pt. cldy(COLUMN)8 p.m.(COLUMN)77 Sofia(COLUMN)pt. cldy(COLUMN)2 p.m.(COLUMN)75 Stockholm(COLUMN)cloudy(COLUMN)10 p.m.(COLUMN)72 Sydney(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)88 Tel Aviv(COLUMN)clear(COLUMN)9 p.m.(COLUMN)79 Tokyo(COLUMN)cloudy(COLUMN)9 p.m.(COLUMN)88 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)88 Vienna(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)72 Warsaw(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)70(END TABLE) Temperatures (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)H.(COLUMN)L. Acapulco (COLUMN)fair(COLUMN)88(COLUMN)77 Barbados(COLUMN)fair(COLUMN)86(COLUMN)79 Bermuda(COLUMN)sunny(COLUMN)89(COLUMN)87 -(COLUMN)pt. cldy(COLUMN)70(COLUMN)37 Calgary(COLUMN)rain(COLUMN)77(COLUMN)54 Culiacan(COLUMN)pt. cldy(COLUMN)90(COLUMN)77 Edmonton(COLUMN)rain(COLUMN)64(COLUMN)46 Havana(COLUMN)pt. cldy(COLUMN)88(COLUMN)68 Kingston(COLUMN)pt. cldy(COLUMN)90(COLUMN)79 Montego Bay(COLUMN)sunny(COLUMN)90(COLUMN)77 Mexico(COLUMN)fair(COLUMN)75(COLUMN)59 Monterrey(COLUMN)pt. cldy(COLUMN)95(COLUMN)73 Nassau(COLUMN)pt. cldy(COLUMN)90(COLUMN)75 Ottawa(COLUMN)clear(COLUMN)77(COLUMN)57 Regina(COLUMN)rain(COLUMN)77(COLUMN)45 St. Kitts(COLUMN)fair(COLUMN)89(COLUMN)76 Toronto(COLUMN)clear(COLUMN)79(COLUMN)52 Vancouver(COLUMN)clear(COLUMN)79(COLUMN)66 Veracruz(COLUMN)cloudy(COLUMN)90(COLUMN)73 Winnioes(COLUMN)cloudy(COLUMN)75(COLUMN)45(END TABLE)