Washington: Today - Sunny and humid, high in low 90s, low near 70. Chance of rain near zero this morning, 30 percent this afternoon through tonight. Saturday - Sunny and humid with chance of rain, high in low 90s.

Maryland and Virginia: Today - Sunny and humid, high in 80s to low 90s, lows in 60s to near 70. Chance of afternoon and evening showers. Saturday - Sunny and humid with chance of rain, highs in 80s to low 90s.

Lower Potomac and Chesapeake Bay: Today - Fair skies this morning with chance of late afternoon and evening showers with visibility ranging from good today to poor in precipitation. Winds should be south to southeasterly at 10 to 15 knots today, diminishing to 8 knots or less tonight.

Extended Area Outlook: For Sunday through Tuesday - Sunny and humid with chance of afternoon and evening showers. Highs should be near 90s, lows in 60s. Washington's normal temperature range for this time of year is from 83 to 64.

Atlantic Ocean Beaches from Cape May to Capr Hatteras: Today and Saturday - Mostly sunny and humid, chance of rain in late afternoons and evenings, highs in 80s, water temperatures should range from low 70s in north to near 80 in south.

West Virginia: Today - Partly cloudy and humid, highs in mid 80s to low 40s, lows in mid 60s to low 70s. Chance of afternoon and evening showers except in west and southwest, Saturday - partly cloudy and humid, highs in mid 80s to low 90s.

The National Wearther Forecast for Today - Showers and thunderstorms will continue along the Gulf of Mexico Coast. Showers and occasional thunderstorms will extend from New England through the Great Lakes, the Appalachians, the Ohio and Tennessee Valleys of the Mississippi Valley through eastern portions of the northern and central plains. Showers will also be widely scattered over the Pacific northwest. Temperatures will be cool from the northern Plains across the upper Missouri Valley. It will be mild from the upper Great Lkaes and northern Mississippi Valley through the Rockies, across the northern inter mountains and Great Plains to the Pacific northwest. Elsewhere, temperatures over the nation will be seasonably warm to hot.

Almanac data for Sept. 2, 1977: Sun rises 6:38 a.m., sets 7:37 p.m.( moon rises 10:21 p.m., sets 11:24 a,m,

Tides: High 11:58 a. m. and 12:25 a.m., low 6:35 a.m. and 6:46 p.m. High and low tides at the following locations can be obtained by subtracting the hours indicated from the tides above: Annapolis (3 1/2); Bloody point Lighthose (4 1/2); Deake, Md (4 1/2); Colonial Beach (6); Norfolk (1 1/2); Virginia Beach (1); Solomons Island (6 1/2); Point Lookout (7)

Police count: 26, ragweed (note: J or Higher is considered undesirable).

The Council of Governments' Air Quality Index for yesterday showned the high reading in the Washington area during the 2 to 3 p.m. period was 120 for the pollutant, phoyo-chemical axidants. Index values between 100 and 249 indicate very unhealthy air quality. When the index exceeds 100 the air is considered very unhealthy and individual with long, heart and eys allments are urged to restrict their activity. The forcast for today indicated that the air quality will remain about the same.

The National Weather Service forecasts the Potomac River stage at Little Falls should remain near 2.7 feet today.

Washington data at 8 p.m. (EDT) yesterday: Highest temperature since 8 a.m. Yesterday, 93 degrees at 2:45 p.m., Lowest temperature since midnight, 72 degrees at 6:10 a.m. Excess of temperature since Sept. 8 degrees. Excess temperature since Jan 1, 344 degrees. Record high temperature for today, 100 degrees in 1953. Record low temperature for today, 50 degrees in 1895. Relative humidity; Maximum. 97 per cent at 7 a.m.; Minimum, 45 per cent at 4 p.m. 24 hour precipitation, none Deficiency of precipitation since Sept. 1 13 inches. Deficiency of precipitation since Jan 1, 6.54 inches. Highest observed wind since 8 a.m. 10 miles per hour from the south at 3:53 p.m. No peak gust since 8 a.m. Local Temp., Humidity(TABLE) Time(COLUMN)T(COLUMN)H 12 mid(COLUMN)77(COLUMN)88 1 a.m.(COLUMN)76(COLUMN)94 2 a.m.(COLUMN)76(COLUMN)91 3 a.m.(COLUMN)75(COLUMN)94 4 a.m.(COLUMN)74(COLUMN)94 5 a.m.(COLUMN)74(COLUMN)94 6 a.m.(COLUMN)73(COLUMN)94 7 a.m.(COLUMN)73(COLUMN)97 8 a.m.(COLUMN)94(COLUMN)97 9 a.m.(COLUMN)78(COLUMN)81 10 a.m.(COLUMN)81(COLUMN)81 11 a.m.(COLUMN)83(COLUMN)83 12 noon(COLUMN)85(COLUMN)78 1 p.m.(COLUMN)88(COLUMN)72 2 p.m.(COLUMN)90(COLUMN)61 3 p.m.(COLUMN)93(COLUMN)45 4 p.m.(COLUMN)93(COLUMN)45 5 p.m.(COLUMN)92(COLUMN)48 6 p.m.(COLUMN)94(COLUMN)54(END TABLE) Temperatures ending 8 a.m. (EDT) Yesterday .(TABLE) City(COLUMN)H(COLUMN)L Albany(COLUMN)78(COLUMN)67 Alburque(COLUMN)87(COLUMN)62 Amarillo(COLUMN)90(COLUMN)66 Anchorage(COLUMN)58(COLUMN)50 Asheville(COLUMN)86(COLUMN)63 Atlanta(COLUMN)88(COLUMN)68 Atlantic City(COLUMN)83(COLUMN)72 Austin(COLUMN)98(COLUMN)75 Baltimore(COLUMN)82(COLUMN)71 Bilings(COLUMN)65(COLUMN)51 Birmingham%H95%H73 Bismarck(COLUMN)64(COLUMN)44 Boise(COLUMN)73(COLUMN)41 Boston(COLUMN)69(COLUMN)61 Brownsville(COLUMN)92(COLUMN)76 Buffalo(COLUMN)85(COLUMN)70 Burlington, Vt(COLUMN)80(COLUMN)69 Casper(COLUMN)72(COLUMN)48 Charlton, W.Va.(COLUMN)89(COLUMN)67 Charlotte, N.C.(COLUMN)95(COLUMN)70 Cheynne(COLUMN)69(COLUMN)48 Chicago(COLUMN)90(COLUMN)72 Cincinati(COLUMN)90(COLUMN)70 Cleveland(COLUMN)85(COLUMN)72 Columbia, S.C.(COLUMN)91(COLUMN)65 Columbus, Ohio(COLUMN)95(COLUMN)70 Dal Ft. Woth(COLUMN)94(COLUMN)71 Dayton(COLUMN)90(COLUMN)72 Denver(COLUMN)80(COLUMN)60 Des Moines(COLUMN)83(COLUMN)67 Detroit(COLUMN)90(COLUMN)73 Duluth(COLUMN)74(COLUMN)51 El Paso(COLUMN)92(COLUMN)72 Fairbanks(COLUMN)66(COLUMN)45 Fargo(COLUMN)65(COLUMN)42 Flagstaff(COLUMN)80(COLUMN)47 Great Falls(COLUMN)65(COLUMN)45 Hartford(COLUMN)80 67 Helena(COLUMN)64(COLUMN)47 Honolulu(COLUMN)89(COLUMN)78 Houston(COLUMN)88(COLUMN)75 Indianapolis(COLUMN)91(COLUMN)70 Jackson, Miss(COLUMN)93(COLUMN)70 Jacksville(COLUMN)90 H69 Juneau(COLUMN)65(COLUMN)38 Kansas City(COLUMN)80(COLUMN)65 Las Vegas(COLUMN)101(COLUMN)75 Little Rock(COLUMN)93(COLUMN)73 Los Angeles(COLUMN)80(COLUMN)65 Louisville(COLUMN)93(COLUMN)73 Memphis(COLUMN)97(COLUMN)73 Miami Beach(COLUMN)84(COLUMN)73 Midland(COLUMN)96(COLUMN)73 Milwaukee(COLUMN)85(COLUMN)69 Mpls St Paul(COLUMN)78(COLUMN)51 Nashville(COLUMN)93(COLUMN)72 New Orleans(COLUMN)89(COLUMN)79 New York 74(COLUMN)70 Norfolk(COLUMN)89(COLUMN)71 North Platte(COLUMN)72(COLUMN)47 Oklahoma City(COLUMN)79(COLUMN)57 Omaha(COLUMN)81(COLUMN)62 Orlando(COLUMN)89(COLUMN)74 Philadelphia(COLUMN)88(COLUMN)72 Phoenix(COLUMN)105(COLUMN)86 Pittsburg(COLUMN)83(COLUMN)62 Portland, Me(COLUMN)66(COLUMN)60 Portland, Ore(COLUMN)74(COLUMN)49 Providence(COLUMN)80(COLUMN)67 Raleigh(COLUMN)91(COLUMN)67 Rapid City(COLUMN)68(COLUMN)48 Reno(COLUMN)87(COLUMN)64 Richmond(COLUMN)94(COLUMN)70 St Louis(COLUMN)91(COLUMN)74 St. Prbg. Tampa(COLUMN)92(COLUMN)77 Salt Lkae City(COLUMN)77(COLUMN)56 San Diego(COLUMN)75(COLUMN)69 San Francisco(COLUMN)68(COLUMN)55 San Juan, P.R.(COLUMN)88(COLUMN)75 St Ste. Narie(COLUMN)73(COLUMN)57 Seattle(COLUMN)71(COLUMN)51 Shreveport(COLUMN)91(COLUMN)70 Sioux Falls(COLUMN)76(COLUMN)46 Syracuse(COLUMN)83(COLUMN)70 Topeka(COLUMN)89(COLUMN)67 Tucson(COLUMN)99(COLUMN)80 Tulsa(COLUMN)90(COLUMN)73 Washington(COLUMN)90(COLUMN)72 Wichita(COLUMN)92(COLUMN)67(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time Aberdeen(COLUMN)drizzle(COLUMN)1 p.m. Amsterdam(COLUMN)Cloudy(COLUMN)1 p.m. Ankara(COLUMN)clear(COLUMN)3 p.m. Athens(COLUMN)clear(COLUMN)3 p.m. Auckland(COLUMN)cloudy(COLUMN)midnight Berlin(COLUMN)clear(COLUMN)1 p.m. Birmingham(COLUMN)cloudy(COLUMN)1 p.m. Brussels(COLUMN)cloudy(COLUMN)1 p.m. Cairo(COLUMN)pat. cloudy(COLUMN)2 p.m. Casablanca(COLUMN)clear(COLUMN)noon Cpenhagan(COLUMN)clear(COLUMN)1 p.m. Dublin(COLUMN)cloudy(COLUMN)1 p.m. Geneva(COLUMN)cloudy(COLUMN)1 p.m. Hong Kong(COLUMN)pt. cloudy(COLUMN)8 p.m. Lisbon(COLUMN)clear noon London(COLUMN)clear(COLUMN)1 p.m. Madrid(COLUMN)clear(COLUMN)1 p.m. malta(COLUMN)pt cloudy Maila(COLUMN)cloudy(COLUMN)8 p.m. Moscow(COLUMN)pt cloudy(COLUMN)3 p.m. New Delhi(COLUMN)pt cloudy(COLUMN)5 p.m. Nice(COLUMN)pt cloudy(COLUMN)1 p.m. Oslo(COLUMN)clear(COLUMN)1 p.m. Paris(COLUMN)clear(COLUMN)1 p.m. peking(COLUMN)clear 8 p.m. Rome(COLUMN)clear 1 p.m. Saigon(COLUMN)storm(COLUMN)8 p.m. Sofia(COLUMN)pt cloudy(COLUMN)2 p.m. Stockholm clear(COLUMN)1 P.m. Sydney(COLUMN)rain(COLUMN)10 p.m. Tel Aviv(COLUMN)clear(COLUMN)2 p.m. Tokyo(COLUMN)cloudy(COLUMN)9 p.m. Tunis(COLUMN)clear(COLUMN)1 p.m. Vienna(COLUMN)cloudy(COLUMN)1 p.m. Warsaw(COLUMN)clear(COLUMN)1 p.m.(END TABLE) Temperature (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)high Low Acapulco(COLUMN)fair(COLUMN)91 81 Barbados(COLUMN)pt cloudy(COLUMN)87 77 Calgary(COLUMN)cloudy(COLUMN)52 34 Edmanton(COLUMN)pt cloudy(COLUMN)46 34 Havana(COLUMN)cloudy(COLUMN)88 72 Kingston(COLUMN)cloudy(COLUMN)87 79 Montego Bay(COLUMN)storm(COLUMN)87 75 Mexico City(COLUMN)haze(COLUMN)77 56 Montgomery(COLUMN)cloudy(COLUMN)91 75 Montreal(COLUMN)cloudy(COLUMN)77 66 Nassau(COLUMN)rain(COLUMN)86 73 Ottawa(COLUMN)cloudy(COLUMN)79 66 Regina(COLUMN)pt cloudy(COLUMN)63 39 St. Kitts(COLUMN)fair(COLUMN)90 79 Toronto(COLUMN)clear(COLUMN)77 66 Vancouver(COLUMN)clear(COLUMN)66 52 Veracruz(COLUMN)pt cldy(COLUMN)90 75 Winnipeg(COLUMN)fog(COLUMN)57 41(END TABLE)