Washington: Today - Partly cloudy, high in the low 80s, low near 60. The chance of rain is near zero. Friday - Partly cloudy, high in the low 80s.

Maryland and Virginia: Today - Partly cloudy, highs in the 70s, lows from the upper 40s to the 50s. Friday - Partly cloudy, highs in the 70s.

Lower Potomac and Chesapeake Bay: Today - Partly cloudy, with visibility of more than 5 miles. Winds will be from the west at less than 18 knots today, but from the northwest at less than 10 knots tonight. Waves in unprotected waters will be less than 3 feet.

Atlantic Ocean Beaches from Cape May through Maryland: Today and Thursday - Partly cloudy, highs in the 70s. Water temperatures will be from the upper 50s to the mild 60s.

Atlantic Ocean Beaches from Cape Hatteras through Virginia: Today and Thursday - Partly sunny, highs from the 70s to the mid 80s. Water temperatures will be from the upper 60s to the low 70.

Extended Area Forecast for Saturday through Monday: Fair through the period, but a chance of showers on Monday. Highs will be in the 80s, lows from the low to mid 60s. Normal Washington temperatures for the period are a high of 82 and a low of 62.

The National Weather Forecast for today - Showers will be scattered from the middle Ohio Valley and lower Great Lakes through New England and in the Montana mountains. Thunderstorms will be likely over much of Florida. Temperature will be mild to warm across the nation except for cool readings in the northern Intermountain region of the west, the lower Great Lakes and the middle and upper Ohio valley regions. Sunny skies will dominate the remainder of the nation.

Almanac Data for today - Sun rises 6:10 a.m., sets 8:01 p.m.; moon rises 9:25 p.m., sets 6:39 a.m. Tides: High 9:06 a.m. and 9:38 p.m.; low 3:20 a.m. and 4:03 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 Lighthouse (4 1/2); Deale, Md. (4 1/2); Colonial Beach (6); Norfolk (1 1/2); Virginia Beach (1); Solomons Island (6 1/2); Point Lookout (7). Pollen count: 16 for grass (note: 7 or higher is considered undesirable.)

The Council of Governments' Air Quality Index for yesterday shower, the high reading in the Washington area during the 2 p.m. to 3 p.m. period was 35 for the pollutant, photochemical oxidents. Index values between 24 and 49 indicate fair air quality. When the index exceeds 100 the air becomes hazardous and persons with lung, heart and eye problems should restrict their activity. The forecast for today indicates the air quality will improve.

The National Weather Service forecasts that the Potomac River stage at Little Falls will be near 3 feet. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 mid.(COLUMN)68(COLUMN)81 1 a.m.(COLUMN)69(COLUMN)78 2 a.m.(COLUMN)70(COLUMN)79 3 a.m.(COLUMN)70(COLUMN)79 4 a.m.(COLUMN)69(COLUMN)79 5 a.m.(COLUMN)70(COLUMN)81 6 a.m.(COLUMN)72(COLUMN)76 7 a.m.(COLUMN)73(COLUMN)71 8 a.m.(COLUMN)74(COLUMN)69 9 a.m.(COLUMN)75(COLUMN)66 10 a.m.(COLUMN)76(COLUMN)67 11 a.m.(COLUMN)77(COLUMN)64 12 noon(COLUMN)81(COLUMN)56 1 p.m.(COLUMN)84(COLUMN)51 2 p.m.(COLUMN)85(COLUMN)50 3 p.m.(COLUMN)86(COLUMN)48 4 p.m.(COLUMN)86(COLUMN)48 5 p.m.(COLUMN)87(COLUMN)47 6 p.m.(COLUMN)85(COLUMN)50 7 p.m.(COLUMN)84(COLUMN)53(END TABLE) Temperatures ending 8 a.m. (EDT) Yesterday(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)80(COLUMN)57 Albuquerque(COLUMN)91(COLUMN)59 Amarillo(COLUMN)79(COLUMN)60 Anchorage(COLUMN)64(COLUMN)45 Asheville(COLUMN)80(COLUMN)59 Atlanta(COLUMN)86(COLUMN)65 Atlanta City(COLUMN)61(COLUMN)58 Austin(COLUMN)92(COLUMN)71 Baltimore(COLUMN)72(COLUMN)65 Billings(COLUMN)85(COLUMN)52 Birmingham(COLUMN)88(COLUMN)68 Bismarck(COLUMN)76(COLUMN)41 Bolse(COLUMN)93(COLUMN)60 Boston(COLUMN)81(COLUMN)55 Brownsville(COLUMN)92(COLUMN)69 Buffalo(COLUMN)85(COLUMN)64 Burlington(COLUMN)84(COLUMN)62 Casper(COLUMN)82(COLUMN)44 Charleston, S.C.(COLUMN)82(COLUMN)71 Charl'ton, W.Va.(COLUMN)90(COLUMN)69 Charlotte(COLUMN)80(COLUMN)63 Cheyenne(COLUMN)77(COLUMN)46 Chicago(COLUMN)88(COLUMN)64 Cincinnati(COLUMN)88(COLUMN)60 Cleveland(COLUMN)88(COLUMN)59 Columbia, S.C.(COLUMN)87(COLUMN)69 Columbus(COLUMN)89(COLUMN)60 Dal.-Ft. Worth(COLUMN)86(COLUMN)70 Dayton(COLUMN)90(COLUMN)63 Denver(COLUMN)84(COLUMN)52 Des Moines(COLUMN)80(COLUMN)57 Detroit(COLUMN)81(COLUMN)56 Duluth(COLUMN)56(COLUMN)50 El Paso(COLUMN)98(COLUMN)64 Fairbanks(COLUMN)61(COLUMN)44 Fargo(COLUMN)76(COLUMN)50 Flagstaff(COLUMN)86(COLUMN)49 Great Falls(COLUMN)80(COLUMN)55 Hartford(COLUMN)83(COLUMN)55 Helena(COLUMN)83(COLUMN)46 Honolulu(COLUMN)85(COLUMN)74 Houston(COLUMN)96(COLUMN)78 Indianapolis(COLUMN)90(COLUMN)63 Jackson, Miss.(COLUMN)96(COLUMN)70 Jacksonville(COLUMN)87(COLUMN)65 Juneau(COLUMN)64(COLUMN)50 Kansas City(COLUMN)76(COLUMN)57 Las Vegas(COLUMN)104(COLUMN)69 Little Rock(COLUMN)92(COLUMN)62 Los Angeles(COLUMN)81(COLUMN)58 Louisville(COLUMN)91(COLUMN)64 Memphis(COLUMN)96(COLUMN)66 Miami Beach(COLUMN)80(COLUMN)77 Midl'nd-Odessa(COLUMN)95(COLUMN)67 Milwaukee(COLUMN)77(COLUMN)57 Mpls.-St. Paul(COLUMN)69(COLUMN)54 Nashville(COLUMN)90(COLUMN)63 New Orleans(COLUMN)93(COLUMN)70 New York(COLUMN)74(COLUMN)60 Norfolk(COLUMN)77(COLUMN)67 North Platte(COLUMN)75(COLUMN)55 Oklahoma City(COLUMN)78(COLUMN)59 Omaha(COLUMN)80(COLUMN)54 Orlando(COLUMN)90(COLUMN)69 Philadelphia(COLUMN)73(COLUMN)60 Phoenix(COLUMN)108(COLUMN)79 Pittsburgh(COLUMN)85(COLUMN)63 Portland, Maine(COLUMN)77(COLUMN)49 Portland, Ore.(COLUMN)65(COLUMN)54 Providence(COLUMN)74(COLUMN)50 Raleigh(COLUMN)82(COLUMN)69 Rapid City(COLUMN)78(COLUMN)50 Reno(COLUMN)94(COLUMN)51 Richmond(COLUMN)77(COLUMN)66 St. Louis(COLUMN)83(COLUMN)58 St. Pg.-Tampa(COLUMN)91(COLUMN)71 Salt Lake City(COLUMN)84(COLUMN)55 San Antonio(COLUMN)89(COLUMN)65 San Diego(COLUMN)70(COLUMN)61 San Francisco(COLUMN)65(COLUMN)52 San Juan(COLUMN)88(COLUMN)74 St. Ste. Marie(COLUMN)69(COLUMN)50 Seattle(COLUMN)62(COLUMN)53 Shreveport(COLUMN)95(COLUMN)70 Sioux Falls(COLUMN)76(COLUMN)52 Spokane(COLUMN)78(COLUMN)52 Syracuse(COLUMN)81(COLUMN)62 Topeka(COLUMN)77(COLUMN)55 Tucson(COLUMN)103(COLUMN)72 Tulsa(COLUMN)82(COLUMN)60 Washington(COLUMN)74(COLUMN)68 Wichita(COLUMN)78(COLUMN)57(END TABLE) Temperatures Abroad Yesterday(TABLE) City(COLUMN)Weather(COLUMN)Time(COLUMN)Temp. Aberdeen(COLUMN)clear(COLUMN)1 p.m.(COLUMN)64 Amsterdam(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)59 Ankara(COLUMN)clear(COLUMN)3 p.m.(COLUMN)70 Athen(COLUMN)clear(COLUMN)2 p.m.(COLUMN)77 Auckland(COLUMN)rain(COLUMN)midnight(COLUMN)55 Berlin(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)59 Birmingham(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)59 Brussels(COLUMN)clear(COLUMN)1 p.m.(COLUMN)61 Cairo(COLUMN)clear(COLUMN)2 p.m.(COLUMN)100 Casablanca(COLUMN)pt. cldY(COLUMN)noon(COLUMN)70 Copenhagan(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)57 Dublin(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)63 Geneva(COLUMN)clear(COLUMN)1 p.m.(COLUMN)61 Hong Kong(COLUMN)pt. cldy(COLUMN)8 p.m.(COLUMN)81 Lisbon(COLUMN)pt. cldy(COLUMN)noon(COLUMN)64 London(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Malta(COLUMN)clear(COLUMN)1 p.m.(COLUMN)73 Madrid(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Manila(COLUMN)clear(COLUMN)8 p.m.(COLUMN)84 Moscow(COLUMN)rain(COLUMN)3 p.m.(COLUMN)64 New Delhi(COLUMN)clear(COLUMN)5 p.m.(COLUMN)108 Nice(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)68 Oslo(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)61 Paris(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)64 Peking(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)72 Rome(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)73 Saigon(COLUMN)cloudy(COLUMN)8 p.m.(COLUMN)91 Sofia(COLUMN)cloudy(COLUMN)2 p.m.(COLUMN)66 Stockholm(COLUMN)cloudy(COLUMN)1 p.m.(COLUMN)57 Sydney(COLUMN)clear(COLUMN)10 p.m.(COLUMN)32 Tel Aviv(COLUMN)clear(COLUMN)2 p.m.(COLUMN)88 Tokyo(COLUMN)pt. cldy(COLUMN)9 p.m.(COLUMN)70 Tunis(COLUMN)clear(COLUMN)1 p.m.(COLUMN)75 Vienna(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)57 Warsaw(COLUMN)pt. cldy(COLUMN)1 p.m.(COLUMN)52(END TABLE) Temperaturs (Western Hemisphere)(TABLE) City(COLUMN)Weather(COLUMN)High(COLUMN)Low Acapulco(COLUMN)sunny(COLUMN)91(COLUMN)77 Barbados(COLUMN)sunny(COLUMN)86(COLUMN)77 Bermuda(COLUMN)sunny(COLUMN)80(COLUMN)72 Bogota(COLUMN)pt. cldy(COLUMN)64(COLUMN)46 Calgary(COLUMN)pt. cldy(COLUMN)72(COLUMN)50 Culiacan(COLUMN)pt. sunny(COLUMN)95(COLUMN)73 Edmonton(COLUMN)cloudy(COLUMN)70(COLUMN)54 Havana(COLUMN)cloudy(COLUMN)86(COLUMN)72 Kingston(COLUMN)cloudy(COLUMN)88(COLUMN)79 Montego Bay(COLUMN)cloudy(COLUMN)82(COLUMN)73 Mexico City(COLUMN)sunny(COLUMN)91(COLUMN)53 Monterrey(COLUMN)pt. sunny(COLUMN)95(COLUMN)75 Montreal(COLUMN)cloudy(COLUMN)79(COLUMN)55 Nassau(COLUMN)cloudy(COLUMN)86(COLUMN)73 Ottawa cloudy(COLUMN)79(COLUMN)59 Regina(COLUMN)clear(COLUMN)75(COLUMN)45 St. Kitts(COLUMN)sunny(COLUMN)88(COLUMN)77 St. Thomas(COLUMN)pt. sunny(COLUMN)88(COLUMN)77 Toronto(COLUMN)cloudy(COLUMN)75(COLUMN)57 Vancouver(COLUMN)cloudy(COLUMN)57(COLUMN)50 Veracruz(COLUMN)pt. sunny(COLUMN)91(COLUMN)75 Winnipeg(COLUMN)pt. cldy(COLUMN)77(COLUMN)44(END TABLE)