Washington: Today - Rain, highs near 70, lows in the mid 50s. The chance of rain is 60 per cent today and [WORD ILLEGIBLE] per cent tonight. Thursday - Variably cloudy, high near 70.

Maryland and Virginia: Today - Rain, highs in the 60s, lows from the low in mid 50s. Thursday - Variably cloudy, highs in the 60s.

Lower Potomac and Chesapeake Bay: Today - Rain, with visibility of more than 5 miles, except lower in rain. Wind will be from the southeast and less than 15 knots today. [WORD ILLEGIBLE] to from the northeast at from 10 to 15 knots tonight. [WORD ILLEGIBLE] in unprotected waters will be less than 2 feet.

West Virginia: Today - Rain, highs in the 60s, lows from the low 40s to near 50. Thursday - sunny, highs from the 60s to the low [WORD ILLEGIBLE]

Extended Area Forecast for Friday through Sunday. Chance of showers on Friday, fair on Saturday and Sunday. Highs will range from the [WORD ILLEGIBLE] 60s to the low 70s, and lows will be in the low 40s. Temperatures will be cooler in the mountains. Normal Washington temperatures for the period are a high of [WORD ILLEGIBLE] and a low of 45.

Almanac Data for today - Sun rises [WORD ILLEGIBLE] p.m., sets 6:15 p.m.; moon rises [WORD ILLEGIBLE] p.m., sets 7:01 p.m. Tides, high [WORD ILLEGIBLE] a.m. and 8:55 p.m., low 2:49 a.m. and 3:03 p.m. High and low tides at the following locations can be obtained by subtracting the hours indicated from the tides above: Annapolis (1 1/4); Bloody Point, Lighthouse (4 1/2); [WORD ILLEGIBLE] [WORD ILLEGIBLE] (4 1/2); Colonial Beach (6); Norfolk (1 1/2); Virginia Beach (1); Solomon Island (6 1/2); Point Lookout (7).

The Council of Governments' Air Quality [LINE ILLEGIBLE] the high reading in the Washington [LINE ILLEGIBLE] period was 20 for the pollutant, [LINE ILLEGIBLE] oxidants. Index value between [LINE ILLEGIBLE] 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 that the air quality will be good.

The National Weather Service forecasts the Potomac River stage at Little Falls should be near 2.9 feet today.

Washington data at 8 p.m. (EDT) yesterday: Highest temperature since 8 a.m. yesterday, 72 degrees at 4:10 p.m. Lowest temperature since October: 56 degrees. Excess [WORD ILLEGIBLE] of temperature since October, 56 degrees. Excess of temperature since Jan. 1, 385 degrees. Record high temperature for today, 82 degrees in 1920. Record low temperature for today, 28 degrees in 1874. Relative humidity: Maximum, 83 per cent at 7 a.m.; Minimum, 46 per cent at 4 p.m. Excess of precipitation since October 1, 1.26 inches. Deficiency of precipitation since Jan. 1, 7.91 inches. Highest observed wind since 8 a.m., 9 miles per hour from the southeast at 5 p.m. Peak gust since 8 a.m., 12 miles per hour from the south at 5:04 p.m. Local Temp., Humidity(TABLE) Time(COLUMN)T.(COLUMN)H. 12 Mid.(COLUMN)53(COLUMN)69 1 a.m.(COLUMN)54(COLUMN)69 2 a.m.(COLUMN)53(COLUMN)73 3 a.m.(COLUMN)51(COLUMN)77 4 a.m.(COLUMN)51(COLUMN)77 5 a.m.(COLUMN)50(COLUMN)80 6 a.m.(COLUMN)50(COLUMN)80 7 a.m.(COLUMN)50(COLUMN)83 8 a.m.(COLUMN)51(COLUMN)77 9 a.m.(COLUMN)53(COLUMN)80 10 a.m.(COLUMN)55(COLUMN)77 11 a.m.(COLUMN)59(COLUMN)69 12 noon(COLUMN)62(COLUMN)62 1 p.m.(COLUMN)66(COLUMN)52 2 p.m.(COLUMN)68(COLUMN)51 3 p.m.(COLUMN)69(COLUMN)47 4 p.m.(COLUMN)70(COLUMN)46 5 p.m.(COLUMN)68(COLUMN)51 6 p.m.(COLUMN)67(COLUMN)49 7 p.m.(COLUMN)65(COLUMN)54(END TABLE) Temperatures ending 8 a.m. (EDT) Yesterday(TABLE) City(COLUMN)H.(COLUMN)L. Albany(COLUMN)58(COLUMN)33 Albuquerque(COLUMN)74(COLUMN)42 Amarillo(COLUMN)76(COLUMN)43 Anchorage(COLUMN)41(COLUMN)30 Asheville(COLUMN)62(COLUMN)54 Atlanta(COLUMN)72(COLUMN)58 Atlantic City(COLUMN)54(COLUMN)48 Austin(COLUMN)75(COLUMN)58 Baltimore(COLUMN)64(COLUMN)41 Billings(COLUMN)67(COLUMN)51 Birmingham(COLUMN)75(COLUMN)63 Bismarck(COLUMN)60(COLUMN)33 Boise(COLUMN)73(COLUMN)54 Boston(COLUMN)61(COLUMN)48 Brownsville(COLUMN)80(COLUMN)64 Buffalo(COLUMN)66(COLUMN)48 Burlington(COLUMN)57(COLUMN)39 Casper(COLUMN)60(COLUMN)45 Charleston, S.C.(COLUMN)72(COLUMN)66 Charleston, W. Va.(COLUMN)73(COLUMN)54 Charlotte(COLUMN)67(COLUMN)56 Cheyenne(COLUMN)65(COLUMN)39 Chicago(COLUMN)71(COLUMN)56 Cincinnati(COLUMN)73(COLUMN)56 Cleveland(COLUMN)71(COLUMN)60 Columbia, S.C.(COLUMN)76(COLUMN)59 Columbus(COLUMN)71(COLUMN)53 Dal.-Ft. Worth(COLUMN)79(COLUMN)57 Dayton(COLUMN)72(COLUMN)54 Denver(COLUMN)(COLUMN) Des Moines(COLUMN)66(COLUMN)49 Detroit(COLUMN)66(COLUMN)46 Duluth(COLUMN)50(COLUMN)44 El Paso(COLUMN)79(COLUMN)43 Fairbanks(COLUMN)21(COLUMN)11 Fargo(COLUMN)54(COLUMN)36 Flagstaff(COLUMN)68(COLUMN)28 Great Falls(COLUMN)62(COLUMN)55 Hartford(COLUMN)62(COLUMN)36 Helena(COLUMN)70(COLUMN)44 Honolulu(COLUMN)88(COLUMN)75 Houston(COLUMN)76(COLUMN)65 Indianapolis(COLUMN)74(COLUMN)59 Jackson, Miss.(COLUMN)71(COLUMN)66 Jacksonville(COLUMN)79(COLUMN)68 Juneau(COLUMN)48(COLUMN)39 Kansas City(COLUMN)54(COLUMN)47 Las Vegas(COLUMN)86(COLUMN)55 Little Rock(COLUMN)69(COLUMN)61 Los Angeles(COLUMN)82(COLUMN)52 Louisville(COLUMN)72(COLUMN)57 Memphis(COLUMN)74(COLUMN)64 Miami Beach(COLUMN)81(COLUMN)75 Midl-Odessa(COLUMN)80(COLUMN)49 Milwaukee(COLUMN)62(COLUMN)56 Mpls.-St. Paul(COLUMN)51(COLUMN)45 Nashville(COLUMN)73(COLUMN)59 New Orleans(COLUMN)73(COLUMN)72 New York(COLUMN)58(COLUMN)49 Norfolk(COLUMN)66(COLUMN)52 North Platte(COLUMN)62(COLUMN)28 Oklahoma City(COLUMN)75(COLUMN)55 Omaha(COLUMN)51(COLUMN)44 Orlando(COLUMN)81(COLUMN)71 Philadelphia(COLUMN)61(COLUMN)42 Phoenix(COLUMN)89(COLUMN)64 Pittsburgh(COLUMN)68(COLUMN)48 Portland, Maine(COLUMN)58(COLUMN)30 Portland, Ore.(COLUMN)69(COLUMN)53 Providence(COLUMN)59(COLUMN)43 Raleigh(COLUMN)68(COLUMN)49 Rapid City(COLUMN)65(COLUMN)38 Reno(COLUMN)77(COLUMN)33 Richmond(COLUMN)70(COLUMN)44 St. Louis(COLUMN)64(COLUMN)56 St. Prbg-Tampa(COLUMN)81(COLUMN)73 Salt Lake City(COLUMN)72(COLUMN)45 San Antonio(COLUMN)78(COLUMN)56 San Diego(COLUMN)78(COLUMN)62 San Francisco(COLUMN)73(COLUMN)60 San Juan(COLUMN)87(COLUMN)77 St. Ste. Marie(COLUMN)59(COLUMN)46 Seattle(COLUMN)59(COLUMN)48 Shreveport(COLUMN)74(COLUMN)65 Sioux Falls(COLUMN)48(COLUMN)40 Spokane(COLUMN)67(COLUMN)46 Syracuse(COLUMN)65(COLUMN)41 Topeka(COLUMN)57(COLUMN)47 Tucson(COLUMN)82(COLUMN)56 Tulsa(COLUMN)73(COLUMN)58 Washington(COLUMN)67(COLUMN)49 Wichita(COLUMN)67(COLUMN)50(END TABLE)