A TRULY GRAPE EVENT IN MIDDLEBURG

Move over California. The 12th annual Wine Festival in Middleburg gathers the glass acts of 16 Virginia wineries 10 to 5 Saturday. Besides wine tasting and judging demonstrations, there'll be grape-stomping, cork-throwing and barrel-rolling contests, as well as a jousting tournament by the Orange County Hunt and dixieland music by Southern Comfort. Admission is $10, free for those under 21 (who'll be sold no wine before their time). It's at the Valley View Vineyard on U.S. 50 a mile east of Middleburg. Call 703/754-8564.

JOUST A GOOD TIME

Calvert County's 121st Jousting Tournament at the 17th-century Christ Church in Port Republic makes its points from 1 to 6 Saturday with keen competition among 20 riders. Besides all the lancing, there'll be craft sales, pony rides, puppet shows, tours of a 19-century schoolhouse and a bazaar followed by a country supper. Admission to the tournament is 50 cents; the supper is $7.50, $3.50 for kids under 12. Call 301/586-0565.

INDIAN INCLINATIONS

This weekend's the last chance big and little kids have to see the Festival of Arts and Crafts of India at the Capital Children's Museum. In addition to perusing the crafts of an Indian bazaar, kids can try wood block printing, sari tying, henna handpainting and bread rolling. Admission to the museum, at 800 Third St. NE, is $4. Call 543-8600.

BATTLE REVISITED

The Blue and Gray rise again for the 125th anniversary of the Battle of Second Manassas. Between 9 and 8 Saturday and 9 and 5 Sunday there'll be programs at three locations: Manassas National Battlefield Park (off U.S. 29); Baldwin Park (a block off Rte. 234 on Prince William Street); and James S. Long Park (three miles north of Haymarket on U.S. 15). Activities will include a reenactment, battlefield tours, lectures, musket drills, concerts and period fashion shows. The big show is the mock battle, between 2 and 3 Sunday at Long Park. Everything's free except admission to the Sunday battle, which is $4 per car. Call 703/368-1873 or 703/754-7108.

HOT FREEBIES

Summertime's always the time for free outdoor concerts and festivals, like these:

Friday after work, check out the TGIF party at Western Plaza, between 13th and 14th streets on Pennsylvania Avenue. Between 5 and 8 dance to the jazz of Willie Jolley. It's free and food will be for sale. Call 724-9091.

On Saturday, African rhythms come your way with the African Festival, also at Western Plaza. It's noon to 8, with a variety of dance and musical groups, including the Andrew Cacho African Drummers and Dancers and the drummers of Rhythmix. Free. Ethnic foods, drinks and arts and crafts will be for sale. Call 328-3839.

FAIR WARNING

The Maryland State Fair at the Timonium Fairgrounds opens for its 106th year beginning Saturday and running through September 7 with agricultural and livestock shows, home arts, a miniature horse team, farm and garden demonstrations and a midway chock full of rides. Admission is $3, under 12 are free. Call 301/252-0200 for information.

Get lucky at the Lucketts Country Fair on the grounds of the Lucketts Community Center, off U.S. 15, eight miles north of Leesburg with bluegrass and country music, dance, craft demonstrations, an antique market and hayrides. For little folk, there's storytelling, traditional music, a farmyard zoo and firetruck rides. Admission is $1.50, free for kids under 6. Call 703/777-8881 or 478-1856, ext. 519.

RUFF STUFF

The dog days officially end this weekend, or at least the Kathleen Ewing Gallery's "Dog Days of Summer" photography show does. This is your last chance to check out pooch pictures by more than 65 national and local artists. The gallery, at 1609 Connecticut Ave. NW, is open 11 to 5 Friday and Saturday. Call 328-0955 for information.

REST OF THE BEST

Baltimore's Showcase of Nations ethnic celebrations continue noon to 7 Saturday and Sunday with the Ukrainian Festival at Festival Hall, Pratt and Sharpe streets. $2. Call 301/837-INFO . . . the Maryland State Quarter Horse Association's "futurity" show begins at 8 a.m. Friday, Saturday and Sunday at the Prince George's Equestrian Center, 5600 Water St. in Upper Marlboro. Free. 952-4740 . . . Buy, sell and trade records at the ARC Record Convention 9 to 4:30 Saturday at the Crystal City Holiday Inn, 1489 Jefferson Davis Hwy. $2. Call 521-1600 . . . the Southwest Family Day is noon to 9 Saturday at Landsburgh Park, Delaware and M SW with concerts, crafts and food. Free. 488-7210.

NOTABLES

The U.S. Air Force Band's final summer concert with the Concert Band and Singing Sergeants is at 8 Friday at the Sylvan Theater. 767-5658 . . . Fort Hunt, off the G.W. Parkway near Mount Vernon, wraps up its concert series with the Sunshine Skiffle Band at 7 Saturday. Free. 285-2598 . . . The Carter Barron Amphitheater is the place for the latin sounds of Willie Colon and Eddie Palmerri 8:30 Sunday. Tickets are $7.50. 485-9666 or 426-6837 . . . the Concerts in the Bandstand series continues at 4 Sunday with the Pan Masters Steel Drum Band on the west lawn of the Smithsonian's American History Museum. Free. 357-2700 . . . the Mill Run Dulcimer Band performs 7 to 9 Saturday at Colvin Run Mill Park, Rte. 7 five miles west of Tysons Corner. $2. Call 941-1071.