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Posted at 5:00 AM ET, 07/ 3/2008

Forecast: Typical D.C. Summer Weather Returns

By Josh Larson

Thunderstorm chances for the 4th and weekend.

Did you really think it would last? A more southerly flow will put an end to our brief respite from heat and humidity. In its place over the next several days will be more typical D.C. summer weather: temperatures ranging from warm to hot, rather humid and chances of thunderstorms every day except today. All this just in time for the holiday weekend.

TODAY (THURSDAY)

Webcam: Latest view of D.C. from the Netherlands Carillon at Arlington National Cemetery. Courtesy National Park Service. Refresh page to update.

Partly sunny & hot. Low 90s. Thanks to a push of air from the south, temperatures, and to a lesser degree humidity, will be higher than yesterday. But still not a bad day, albeit quite warm, for first round play at the AT&T National. Expect a blend of clouds and sun with afternoon highs in the low 90s; I wouldn't be surprised if a few locations near or hit 95.

Tonight will be partly cloudy and mild with a slight chance of a stray shower, especially north and west. Overnight lows will drop to 70-75.

Confidence: High

Keep reading for the forecast through early next week. Also, see our detailed July 4th forecast and the holiday weekend BeachCast.

TOMORROW (4th OF JULY)

Mostly cloudy, warm & humid. Near 90. If you've lived in D.C. for a while, conditions on this 4th of July should be fairly familiar. Plan on more clouds than sun and moderately high humidity with afternoon highs in the upper 80s to near 90. Scattered thunderstorms will likely develop during the late afternoon and may persist in some spots through the evening. Chances that you'll see a storm where you are? About 40%. For more details, see our special July 4th forecast.

Plan on scattered thunderstorms and truly muggy conditions overnight with lows in the mid 70s.

A LOOK AHEAD

A stalled cold front will make for mostly cloudy and humid conditions on both Saturday and Sunday, with scattered showers and thunderstorms likely both days. Warm, not hot, afternoon highs should be in the mid 80s with overnight lows from the upper 60s to the low 70s. Confidence: Medium

Monday appears to offer more of the same, with slightly more sunshine (partly sunny), slightly warmer temperatures (upper 80s), and a continued but slightly lower chance of showers and thunderstorms. Confidence: Medium

By Josh Larson  | July 3, 2008; 5:00 AM ET
Categories:  Forecasts  
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Comments

Going to the Outer Banks on Saturday for the week. If the cold front stalls over our region here, does that mean North Carolina coast should be mostly dry, albeith very warm and muggy. It is then expected that the Bermuda high kicks in and lifts the cold front back north over our area (as a warm front) meaning more dry and humid conditions in NC later next week. Thanks!

Posted by: Mike | July 3, 2008 9:41 AM | Report abuse

What is the difference between scattered thunderstorms and isolated thunderstorms?

Posted by: Yellow Kid | July 3, 2008 10:46 AM | Report abuse

National Hurricane Center has upgraded tropical depression #2 to Tropical Storm Bertha near the Cape Verde Islands.

Capital Climate

Posted by: Capital Climate | July 3, 2008 11:36 AM | Report abuse

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