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Posted at 8:40 AM ET, 06/ 2/2009

Forecast: Summer Heat, Then Spring Showers

By Matt Rogers

* NatCast | Climate Change Kills 300K? | Later: Not Your Typical May *


Today: Partly sunny. 20% chance p.m. storm. 87-90. Tonight: Partly cloudy. 66-69. | Tomorrow: Partly cloudy, p.m. storms. 87-90. | A Look Ahead


While the calendar says summer is still a few weeks away yet, us weather people follow the "meteorological summer," which is June 1 to Aug. 31. So it is not too much of a surprise to see a taste of summer today and tomorrow as high temperatures make a run at the upper 80s or maybe even 90. Then, a return to cooler more spring-like weather returns on Thursday to Friday with plenty of clouds and showers too. The good news is that we still see improvement by the weekend.

Temperatures: Current area temperatures. Powered by Weather Bonk. Map by Google. Hover over and click icons for more info. Click and hold on map to pan. Refresh page to update. See map bigger on our Weather Wall.

Today (Tuesday): Warm weather builds into the area today as winds shift to come from a more southwesterly direction. We should see highs in the mid-to-upper 80s with variable sun/cloud conditions and a slight (20%) chance of a late afternoon/evening shower or thunderstorm. Confidence: High

Tonight: Partly cloudy skies should prevail this evening as a warm air mass continues to build over the region. Low temperatures should be more muggy with mid-to-upper 60s (I would not be surprised to see spots in the city not drop below 70). Confidence: High

Keep reading for the forecast through the weekend...

Tomorrow (Wednesday): A cold front will approach the area. Ordinarily, the warm winds out ahead of it would elevate temperatures higher than today's levels. But we should also see more cloud cover capping temperatures in the mid-to-upper 80s with the possibility of 90 sneaking in somewhere. The heat and instability will increase chances for afternoon/evening showers and thunderstorms (60% by late afternoon/evening). Confidence: Medium

Tomorrow Night: More showers are expected as a cold front sweeps through early and winds shift toward a cooler direction from the north. Lows should drop into the low 60s and shower chances are at a healthy 60%. Confidence: Medium


Thursday and Friday will be under the influence of cool high pressure to the north and a stalled front over and to the south of the area. What this means is another cool oceanic flow, lots of clouds, and frequent rain chances. Look for a 70% likelihood of rain through the period with highs near 70 and lows Friday morning in the mid-to-upper 50s. Confidence: Low-Medium

The weekend is looking good at this early stage with high pressure dominating Saturday with sunshine and highs in the 70s. Sunday should trend warmer as a warm front works north through the area. Temperatures should reach into the low 80s, but there will be an increased chance (40%) of showers and thunderstorms. Lows should be in the 50s and 60s. All in all, the first weekend of June looks like a nice one. Confidence: Low-Medium

By Matt Rogers  | June 2, 2009; 8:40 AM ET
Categories:  Forecasts  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: NatCast: Quite Warm, Shower Possible
Next: Not Your Typical May - Or Was It?


Air conditioning went on for me this morning. The humidity is palpable...

Posted by: Jason-CapitalWeatherGang | June 2, 2009 9:10 AM | Report abuse

Dewpoints keep climing, storm chances might be on the increase for today if there are any small scale areas of convergence around. The front is still well north, but a prefontal trough may make its way to our northern fringes. Tonight's my last soccer game of this season, I would appreciate it not being rained out.

Posted by: Brian-CapitalWeatherGang | June 2, 2009 11:03 AM | Report abuse

Posted by: CapitalClimate | June 2, 2009 11:13 AM | Report abuse

Please see my posts on last month's weather.

The prospect of more cool, breezy, rainy weather certainly doesn't excite me. I also have a dance tonight, so severe weather would not be welcome, especially around 8:15 PM.

I wonder if anyone at CWG or Capital Climate has been following the Air France crash story. We had our own lightning-related plane crash in Elkton, MD in 1963. Fatal lightning strikes on aircraft are very rare but not unknown. I hope the black boxes for that plane can be located. If it's in deep water, maybe the Navy or CIA could be in on the search. They have apparently lifted Soviet submarines from deep water in the past [using the Glomar Explorer] so recovering the plane debris or black boxes shouldn't be totally impossible.

Posted by: Bombo47jea | June 2, 2009 12:16 PM | Report abuse

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