Forecast: Near-record heat today to slowly ease
Still warm Saturday; cooler Sunday, then rain?
updated at 7:30 a.m. (originally posted at 5 a.m.)
Today: Partly to mostly sunny, breezy p.m. Mid-90s at least. | Tonight: Warm & breezy. Upper 60s to low 70s. | Tomorrow: Partly to mostly sunny. Mid-80s to near 90. | Sunday: Cooler & somewhat cloudy. 20% chance of late-day shower. Low-to-mid 70s. | A Look Ahead | Get Express Forecast by E-mail
FORECAST IN DETAIL
Really hot today. As in, record highs of 94 (National) and 92 (Dulles) are in jeopardy. Saturday's pretty warm too, even though a cold front comes through early in the day. (Are ya rooting for our cold front as much as I am?!) The cooler air finally makes it in for Sunday as autumnal temps return. We'll have a chance to break this streak of mostly dry weather as we get into the early part of the work week.
Today (Friday): After some patchy morning fog, skies are partly to mostly sunny on what is virtually a lock to be our 66th 90-degree day of the year. Most spots should reach highs in the mid-90s, perhaps a few upper 90s. Fairly humid, too. What you might think a saving grace -- afternoon breezes around 15 mph -- only serve to pump in the heat from the south/southwest. The sun isn't as strong as earlier in the summer. But hot is hot any way you cut it. So take it easy and drink plenty of water. Confidence: Medium-High
Tonight: Mostly clear skies, with only the slightest (around 15%) chance of a shower or thundershower, and a sizeable breeze makes for a pretty ok evening despite warm temperatures mainly in the 80s. Before sunrise, we'll still be on the warmer side of an approaching cold front. So overnight lows only dip to the upper 60s (suburbs) to low 70s (downtown). Confidence: Medium
Vote your call for today's Daily Digit (see Daily Digit box above), and keep reading for the forecast into next week...
Tomorrow (Saturday): Mother Nature tries to redeem herself behind a cold front which ushers in decreasing humidity and more tolerable temperatures. Can we notch our 67th 90-degree day of the year and tie the 1980 record? With warm breezes from the west we have a chance, but it would be just barely as highs top out in the mid-80s to near 90. I think you'll be pleased with partly to mostly sunny skies. Confidence: Medium
Tomorrow Night: Skies could cloud up a bit. Only an outside (15% chance) of a small shower. Evening temperatures fall through the 70s. Overnight, the suburbs head for lows in the 50s while downtown may hover near 60 by dawn. Just cool enough to open the windows back up? Confidence: Medium
Sunday: Finally, we make a clean break from the heat. Sun may battle clouds, especially during the afternoon, with cooler highs in the low-to-mid 70s. (Even with clouds, the loss of heat alone might make Sunday worthy of a Nice Day Sun?) I suppose I can't fully rule out a shower (20% chance) late in the day or during the evening. Confidence: Low-Medium
Shower chances may increase some Sunday night. Lows probably end up about the same as the previous night -- 50s in the suburbs to as high as near 60 downtown. Confidence: Low-Medium
Monday & Tuesday are likey cloudy and possibly rainy at times (i.e., this is a low-confidence forecast), as an area of low pressure to our west (tracking from south to north) draws in moisture off the Atlantic. Most would agree, we need the rain. Temperatures remain pleasantly cool with highs in the 70s. Confidence: Low
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