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FORECAST IN DETAIL
Heat, mugginess, and typical summertime showers and storms dot the weekend forecast. We’re saying goodbye to June today and watching July heat arriving. Typically our hottest month, and it may be hotter than average. Consider a “sweat watch” in effect!
Today (Friday): Upper 80s to low 90s with humidity that may fall short of unbearable but adds that typical end-of-June level of sweat — about what we’d expect and about climatological average for this time of year. As clouds slowly increase and build through the day, we could see some afternoon showers or storms, particularly south of the city. Welcome, refreshing south-southwest winds blow between 10-15 mph. Confidence: Medium-High
Tonight: Muggy. And it doesn’t cool off quickly or all that much. Skies generally stay partly cloudy, and we can’t rule out an isolated shower (best chances remain mainly south of the city). Low temperatures are around 70, to the mid-70s downtown. South-southwest winds may blow around 10 mph. Confidence: Medium-High
Tomorrow (Saturday): We may have a fair amount of clouds with pop-up showers possible, especially as we get into mid-afternoon. That’s also the starting time-frame for when thunderstorms could pop, as well. This rain is associated with a weak front heading into our region. Ahead of it, southwesterly winds around 10 mph pump warm, humid air from the Gulf of Mexico, giving us muggy upper 80s to low 90s. If we see more sun than currently expected, a few mid-90s are also possible. Confidence: Medium
Tomorrow night: Showers and storms may continue into the middle of the night. Mugginess likely persists as well, but a slight drop may be noticeable near dawn, when low temperatures bottom out in the mid-70s downtown. Perhaps a few upper 60s well outside the Beltway, especially west of town? Light southerly winds slowly turn toward the west nearer dawn. Confidence: Medium
A LOOK AHEAD
Sunday: Hot but less humid, with low-to-mid 90s likely. We should see more sun than Saturday, especially during the midday hours. Any early morning drops should dissipate quickly. Another slight chance of an isolated shower or storm can’t be ruled out nearer dinner time. We’ll watch radar with you. Confidence: Medium
Sunday night: Some evening showers are possible, perhaps a thunderstorm, but nothing too major as it appears now. Not quite a windows-open type of night, but slightly ebbing humidity should feel more tolerable than recently. A tad bit less of this insulating blanket of water vapor in the air also allows temperatures to fall a few degrees further, into the upper 60s to perhaps low 70s downtown. Confidence: Medium
Hot, mainly sunny and dry, with humidity probably staying “under control” for Monday and Independence Day. Around 90 to perhaps 95 degrees may not feel much worse than that, thanks to June-like dew points perhaps in the tolerable 50s on Monday, but moister, July-like 60s dew points are possible on Tuesday. Bottom line: It may simply feel like a classic July 4 in D.C. Both days’ shower chances could stay under 25 percent chance. We’ll tweak the forecast and offer greater detail as we get a bit closer! Confidence: Medium
Beachcast (Friday through Tuesday):
- New Jersey beaches: Highs mainly Upper 70s to mid-80s/lows upper 60s to lower 70s; highest chance for storms Saturday night/Sunday morning; ocean temperatures low-mid 60s/waves 1-3 feet.
- Delaware/Maryland beaches: Highs mainly mid-to-upper 80s/lows around 70 to mid-70s; highest chance for storms Saturday midday then again Saturday night; ocean temperatures upper 60s to lower 70s/waves 1-3 feet.
- Virginia/North Carolina beaches: Highs mainly mid-to-upper 80s/lows mid-70s; highest chance for storms Saturday afternoon but off-and-on chances most of Saturday and Sunday, unfortunately; ocean temperatures upper 70s to low 80s/waves 1-2 feet.