Yesterday’s sunset in Silver Spring. (Dan Lawrence via Twitter )

A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.

5/10: Still too hot and humid, but a return to fall is finally on the doorstep.


Today: Partly sunny, humid. Highs: Mid-80s to near 90.
Tonight: Partly cloudy. Lows: Mid-60s to near 70.
Tomorrow: Mostly sunny, breezy, less humid. Highs: Mid-to-upper 70s.

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Our significant delay to fall is about to come to an end. We’ve got one more hot and humid day today, before autumn rides back into town on a breezy cold front tomorrow. By Friday through Sunday, the seasons are right-side-up again, with low humidity and highs only near 70.

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Today (Wednesday): As Maria continues to spin off the Mid-Atlantic coast, we continue to see little to no impact locally, other than partly cloudy skies. The humidity remains way too high for late September, with dew points in the upper 60s to near 70. And highs head for the mid-80s to near 90, with a breeze from the north around 10 mph. Confidence: High

Tonight: The mugginess is likely to linger through much of the night. But as winds turn more from the northwest with an approaching cold front, we should see drier air start to move in toward morning. Lows drop back to the mid-60s to near 70 under partly cloudy skies. Confidence: High

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Tomorrow (Thursday): Our winds pick up, ironically, just as Maria meanders further away off the coast. That’s because the cold front moving through has a strong breeze of its own, at 15-20 mph from the northwest, with gusts near 30 mph. The humidity plummets as dew points quickly fall into the 50s, with cooler highs in the mid-to-upper 70s, despite mostly sunny skies. Confidence: Medium-High

Tomorrow night: Winds slacken as we head through the evening and overnight, although I think we’ll keep something of a breeze throughout. The much drier air and mostly clear skies allow for more seasonable lows dipping down into the 50s. Confidence: Medium-High


By Friday through Sunday, Maria is long gone out into the Atlantic. Some upper-level energy might increase clouds and spawn an isolated shower at some point Friday night or Saturday. Otherwise we’re partly to mostly sunny, cool and occasionally breezy with highs each day in the upper 60s to low 70s. Friday night lows range through the 50s, with Saturday night lows in the upper 40s to low 50s. Confidence: Medium-High