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Posted at 3:35 PM ET, 10/ 4/2010

PM Update: Chilly tonight, then gradually warmer

By Ian Livingston

Sunshine here and there tomorrow and more late week

* The rise and fall of the Potomac River | Warmest Sept. since 1980 *
* Outside now? Radar, temps, clouds & more: Weather Wall *

It's been a cool and dreary day, but the good news for those not quite ready for this much of a taste of fall is things should start getting better (sunnier and warmer) as we head through the week. Temperatures have been stuck in the low-and-mid 50s most spots this afternoon, and both BWI and IAD are threatening to finish with the coolest maximum temperature for the date (54 and 56 respectively). National has risen slightly above (at least 57) its lowest maximum temperature of 56 set in 1998.

Temperatures: Latest D.C. area temperature map powered by iMapWeather (base map by Google). Click and hold on map to pan. Double-click to zoom. Refresh page to update. See larger map on our Weather Wall.

Through Tonight: Winds from the north and northwest signal an end to any precipitation of consequence, though some drizzle is possible into the evening and skies are likely to stay mostly cloudy. The story of the night should be some of the coolest lows we've seen in months. Readings drop all the way to near 40 in the coolest spots to the mid-or-upper 40s downtown. Keep the jacket handy.

Tomorrow (Tuesday): We'll battle clouds again tomorrow, but there should be some sun as well. Looks like skies should be clearing a bit in the morning, and we could see a period of partly sunny before clouds thicken back up late thanks to cold air aloft and an upper-level low pressure still hanging out in the area. Highs top out near 60 or into the lower 60s.

See Jason Samenow's forecast through early next week. And if you haven't already, join us on Facebook and follow us on Twitter.

Snow: We're not the only ones getting a chilly taste of things to come. A low pressure system impacting the West Coast is forecast to bring snow to the Sierra Nevada over the coming days. In the ski areas above 8,000 feet, 4-8 inches of snow is expected by tomorrow morning.

By Ian Livingston  | October 4, 2010; 3:35 PM ET
Categories:  Forecasts  
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Bummer that DCA didn't at least equal the record low high temp. Save 57 for Heinz ketchup. But a drop of 42 degrees from the high temp 10 days ago to 57 today is remarkable, as Jason noted earlier today.

Posted by: JerryFloyd1 | October 4, 2010 6:31 PM | Report abuse

The potted lemon tree comes inside tonight.
It's weird to be out in the garden with absolutely no watering chores to do.
Not a complaint!

Posted by: FIREDRAGON47 | October 4, 2010 7:51 PM | Report abuse

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