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Posted at 3:30 PM ET, 11/ 2/2010

PM Update: Election day ending on chilly note

By Jason Samenow

Frost advisory late tonight for D.C. and eastern suburbs

* Frost Advisory D.C., E & S suburbs 3 a.m. to 9 a.m. (map) *
* Why was last year snowy? I & II | Southeast rainfall more variable *
* Tropical storm Tomas regroups | Hurricane Tracking Center *
* Outside now? Radar, temps, clouds & more: Weather Wall *

Today has been the chilliest fall day of 2010 with temperatures barely crossing the 50-degree threshold. This morning's brisk wind has thankfully relented so it's not at all unpleasant especially if you're standing in the sun. But as the sun sets this evening (around 6:07 p.m.), temperatures quickly fall into the 40s - so be sure to dress warmly if you're headed to the polls late.

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: We get another clear and cold night. Evening temperatures falling through the 40s reach the 30s after midnight most places (except downtown). The normally colder suburbs bottom out from 29-32, with mid-to-upper 30s downtown. Pretty much the entire region runs the risk of frost by morning.

Tomorrow (Wednesday): Sunshine is dominant through much of the day though a few high clouds could sneak in late. It's not as cold as today thanks to a light wind from the south. Highs reach the mid-50s in most spots.

See Matt Roger's forecast through the week. And if you haven't already, join us on Facebook and follow us on Twitter.

October globally warm: Satellite temperature measurements of the globe have existed since 1979, and October 2010 was the third warmest October on record. The global temperature was about 0.76 F above average. Due to the effects of a strengthening La Nina (in all likelihood), October was 0.32 F less warm than September compared to average. For the year, 2010 is in a statistical dead heat with 1998 for the warmest on record. Read more: Roy Spencer and the Blackboard

By Jason Samenow  | November 2, 2010; 3:30 PM ET
Categories:  Forecasts  
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Next: Forecast: Thursday rain threat as cold remains


So has IAD, BWI, or DCA had a first freeze yet? I know there was Freeze Warning last night, but far as I can tell temps did not actually go to 32 or below.

In fact, the Almanac to the left states that the low was only 39 - not even cold enough for frost, much less a freeze. I find that hard to believe though, as the temp in Fairfax was 39 at midnight and was 37 at 815am. I would think it would have gotten lower than that in the pre-dawn hours... but maybe not?

Posted by: jahutch | November 2, 2010 4:16 PM | Report abuse

On the 4 p.m. WRC weather segment, Veronica J. mentioned there's a possibility a few stray flakes may find their way over the mountains into DC the area this weekend. Alas, not enough to bring out the SLCB. Ah, if only the cold front could get here before the rain...

Posted by: JerryFloyd1 | November 2, 2010 4:56 PM | Report abuse


BWI and IAD dropped below freezing tonight -- 30 and 31. Pathetic DCA only to 38.

Posted by: Jason-CapitalWeatherGang | November 2, 2010 5:44 PM | Report abuse

JerryFloyd1 - it's not nice to tease snowlovers like that.

Posted by: FIREDRAGON47 | November 2, 2010 6:19 PM | Report abuse

Jason - I assume that means the growing season is now officially over, so we will see no more freeze warnings?

Posted by: jahutch | November 2, 2010 6:37 PM | Report abuse

Down to 36.1 already in NW Montgomery.

Posted by: MKadyman | November 2, 2010 9:42 PM | Report abuse

Temp stats from eastern Warren County at 1900 ft: morning lo 28.8F, hi 49.1

Posted by: spgass1 | November 2, 2010 10:10 PM | Report abuse

Although temps have dipped into the 20s last night and in the 30s last week, so significant freeze yet. At least near New Baltimore/The Plains ...

Posted by: weathergrrl | November 2, 2010 11:44 PM | Report abuse

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