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Forecast: An Amazing Autumn Arrival
Late-week rain threat
For the past week, we've enjoyed glorious fall weather even before the actual arrival of the season. With the official start of autumn at 11:44 a.m. today, our fine stretch of weather won't miss a beat. Expect more dry, pleasantly warm afternoons and crisp nights right on through Wednesday. On Thursday, a soaking rain may come knocking -- but by then we could probably use it.
Mostly sunny. Near 80. High pressure builds in behind a weak cold front that passed overnight. The cooler air in the front's wake will take about a day to get here, so we can expect another day like yesterday with lots of sunshine and highs near 80. A light wind will blow from the northeast at 5-10 mph.
Partly cloudy skies overnight and somewhat cool. Lows drop to the upper 40s in the suburbs to the mid 50s downtown.
Confidence: High
Keep reading for the forecast through the weekend. See our new Weather Wall for the ultimate overview of D.C. area current conditions.
Mostly sunny. Mid 70s. High pressure over Ontario and Quebec will direct a delightfully dry and cool breeze from the northeast over the region. Considerable sunshine will help temperatures climb about half way through the 70s.
Tuesday night may bring some of the coolest readings of the week. Under clear skies and light winds, low temperatures should drop into the mid-to-upper 40s in the suburbs to the low-to-mid 50s downtown.
Confidence: High
Wednesday will bring the continuation of beautiful sunshine, a light northeasterly breeze and high temperatures in the mid 70s. Confidence: Medium-High
On Thursday and Friday, a coastal low may bring steady rain into the region (50% chance) with temperatures in the 60s. On Friday, the tropical wave now near Puerto Rico (to possibly become tropical storm Kyle) may come close enough to this coastal low to interact with it, adding an extra layer of complication to the forecast. The most likely scenario is that the tropical system passes to our east and north sparing us from major impacts, but will merit watching. Confidence: Low-Medium
Gradual clearing should occur early Saturday, with sunshine Saturday afternoon and Sunday. High temperatures over the weekend should be seasonable, mainly in the 70s. Confidence: Medium
By
Jason Samenow
| September 22, 2008; 5:00 AM ET
Categories:
Forecasts
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Posted by: weatherdudeVA | September 22, 2008 6:25 AM | Report abuse
Finally took the plunge and slept with the windows wide open last night...fantastic! I'm sorry to hear that your allergies are bothering you so much, weatherdudeVA.
Happy Autumn, everyone!
Posted by: ~sg | September 22, 2008 8:10 AM | Report abuse
I believe the Equinox will be at 10:44 EDT today not 11:44.
Posted by: Equinox | September 22, 2008 8:11 AM | Report abuse
Equinox:
The Naval Observatory says the equinox will occur at 1544 UTC, so 1144 EDT would appear correct since EDT is 4 hours behind UTC.
Posted by: CM | September 22, 2008 8:20 AM | Report abuse
Forgot the link
http://aa.usno.navy.mil/data/docs/EarthSeasons.php
Posted by: CM | September 22, 2008 8:20 AM | Report abuse
Greetings from Mykonos, Greece. On my honeymoon, and wanted to see what the weather was like back home. Just left Santorini this morning. It was pouring rain, but a 20 minute flight via gulfstream 12 passenger puddle jumper put us in about 80 degrees and mostly cloudy. I'll take it!
Posted by: Kalorama Park | September 22, 2008 10:02 AM | Report abuse
We could use some rain though.
Posted by: Murre | September 22, 2008 11:58 AM | Report abuse
Happy fall everyone! The autumnal equinox was indeed at 11:44 a.m. local time.
Posted by: Dan, Capital Weather Gang | September 22, 2008 11:58 AM | Report abuse
Here we go again!!! I have a very important dance this Friday the 26th, and I will miss the likely Sunday night dance on Columbus Day weekend due to a family-involved wedding reception at Lake Holcombe, Wisconsin on Saturday, Oct. 11. The last thing I need is a windy, rainy coastal storm Friday night, but if it's a tropical system maybe it will be as bad as Hanna and cancel the dance. The last time they did a Friday night dance under such conditions was in 2004 the Friday when Ivan caused all the tornadoes. I had to stay home but only 25 or so attended the dance.
Nonetheless, some folks here are calling for rain to RUIN my weekend. I thought we were in a surplus position for this month. Hopefully this next coastal storm won't display such BAD TIMING!!!
Posted by: El Bombo | September 22, 2008 12:46 PM | Report abuse
Kalorama....why the heck are you here when you should be enjoying Greece and your new spouse!!! ;-) (Having been to both Santorini and Mykonos, I KNOW the scenery there is worth ignoring the gang here for a few days! LOL)
That said, I LOVE this weather. the temps at night are perfect for sleeping with the windows open.
Posted by: Kim in Manassas | September 22, 2008 3:24 PM | Report abuse
The comments to this entry are closed.
It better be a nice day today. I don't feel well (stupid allergies plus the fact I was around 7 cats this weekend, and I'm immensely allergic to cats), so I'm getting over that. It'll be nice to walk to/from school and breathe in air that isn't soupy. Whew. One good thing, haha.