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Rosslyn, VA Weather
Current conditions
Observed at Washington/Reagan National Airport, DC · 33 min ago
Forecast
10-day-
This Afternoon
Sunny, with a high near 65. North wind around 9 mph.
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Tonight
Clear, with a low around 43. North wind 5 to 8 mph.
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Thursday
Sunny, with a high near 66. Northwest wind 7 to 10 mph.
National Weather Service forecast updated 2 hrs ago.
Hourly
Hourly forecast- Now65°
- 6 PM63°
- 7 PM59°
- 8 PM54°
- 9 PM52°
- 10 PM51°
- 11 PM49°
- Thu12 AM48°
- 1 AM47°
- 2 AM46°
- 3 AM45°
- 4 AM45°
- 5 AM44°
- 6 AM43°
- 7 AM43°
- 8 AM43°
- 9 AM47°
- 10 AM53°
- 11 AM57°
- 12 PM60°
- 1 PM63°
- 2 PM65°
- 3 PM66°
- 4 PM66°
Daily forecast
Details- TodayOct 21Sunny43°65°
- ThuOct 22Sunny47°66°
- FriOct 23Sunny41°63°
- SatOct 24Sunny43°63°
- SunOct 25Sunny44°65°
- MonOct 26Sunny48°68°
- TueOct 27Mostly Sunny49°68°
- WedOct 28Light rain0.03 in50°64°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Rosslyn
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- WedGood (33)
- ThuGood (28)
- FriGood (33)
Northern Virginia and DC, DC reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyWashington Area, records since 1871. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Washington 3 km
- Arlington 3 km
- Alexandria 10 km
- Columbia 43 km
- Germantown 35 km
- Silver Spring 11 km
- Centreville 31 km
- Waldorf 32 km
- Glen Burnie 49 km
- Gaithersburg 30 km
- Rockville 22 km
- Dale City 36 km
Forecasters' discussion
From the National Weather Service office in LWX, issued 3 hrs ago
What Has Changed
Some adjustments made to lower dew points through Friday as NBM was too high given dry airmass. The Small Craft Advisory has been extended through Thursday evening.
Key Messages
- 1) Dry conditions and seasonable temperatures through early next week, with frost possible this weekend.
Discussion
KEY MESSAGE 1...Dry conditions and seasonable temperatures through early next week, with frost possible this weekend.
Omega block sets up across the CONUS with stout cutoff lows along the Western and Eastern coasts. Ridging across the central to eastern CONUS will maintain dry conditions over the Mid-Atlantic for the foreseeable future. Seasonal temperatures expected as highs generally reach the 60s each day, then fall back to the 30s to 40s at night. The omega block begins to shift eastward late this week, eventually breaking down over the weekend into the start of next week. This allows a series of surface high pressure systems to pass through the region, with dry cold fronts reinforcing the cooler, albeit seasonal, temperatures. One of these highs that passes directly overhead Friday into the weekend will allow for strong radiational cooling to occur. We could experience colder temps than currently forecast Friday night and Saturday night. If temps drop to the low to mid 30s along and west of I-95, frost will be possible. A slight warm up in temps to around 70F for next Monday and Tuesday.
Aviation
Prevailing VFR conditions are expected through Thursday with surface high pressure overhead. Dry conditions will prevail with light north winds today at less than 15 kts switching to the northwest Thursday. Highest winds will be at terminals (along and east of I- 95) near the waters with occasional gusts between 15-20 kts mainly during the late morning and afternoon hours. Winds will switch to the northeast Friday into Saturday at less than 15 kts.
VFR conditions continue Saturday through Monday with light and variable winds expected.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.