Citizen station FW7729FW7729
In a volunteer observer's own ground/2.7 mi away/420 ft/99 ft above here
temp, humidity, wind, precip, pressure
Severe Thunderstorm Watch, in full · Every severe alert
Alert. A Severe Thunderstorm Watch is in force for Merrifield until 8 PM today. 1 more alert is in force here as well. Read the alert in full, and see what it means in the Field Book. Tomorrow is 27 degrees cooler: a high of 55° after 82° today.
Now. Merrifield is 78° and mostly clear at 6 PM. The dew point is 69°, so the air feels oppressive. Light breeze from the west-southwest at 7 mph.
Today and tonight. Tonight falls to about 49° by 8 AM, under cloud. Air quality is moderate (index 54): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is Tuesday, near 64°, and the coolest tomorrow, near 55°. Rain is likely tomorrow (61%).
The sky tonight. The sun sets at 6:29 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:26 PM. The next full Moon is Monday, Oct 26. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 11 hours 11 minutes long, 3 minutes shorter than yesterday.
As of 6:00 PM in Merrifield, Virginia.
Air quality
Index 54, moderate, led by fine particles. Read at 5 PM from its reporting area, Northern Virginia (VA), 12 miles off.
Good each day through Wed Oct 21, led by fine particles. Yesterday measured 28, good.
Little smoke near the ground through Sun 2 PM: the index from smoke stays at 6 or under.
Precipitation
0.03 in in the last 24 hours, 0.09 in over the last 3 days, to Fri 5 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 3 miles or more through Sun 2 PM, lowest 4 miles Sat 4 AM.
F
Now, today, and the week
On the radar over Merrifield, VirginiaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
The 5 instruments nearest Merrifield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.
measured now3 instruments
Citizen station FW7729FW7729
In a volunteer observer's own ground/2.7 mi away/420 ft/99 ft above here
temp, humidity, wind, precip, pressure
Met STN At Maintenance Yard At Falls Church385334077112801
At a river or reservoir gauge/3.1 mi away/359 ft/38 ft above here
temp, wind, gust, humidity, pressure
At an airfield/11.4 mi away/66 ft/255 ft below here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Merrifield 1.2 SEVA-FX-126
In a volunteer observer's own ground/1.3 mi away/390 ft/69 ft above here
precip, snowfall, snow depth
Dunn LoringDNLV2
At a cooperative observer's station/2.3 mi away/489 ft/168 ft above here
snowfall, snow depth, precip, high, low
Station report
The nearest airport reporting now, 11.4 mi from Merrifield, Virginia. From its report of Oct 16, 2026, 5:52 PM local time: 3 of its 6 sheets.
A few clouds at 3,500 ft; visibility 10 mi or more.
77.0 F with a dew point of 69.0 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,900 ft up; the lowest cloud reported is at 3,500 ft.
From the south (180 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 23 mph.
0in
Snow on the ground
Measured at Dunn Loring (DNLV2), 2.3 miles from here, read 16 Oct, 08:00. measured daily
16 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.