Temperature
66 F at 4 AM; 81 F at its warmest, 1 PM Thursday, and 66 F at its coolest, 4 AM.
- Now
- 66F
- 4 AM
- Highest
- 81F
- 1 PM Thursday
- Lowest
- 66F
- 4 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Rain is likely late tonight, from about 2 AM, the chance peaking at 86% around 5 AM.
Now. Lake Country Regional Airport is 66° and overcast at 4 AM. The dew point is 65°, so the air feels humid and sticky. The air is calm.
Today and tonight. It warms to about 86° by 2 PM. Tonight falls to about 52° by 8 AM, under cloud. The sun is strong around midday: UV index 6, high. Unprotected skin can burn in under half an hour.
The week. The warmest day ahead is Wednesday, near 68°, and the coolest tomorrow, near 57°. Rain is likely tomorrow (97%).
The sky tonight. The sun sets at 6:37 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:40 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 16 minutes long, 2 minutes shorter than yesterday.
As of 4:00 AM in Lake Country Regional Airport, Virginia.
Air quality
Index 24, good, led by ozone. Read at 4 AM from its reporting area, Granville County (NC), 21 miles off.
Highest 58, moderate, today, led by ozone. Yesterday measured 42, good.
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 22 or under.
Precipitation
None in the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.
Visibility
Mist or haze: visibility falls to 2 miles Fri 10 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 04 / 22 | 4,007 ft | 50 ft | Asphalt | 28° / 208° | Calm | Calm |
Measured here
Every hour from Clarksville / Marks (W63), Lake Country Regional Airport's own instrument, measure by measure, on the field's own clock.
66 F at 4 AM; 81 F at its warmest, 1 PM Thursday, and 66 F at its coolest, 4 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 66 F, the air 100% saturated; the humidity ran from 66% at 1 PM Thursday to 100% at 4 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
Calm at 4 AM; at its strongest 8 mph, 3 PM Thursday, with a gust of 18 mph at 8 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.03 inHg at 4 AM, falling 0.04 inHg over 3 hours; 0.02 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 3 miles at 4 AM; 3 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 300 ft at 4 AM; a base was reported in 14 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Clarksville / Marks: every reading, the last 7 days, 30 days and the year, and how well it reports
The 3 instruments nearest Lake Country Regional Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now1 instrument
At an airfield/0.0 mi away/377 ft/44 ft below here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
ClarksvilleCLAV2
At a cooperative observer's station/1.7 mi away/348 ft/73 ft below here
snowfall, snow depth, precip, high, low
Virgilina 6.2 NVA-HL-8
In a volunteer observer's own ground/12.0 mi away/468 ft/47 ft above here
precip, snowfall, snow depth
-
Snow on the ground
16 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.