Temperature
68 F at 10 PM; 68 F at its warmest, 10 PM, and 57 F at its coolest, 7 AM.
- Now
- 68F
- 10 PM
- Highest
- 68F
- 10 PM
- Lowest
- 57F
- 7 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Rain is likely this afternoon, from about 12 PM (52%).
Now. Fairfield County Airport is 71° and clear at 3 AM. The dew point is 65°, so the air feels humid and sticky. Gentle breeze from the southwest at 10 mph.
Today and tonight. The warmest of the day has passed; it cools to about 52° by 8 PM. Tonight falls to about 40° by 8 AM, with some 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 Thursday, near 69°, and the coolest tomorrow, near 54°. Rain is possible tomorrow (43%). The first freeze could come Sunday, a low of 31°.
The sky tonight. The sun sets at 6:50 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:46 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. The day is 11 hours 9 minutes long, 3 minutes shorter than yesterday.
As of 3:00 AM in Fairfield County Airport, Ohio.
Air quality
Index 54, moderate, led by fine particles. Read at 2 AM from its reporting area, Columbus (OH), 23 miles off.
Good each day through Tue Oct 20, led by fine particles. Yesterday measured 47, good.
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.
Precipitation
None in the last 24 hours; 0.47 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 5 miles or more through Sat 8 PM, lowest 5 miles Fri 2 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 10 / 28 | 5,003 ft | 75 ft | Asphalt | 94° / 274° | 6 mph head, on 28 | 8 mph from the left |
Measured here
Every hour from Lancaster (LHQ), Fairfield County Airport's own instrument, measure by measure, on the field's own clock.
68 F at 10 PM; 68 F at its warmest, 10 PM, and 57 F at its coolest, 7 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 66 F, the air 93% saturated; the humidity ran from 76% at 2 PM to 93% at 10 PM.
How it is measured: Humidity variables, Field Book FB-WAT-002
7 mph from the south southeast at 10 PM; at its strongest 8 mph, 4 AM, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.93 inHg at 10 PM, falling 0.07 inHg over 3 hours; 0.18 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 6 miles at 3 PM; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 700 ft at 9 PM; a base was reported in 24 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
Lancaster: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Fairfield County 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 now3 instruments
LancasterLHQ
At an airfield/0.0 mi away/853 ft/15 ft below here
temp, wind, gust, visibility, precip, pressure
12-US-33 @ SR793OH012
Beside a road/6.4 mi away/1,036 ft/168 ft above here
temp, pavement temp, wind, visibility, precip
Raccoon Creek AT GranvilleGRNO1
At a river or reservoir gauge/22.4 mi away/902 ft/34 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Lancaster 2.1 WNWOH-FF-61
In a volunteer observer's own ground/1.9 mi away/826 ft/42 ft below here
precip, snowfall, snow depth
LancasterLANO1
At a cooperative observer's station/3.8 mi away/837 ft/31 ft below here
snowfall, snow depth, precip, high, low
-
Snow on the ground
24 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.