Temperature
73 F at 12 AM; 73 F at its warmest, 12 AM, and 60 F at its coolest, 9 AM Thursday.
- Now
- 73F
- 12 AM
- Highest
- 73F
- 12 AM
- Lowest
- 60F
- 9 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Tomorrow is 8 degrees cooler: a high of 53° after 61° today.
Now. Warren County Airport/John Lane Field is 72° and partly cloudy at 3 AM. The dew point is 66°, so the air feels oppressive. Light breeze from the southwest at 8 mph.
Today and tonight. The warmest of the day has passed; it cools to about 51° by 8 PM. Tonight falls to about 40° by 8 AM, under a mostly clear sky. 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 71°, and the coolest tomorrow, near 53°. The days ahead look dry. Frost is possible Sunday morning, a low of 33°.
The sky tonight. The sun sets at 6:57 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:53 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 sky is forecast to stay clear: a good night to look up. The day is 11 hours 10 minutes long, 3 minutes shorter than yesterday.
As of 3:00 AM in Warren County Airport/John Lane Field, Ohio.
Air quality
Index 54, moderate, led by fine particles. Read at 2 AM from its reporting area, Dayton (OH), 21 miles off.
Good each day through Mon Oct 19, led by fine particles. Yesterday measured 41, 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; 0.04 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 6 miles Fri 11 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 01 / 19 | 4,505 ft | 75 ft | Asphalt | 4° / 184° | 5 mph head, on 19 | 5 mph from the right |
Measured here
Every hour from Lebanon (I68), Warren County Airport/John Lane Field's own instrument, measure by measure, on the field's own clock.
73 F at 12 AM; 73 F at its warmest, 12 AM, and 60 F at its coolest, 9 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 69 F, the air 85% saturated; the humidity ran from 85% at 12 AM to 100% at 8 PM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
8 mph from the southwest at 12 AM; at its strongest 11 mph, 9 PM Thursday, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.88 inHg at 12 AM, falling 0.03 inHg over 3 hours; 0.22 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 2 miles at 8 AM Thursday; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 600 ft at 9 PM Thursday; a base was reported in 21 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.01 in measured in the gauge, the most, 0.01 in, in the hour to 9 AM Thursday.
How it is measured: ASOS, Field Book FB-INS-002
Lebanon: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Warren County Airport/John Lane Field, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.
measured now3 instruments
LebanonI68
At an airfield/0.3 mi away/895 ft/3 ft below here
temp, wind, gust, visibility, precip, pressure
73-IR75 MM 29OH065
Beside a road/4.8 mi away/688 ft/210 ft below here
temp, pavement temp, wind, visibility, precip
AmeliaAMEO1
At a river or reservoir gauge/30.5 mi away/877 ft/21 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Lebanon 4.8 NOH-WR-55
In a volunteer observer's own ground/3.4 mi away/983 ft/85 ft above here
precip, snowfall, snow depth
At a cooperative observer's station/7.0 mi away/671 ft/227 ft below here
snowfall, snow depth, precip, high, low
0in
Snow on the ground
Measured at Great Miami AT Franklin (FKNO1), 7.0 miles from here, read 12 Oct, 07:00. measured daily
24 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.