Temperature
73 F at 12 AM; 73 F at its warmest, 12 AM, and 59 F at its coolest, 8 AM Thursday.
- Now
- 73F
- 12 AM
- Highest
- 73F
- 12 AM
- Lowest
- 59F
- 8 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Tomorrow is 9 degrees cooler: a high of 53° after 62° today.
Now. Greene County/Lewis A. Jackson Regional Airport is 73° and partly cloudy at 1 AM. The dew point is 70°, so the air feels oppressive. Gentle breeze from the southwest at 12 mph.
Today and tonight. The warmest of the day has passed; it cools to about 52° by 8 PM. Tonight falls to about 39° 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 71°, and the coolest tomorrow, near 53°. Rain is possible tomorrow (39%). Frost is possible Sunday morning, a low of 34°.
The sky tonight. The sun sets at 6:55 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:51 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 1:00 AM in Greene County/Lewis A. Jackson Regional Airport, Ohio.
Air quality
Index 54, moderate, led by fine particles. Read at 12 AM from its reporting area, Dayton (OH), 12 miles off.
Good each day through Mon Oct 19, led by fine particles. Yesterday measured 55, moderate.
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; 0.06 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.
Visibility
Mist or haze: visibility falls to 2 miles Fri 8 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 07 / 25 | 5,004 ft | 75 ft | Asphalt | 63° / 243° | 12 mph head, on 25 | 3 mph from the left |
Measured here
Every hour from Dayton (GDK), Greene County/Lewis A. Jackson Regional Airport'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 59 F at its coolest, 8 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 70 F, the air 89% saturated; the humidity ran from 78% at 1 PM Thursday to 98% at 10 PM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
11 mph from the southwest at 12 AM; at its strongest 13 mph, 11 PM Thursday, with a gust of 23 mph at 11 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.86 inHg at 12 AM, falling 0.04 inHg over 3 hours; 0.25 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 0.8 miles at 8 AM Thursday, under a mile for 5 hours; 9 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 300 ft at 12 AM; a base was reported in 23 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
Dayton: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Greene County/Lewis A. Jackson 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 now4 instruments
DaytonGDK
At an airfield/0.0 mi away/925 ft/24 ft below here
temp, wind, gust, visibility, precip, pressure
IR 675 North of Feedwire RdOH182
Beside a road/6.0 mi away/951 ft/2 ft above here
temp, pavement temp, wind, visibility, precip
Molly Caren #1 ScanMOLO1
At a river or reservoir gauge/33.9 mi away/1,060 ft/111 ft above here
temp, wind, gust, humidity, pressure
Molly Caren #1S2014
At a soil climate station/33.9 mi away/1,060 ft/111 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Xenia 1.7 WSWOH-GR-38
In a volunteer observer's own ground/1.8 mi away/931 ft/18 ft below here
precip, snowfall, snow depth
Xenia 3NXNAO1
At a cooperative observer's station/5.9 mi away/910 ft/39 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.