Temperature
53 F at 11 AM; 71 F at its warmest, 10 PM Thursday, and 53 F at its coolest, 11 AM.
- Now
- 53F
- 11 AM
- Highest
- 71F
- 10 PM Thursday
- Lowest
- 53F
- 11 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
James M. Cox Dayton International Airport, Ohio
Medium airport in Montgomery County, Ohio53°
59°/55°
Light rain·
Feels like 53°·Gentle breeze 11 mph WNW
Coming up. Rain is likely this afternoon, from about 12 PM (59%).
Now. James M. Cox Dayton International Airport is 53° and light rain at 12 PM. The dew point is 49°, so the air feels dry and comfortable. Gentle breeze from the west-northwest at 11 mph.
Today and tonight. It warms to about 56° by 12 PM. Tonight falls to about 39° by 8 AM, under a mostly clear sky.
The week. The warmest day ahead is Thursday, near 70°, and the coolest tomorrow, near 52°. The days ahead look dry. Frost is possible Sunday morning, a low of 33°.
The sky tonight. The sun sets at 6:56 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:52 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 9 minutes long, 3 minutes shorter than yesterday.
2UV Low
16Air quality
89%Humidity
99%Cloud
Now
12:00 PM
53feels53
59%
Today
Oct 16
5955
80%
17mph
Sat
Oct 17
5239
16mph
Sun
Oct 18
6033
clear day
Mon
Oct 19
6437
clear day
Tue
Oct 20
6840
mostly clear day
Wed
Oct 21
6943
mostly clear day
Thu
Oct 22
7044
clear day
53°
59°55°
52°39°
60°33°
64°37°
68°40°
69°43°
70°44°
As of 12:00 PM in James M. Cox Dayton International Airport, Ohio.
Air quality
The air at James M. Cox Dayton International Airport
Index 16, good, led by ozone. Read at 12 PM from its reporting area, Dayton (OH), 10 miles off.
16Good
- Fine particles (PM2.5)15Good-
- Ozone16Good-
- Coarse particles (PM10)6Good-
The days ahead
Good each day through Mon Oct 19, led by fine particles. Yesterday measured 41, good.
GoodModerate
- 41YesterdayOct 15
- 50TodayOct 16
- 50SatOct 17
- 44SunOct 18
- 41MonOct 19
Smoke, the next 45 hours
No smoke near the ground through Sun 8 AM.
Precipitation
What has fallen at James M. Cox Dayton International Airport
0.20 in in the last 24 hours, 0.68 in over the last 3 days, to Fri 11 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.20in
- Last 3 days
- 0.68in
3 days agoLast 24 hours 29%
Visibility
How far you can see at James M. Cox Dayton International Airport, the next 45 hours
Visibility stays 3 miles or more through Sun 8 AM, lowest 4 miles Fri 10 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- DAY
- ICAO
- KDAY
- IATA
- DAY
- Field elevation
- 1,009 ft
- Serves
- Dayton
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- DAY
- Wind now
- From 310° at 12 mph, read 16 Oct, 11:56
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 06L / 24R | 10,901 ft | 150 ft | Asphalt and concrete | 55° / 235° | 3 mph head, on 24R | 12 mph from the right |
| 06R / 24L | 7,285 ft | 150 ft | Asphalt and concrete | 55° / 235° | 3 mph head, on 24L | 12 mph from the right |
| 18 / 36 | 8,502 ft | 150 ft | Asphalt and concrete | 179° / 359° | 8 mph head, on 36 | 9 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Dayton (DAY), James M. Cox Dayton International Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 50 F, the air 89% saturated; the humidity ran from 73% at 3 PM Thursday to 93% at 10 PM Thursday.
- Dew point now
- 50F
- 11 AM
- Humidity now
- 89%
- Humidity, range
- 73 to 93%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
13 mph from the west northwest at 12 PM; at its strongest 20 mph, 6 AM, with a gust of 31 mph at 6 AM.
- Now
- 13mph
- from the west northwest
- Strongest
- 20mph
- 6 AM
- Highest gust
- 31mph
- 6 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.00 inHg at 12 PM, rising 0.04 inHg over 3 hours; 0.08 inHg lower than a day before.
- Now
- 30.00inHg
- 12 PM
- 3 hours
- +0.04inHg
- rising
- 24 hours
- -0.08inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 2 miles at 7 PM Thursday; 9 miles now.
- Now
- 9mi
- Lowest
- 2mi
- 7 PM Thursday
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 800 ft at 10 PM Thursday; a base was reported in 24 of the hours.
- Lowest base now
- 1,600ft
- Lowest in 24 hours
- 800ft
- 10 PM Thursday
- Hours with a base reported
- 24
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.19 in measured in the gauge, the most, 0.07 in, in the hour to 7 PM Thursday.
- Last 24 hours
- 0.19in
- Wettest hour
- 0.07in
- 7 PM Thursday
- Hours with some
- 13
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
What is measuring near here
The 4 instruments nearest James M. Cox Dayton International Airport, 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 now2 instruments
DaytonDAY
At an airfield/0.3 mi away/1,001 ft/8 ft below here
temp, wind, gust, visibility, precip, pressure
75-IR75 MM 65OH067
Beside a road/2.6 mi away/906 ft/103 ft below here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Vandalia 1.8 WSWOH-MY-66
In a volunteer observer's own ground/2.1 mi away/1,013 ft/4 ft above here
precip, snowfall, snow depth
Tipp CityTIPO1
At a cooperative observer's station/4.2 mi away/899 ft/110 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Tipp City (TIPO1), 4.2 miles from here, read 16 Oct, 08:00. measured daily
Elsewhere in Ohio
24 places, each with its own forecast and its own instruments.
AkroncityAshtabulacityAshtabula LighthouselighthouseBoston Millsski areaChardoncityCincinnaticityClevelandcityColumbuscityDaytoncityFindlaycityGeneva-on-the-LaketownHocking HillsfeatureLimacityMad River Mountainski areaMansfieldcityMariettacityPut-in-BaytownSanduskycitySnow Trailsski areaSpringfieldcityToledocityWoostercityYoungstowncityZanesvillecity
Near James M. Cox Dayton International Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Vandaliacity, 2 mi
- Tipp Citycity, 5 mi
- Unioncity, 5 mi
- Claytoncity, 5 mi
- Englewoodcity, 5 mi
- Huber Heightscity, 6 mi
- Shilohcommunity, 6 mi
- Brandtcommunity, 7 mi
- West Miltonvillage, 7 mi
- Fort McKinleycommunity, 7 mi
- Trotwoodcity, 8 mi
- Ludlow Fallsvillage, 9 mi
Airports near James M. Cox Dayton International Airport
- Wright-Patterson Air Force BaseFFO, 10 mi
- Greene County/Lewis A. Jackson Regional AirportGDK, 19 mi
- Springfield-Beckley Municipal AirportSGH, 21 mi
- Dayton-Wright Brothers AirportMGY, 22 mi
- Darke County AirportVES, 27 mi
- Middletown Regional AirportMWO, 27 mi
- Grimes FieldI74, 29 mi
- Warren County Airport/John Lane FieldI68, 30 mi