Temperature
70 F at 12 AM; 70 F at its warmest, 11 PM Thursday, and 55 F at its coolest, 5 AM Thursday.
- Now
- 70F
- 12 AM
- Highest
- 70F
- 11 PM Thursday
- Lowest
- 55F
- 5 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Grimes Field, Ohio
Small airport in Champaign County, Ohio70°
61°/56°
Mostly cloudy·
Feels like 70°·Gentle breeze 11 mph SW
Coming up. Rain is likely early this morning, from about 1 AM (57%).
Now. Grimes Field is 70° and mostly cloudy at 1 AM. The dew point is 68°, so the air feels oppressive. Gentle breeze from the southwest at 11 mph.
Today and tonight. The warmest of the day has passed; it cools to about 50° by 8 PM. Tonight falls to about 37° 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 70°, and the coolest tomorrow, near 53°. Rain is possible tomorrow (39%). The first freeze could come Sunday, a low of 32°.
The sky tonight. The sun sets at 6:54 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:49 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.
0UV Low
54Air quality
94%Humidity
76%Cloud
Now
1:00 AM
70feels70
57%
Today
Oct 16
6156
61%
17mph
Sat
Oct 17
5337
39%
15mph
UV 6
Sun
Oct 18
6132
UV 6
Mon
Oct 19
6637
UV 6
Tue
Oct 20
6941
mostly clear day
Wed
Oct 21
6943
clear day
Thu
Oct 22
7043
clear day
70°
61°56°
53°37°
61°32°
66°37°
69°41°
69°43°
70°43°
As of 1:00 AM in Grimes Field, Ohio.
Air quality
The air at Grimes Field
Index 54, moderate, led by fine particles. Read at 12 AM from its reporting area, Dayton (OH), 35 miles off.
54Moderate
- Fine particles (PM2.5)54Moderate-
- Ozone20Good-
- Coarse particles (PM10)20Good-
The days ahead
Good each day through Mon Oct 19, led by fine particles. Yesterday measured 55, moderate.
GoodModerate
- 55YesterdayOct 15
- 50TodayOct 16
- 50SatOct 17
- 44SunOct 18
- 41MonOct 19
Smoke, the next 44 hours
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at Grimes Field
0.11 in in the last 24 hours, 0.30 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.11in
- Last 3 days
- 0.30in
3 days agoLast 24 hours 37%
Visibility
How far you can see at Grimes Field, the next 44 hours
Visibility stays 4 miles or more through Sat 8 PM, lowest 4 miles Fri 1 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- I74
- ICAO
- -
- IATA
- -
- Field elevation
- 1,068 ft
- Serves
- Urbana
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- I74
- Wind now
- From 220° at 12 mph, read 16 Oct, 00:35
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 02 / 20 | 4,400 ft | 100 ft | Asphalt | 18° / 198° | 11 mph head, on 20 | 4 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Urbana (I74), Grimes Field's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 69 F, the air 98% saturated; the humidity ran from 75% at 3 PM Thursday to 98% at 11 PM Thursday.
- Dew point now
- 69F
- 12 AM
- Humidity now
- 98%
- Humidity, range
- 75 to 98%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
10 mph from the southwest at 12 AM; at its strongest 10 mph, 4 AM Thursday, and no gust reported.
- Now
- 10mph
- from the southwest
- Strongest
- 10mph
- 4 AM Thursday
- Highest gust
- -
- none reported
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
29.86 inHg at 12 AM, falling 0.06 inHg over 3 hours; 0.29 inHg lower than a day before.
- Now
- 29.86inHg
- 12 AM
- 3 hours
- -0.06inHg
- falling
- 24 hours
- -0.29inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 5 miles at 11 PM Thursday; 7 miles now.
- Now
- 7mi
- Lowest
- 5mi
- 11 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 900 ft at 10 PM Thursday; a base was reported in 23 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 900ft
- 10 PM Thursday
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.06 in measured in the gauge, the most, 0.04 in, in the hour to 11 PM Thursday.
- Last 24 hours
- 0.06in
- Wettest hour
- 0.04in
- 11 PM Thursday
- Hours with some
- 2
How it is measured: ASOS, Field Book FB-INS-002
Urbana: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 6 instruments nearest Grimes Field, 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
UrbanaI74
At an airfield/0.0 mi away/1,050 ft/18 ft below here
temp, wind, gust, visibility, precip, pressure
19-US68 @ Slm 1.4OH019
Beside a road/7.5 mi away/964 ft/104 ft below here
temp, pavement temp, wind, visibility, precip
Molly Caren #1 ScanMOLO1
At a river or reservoir gauge/20.4 mi away/1,060 ft/8 ft below here
temp, wind, gust, humidity, pressure
Molly Caren #1S2014
At a soil climate station/20.4 mi away/1,060 ft/8 ft below here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Urbana 0.4 NNEOH-CH-11
In a volunteer observer's own ground/1.4 mi away/1,056 ft/12 ft below here
precip, snowfall, snow depth
Sewage PlantURBO1
At a cooperative observer's station/2.8 mi away/1,007 ft/61 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
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 Grimes Field
The nearest places, each with its own forecast and the instruments nearest it.
- Urbanacity, 2 mi
- Mutualvillage, 7 mi
- West Libertyvillage, 8 mi
- Tremont Cityvillage, 9 mi
- Northridgecommunity, 10 mi
- St. Parisvillage, 11 mi
- Mechanicsburgvillage, 11 mi
- Catawbavillage, 12 mi
- North Lewisburgvillage, 12 mi
- Lawrencevillecommunity, 12 mi
- Woodstockvillage, 12 mi
- Rosewoodcommunity, 12 mi
Airports near Grimes Field
- Bellefontaine Regional AirportEDJ, 17 mi
- Madison County AirportUYF, 21 mi
- Springfield-Beckley Municipal AirportSGH, 21 mi
- Union County AirportMRT, 22 mi
- Wright-Patterson Air Force BaseFFO, 26 mi
- James M. Cox Dayton International AirportDAY, 29 mi
- Greene County/Lewis A. Jackson Regional AirportGDK, 33 mi
- Hardin County AirportI95, 34 mi