Temperature
81 F at 8 PM; 95 F at its warmest, 1 PM, and 68 F at its coolest, 12 AM.
- Now
- 81F
- 8 PM
- Highest
- 95F
- 1 PM
- Lowest
- 68F
- 12 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/California/Corona Municipal Airport
Corona Municipal Airport, California
Small airport in Riverside County, California* WHAT...Easterly winds 15 to 20 mph with gusts 35 to 45 mph. Strongest below the San Gorgonio Pass. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult for high profile vehicles.
People are urged to secure loose objects that could be blown around or damaged by the wind.
81°
94°/63°
Clear·
Feels like 79°·Gentle breeze 12 mph SE
Alert. A High Wind Warning is in force for Corona Municipal Airport until 8 PM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Corona Municipal Airport is 81° and clear at 9 PM. The dew point is 42°, so the air feels dry and comfortable. Gentle breeze from the southeast at 12 mph.
Today and tonight. Tonight falls to about 68° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 90°, and the coolest Thursday, near 70°. Rain is likely Wednesday (74%). Rain is possible Tuesday (30%) and Thursday (47%).
The sky now. The Moon is a waxing crescent, 35% lit, and sets at 10:31 PM. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the 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 20 minutes long, 2 minutes shorter than yesterday.
0UV Low
37Air quality
25%Humidity
1%Cloud
Now
9:00 PM
81feels79
12mph
Today
Oct 16
9463
25mph
UV 7
Sat
Oct 17
9065
19mph
UV 6
Sun
Oct 18
8959
UV 7
Mon
Oct 19
8657
13mph
UV 6
Tue
Oct 20
7954
30%
UV 6
Wed
Oct 21
7251
74%
Thu
Oct 22
7048
47%
81°
94°63°
90°65°
89°59°
86°57°
79°54°
72°51°
70°48°
As of 9:00 PM in Corona Municipal Airport, California.
Air quality
The air at Corona Municipal Airport
Index 37, good, led by ozone. Read at 9 PM from its reporting area, Metro Riverside CO (CA), 13 miles off.
37Good
- Fine particles (PM2.5)32Good9.1 mi
- Ozone37Good39 ppb9.1 mi
- Coarse particles (PM10)27Good9.1 mi
- Nitrogen dioxide5Good5.1 ppb9.1 mi
- Sulfur dioxide0Good0 ppb12.6 mi
- Carbon monoxide-0.1 ppm12.4 mi
The days ahead
Highest 83, moderate, today, led by coarse particles. Yesterday measured 44, good.
GoodModerate
- 44YesterdayOct 15
- 83TodayOct 16
- 44SatOct 17
Smoke, the next 45 hours
Little smoke near the ground through Sun 5 PM: the index from smoke stays at 11 or under.
Precipitation
What has fallen at Corona Municipal Airport
None in the last 3 days, to Fri 8 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at Corona Municipal Airport, the next 45 hours
Visibility stays 10 miles or more through Sun 5 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- AJO
- ICAO
- KAJO
- IATA
- -
- Field elevation
- 533 ft
- Serves
- Corona
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- AJO
- Wind now
- From 60° at 8 mph, read 16 Oct, 20:56
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 07 / 25 | 3,200 ft | 60 ft | Asphalt | 91° / 271° | 7 mph head, on 07 | 4 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Corona (AJO), Corona Municipal Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 43 F, the air 26% saturated; the humidity ran from 16% at 2 PM to 40% at 12 AM.
- Dew point now
- 43F
- 8 PM
- Humidity now
- 26%
- Humidity, range
- 16 to 40%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
6 mph from the east southeast at 9 PM; at its strongest 19 mph, 4 AM, with a gust of 30 mph at 1 AM.
- Now
- 6mph
- from the east southeast
- Strongest
- 19mph
- 4 AM
- Highest gust
- 30mph
- 1 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.02 inHg at 9 PM, steady over 3 hours; 0.03 inHg higher than a day before.
- Now
- 30.02inHg
- 9 PM
- 3 hours
- +0.02inHg
- steady
- 24 hours
- +0.03inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
10 miles or more every hour.
- Now
- 10+mi
- Lowest
- 10+mi
- 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 100 ft at 5 PM; a base was reported in 1 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 100ft
- 5 PM
- Hours with a base reported
- 1
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- -
- Hours with some
- 0
How it is measured: ASOS, Field Book FB-INS-002
Corona: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest Corona Municipal 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
CoronaAJO
At an airfield/0.0 mi away/533 ft/level with here
temp, wind, gust, visibility, precip, pressure
Corona RAWSCNAC1
A remote fire weather station/3.4 mi away/630 ft/97 ft above here
temp, wind, gust, humidity, pressure
I-15 : Jurupa AvenueCF174
Beside a road/10.8 mi away/908 ft/375 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Norco 1.7 WCA-RV-28
In a volunteer observer's own ground/2.2 mi away/626 ft/93 ft above here
precip, snowfall, snow depth
At a cooperative observer's station/12.8 mi away/850 ft/317 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in California
33 places, each with its own forecast and its own instruments.
Big Bear Mountainski areaBishopcityBridgeporttownChina Peakski areaDodge Ridgeski areaDonner PassfeatureFresnocityHeavenlysurveyed ski areaHomewoodski areaJune Mountainski areaKirkwoodsurveyed ski areaLos AngelescityMammoth LakestownMammoth Mountainsurveyed ski areaMount ShastafeatureMount Shasta CitycityMount Shasta Ski Parkski areaMount WhitneyfeatureMountain Highski areaNorthstarsurveyed ski areaPalisades Tahoesurveyed ski areaReddingcitySacramentocitySan DiegocitySan FranciscocitySierra NevadafeatureSierra-at-Tahoeski areaSnow Valleyski areaSouth Lake TahoecitySugar Bowlski areaSusanvillecityTruckeetownYosemitefeature
Near Corona Municipal Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Coronitacommunity, 2 mi
- Coronacity, 3 mi
- Norcocity, 3 mi
- Eastvalecity, 5 mi
- Home Gardenscommunity, 5 mi
- El Cerritocommunity, 6 mi
- El Sobrantecommunity, 9 mi
- Chino Hillscity, 9 mi
- Chinocity, 9 mi
- Jurupa Valleycity, 10 mi
- Silveradocommunity, 11 mi
- Yorba Lindacity, 11 mi
Airports near Corona Municipal Airport
- Chino AirportCNO, 6 mi
- Riverside Municipal AirportRAL, 10 mi
- Ontario International AirportONT, 11 mi
- Upland-Cable AirportCCB, 16 mi
- Brackett FieldPOC, 17 mi
- March Air Reserve BaseRIV, 20 mi
- John Wayne Orange County International AirportSNA, 22 mi
- Fullerton Municipal AirportFUL, 22 mi