Temperature
84 F at 7 PM; 94 F at its warmest, 1 PM, and 57 F at its coolest, 5 AM.
- Now
- 84F
- 7 PM
- Highest
- 94F
- 1 PM
- Lowest
- 57F
- 5 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/California/Los Alamitos Army Air Field
Los Alamitos Army Air Field, California
Medium airport in Orange County, CaliforniaHeat Advisory, in full · Every severe alert
* WHAT...For the Wind Advisory, northeast winds 20 to 30 mph with gusts 35 to 55 mph expected. Strongest winds will be near the foothills and in canyons of the Santa Ana mountains, with gusts up to 70 mph possible. For the Heat Advisory, temperatures up to 95 degrees * WHERE...Orange County Inland Areas. * WHEN...For the Heat Advisory, until 8 PM PDT Saturday. For the Wind Advisory, until noon PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Moderate to locally major HeatRisk. Those sensitive to heat may be impacted.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
84°
95°/63°
Clear·
Feels like 81°·Gentle breeze 9 mph WSW
Alert. A Heat Advisory is in force for Los Alamitos Army Air Field until 8 PM Saturday. 1 more alert is in force here as well. Read the alert in full, and see what it means in the Field Book.
Now. Los Alamitos Army Air Field is 84° and clear at 9 PM. The dew point is 36°, so the air feels dry and comfortable. Gentle breeze from the west-southwest at 9 mph.
Today and tonight. Tonight falls to about 72° by 6 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 99°, and the coolest Wednesday, near 71°. Rain is likely Tuesday (57%) and Wednesday (62%). Tomorrow is hot, 99°: heat is a danger to anyone outdoors for long.
The sky now. The Moon is a waxing crescent, 26% lit, and sets at 9:40 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 22 minutes long, 2 minutes shorter than yesterday.
0UV Low
36Air quality
18%Humidity
0%Cloud
Now
9:00 PM
84feels81
now, clear
Today
Oct 15
9563
13mph
UV 7
Fri
Oct 16
9971
16mph
UV 7
Sat
Oct 17
9473
UV 6
Sun
Oct 18
8867
UV 6
Mon
Oct 19
8265
UV 6
Tue
Oct 20
7362
57%
16mph
Wed
Oct 21
7158
62%
84°
95°63°
99°71°
94°73°
88°67°
82°65°
73°62°
71°58°
As of 9:00 PM in Los Alamitos Army Air Field, California.
Air quality
The air at Los Alamitos Army Air Field
Index 36, good, led by ozone. Read at 8 PM from its reporting area, Central Orange (CA), 5 miles off.
36Good
- Fine particles (PM2.5)12Good7 mi
- Ozone36Good40 ppb7 mi
- Coarse particles (PM10)28Good7 mi
- Nitrogen dioxide4Good4 ppb7 mi
- Sulfur dioxide0Good0.4 ppb21.6 mi
- Carbon monoxide-0.2 ppm7.8 mi
The days ahead
Moderate each day through Fri Oct 16, led by fine particles. Yesterday measured 44, good.
GoodModerate
- 44YesterdayOct 14
- 53TodayOct 15
- 64FriOct 16
Smoke, the next 45 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 11 or under.
Precipitation
What has fallen at Los Alamitos Army Air Field
None in the last 3 days, to Thu 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 Los Alamitos Army Air Field, the next 45 hours
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- SLI
- ICAO
- KSLI
- IATA
- -
- Field elevation
- 32 ft
- Serves
- Los Alamitos
- Kind
- Medium airport
- Scheduled service
- No
- Its own instrument
- SLI
- Wind now
- From 50° at 9 mph, read 15 Oct, 20:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 04L / 22R | 5,901 ft | 150 ft | Asphalt and concrete | 55° / 235° | 9 mph head, on 04L | 1 mph from the left |
| 04R / 22L | 7,999 ft | 200 ft | Asphalt | 55° / 235° | 9 mph head, on 04R | 1 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Los Alamitos AAF (SLI), Los Alamitos Army Air Field's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 39 F, the air 21% saturated; the humidity ran from 12% at 2 PM to 79% at 11 PM Wednesday.
- Dew point now
- 39F
- 7 PM
- Humidity now
- 21%
- Humidity, range
- 12 to 79%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
6 mph from the north northeast at 7 PM; at its strongest 10 mph, 1 PM, with a gust of 21 mph at 1 PM.
- Now
- 6mph
- from the north northeast
- Strongest
- 10mph
- 1 PM
- Highest gust
- 21mph
- 1 PM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
29.88 inHg at 7 PM, steady over 3 hours; 0.12 inHg lower than a day before.
- Now
- 29.88inHg
- 7 PM
- 3 hours
- +0.02inHg
- steady
- 24 hours
- -0.12inHg
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 1,500 ft at 3 PM; a base was reported in 7 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 1,500ft
- 3 PM
- Hours with a base reported
- 7
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
Los Alamitos AAF: 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 Los Alamitos Army Air Field, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.
measured now3 instruments
At an airfield/0.1 mi away/36 ft/4 ft above here
temp, wind, gust, visibility, precip, pressure
Whittier Hills- RAWS #5195WTHC1
A remote fire weather station/13.5 mi away/850 ft/818 ft above here
temp, wind, gust, humidity, pressure
I-15 : Jurupa AvenueCF174
Beside a road/33.7 mi away/908 ft/876 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Los Alamitos 1.3 WSWCA-OR-56
In a volunteer observer's own ground/1.7 mi away/12 ft/20 ft below here
precip, snowfall, snow depth
Santa Ana Fire STNSTAC1
At a cooperative observer's station/11.0 mi away/125 ft/93 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.
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Near Los Alamitos Army Air Field
The nearest places, each with its own forecast and the instruments nearest it.
- Los Alamitoscity, 1 mi
- Rossmoorcommunity, 2 mi
- Cypresscity, 2 mi
- Seal Beachcity, 3 mi
- Hawaiian Gardenscity, 3 mi
- Stantoncity, 3 mi
- La Palmacity, 4 mi
- Westminstercity, 4 mi
- Midway Citycommunity, 5 mi
- Buena Parkcity, 5 mi
- Cerritoscity, 5 mi
- Artesiacity, 6 mi
Airports near Los Alamitos Army Air Field
- Long Beach International AirportLGB, 6 mi
- Fullerton Municipal AirportFUL, 7 mi
- John Wayne Orange County International AirportSNA, 13 mi
- Zamperini FieldTOA, 17 mi
- Jack Northrop Field Hawthorne Municipal AirportHHR, 19 mi
- San Gabriel Valley AirportEMT, 20 mi
- Los Angeles International AirportLAX, 23 mi
- Brackett FieldPOC, 26 mi