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Ramona Airport, California

Small airport in San Diego County, California

Air quality

The air at Ramona Airport

Index 41, good, led by ozone. Read at 1 AM from its reporting area, San Diego Foothills (CA), 9 miles off.

41Good
  • Fine particles (PM2.5)11Good16.2 mi
  • Ozone41Good42 ppb16.2 mi
  • Coarse particles (PM10)15Good16.2 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 9, good.

Smoke, the next 40 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 28 or under.

FriSat

Precipitation

What has fallen at Ramona Airport

None in the last 3 days, to Fri 12 AM. 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 Ramona Airport, the next 40 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

Airfield

Code
RNM
ICAO
KRNM
IATA
-
Field elevation
1,395 ft
Serves
Ramona
Kind
Small airport
Scheduled service
No
Its own instrument
RNM
Wind now
From 60° at 12 mph, read 16 Oct, 01:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
09 / 275,001 ft150 ftAsphalt100° / 280°9 mph head, on 098 mph from the left
09272,000 ftN60° 12 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Ramona Airport (RNM), Ramona Airport's own instrument, measure by measure, on the field's own clock.

Temperature

76 F at 1 AM; 87 F at its warmest, 1 PM Thursday, and 56 F at its coolest, 5 AM Thursday.

Now
76F
1 AM
Highest
87F
1 PM Thursday
Lowest
56F
5 AM Thursday
Temperature and Dew point at Ramona Airport, temperature from 56.0 to 87.0, the latest 76.0; dew point from 31.0 to 40.0, the latest 39.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF204060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 39 F, the air 26% saturated; the humidity ran from 14% at 12 PM Thursday to 49% at 5 AM Thursday.

Dew point now
39F
1 AM
Humidity now
26%
Humidity, range
14 to 49%
Relative humidity at Ramona Airport, relative humidity from 14 to 49, the latest 26, in per cent.RELATIVE HUMIDITY%10203040503 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

12 mph from the east northeast at 1 AM; at its strongest 17 mph, 11 AM Thursday, with a gust of 32 mph at 2 PM Thursday.

Now
12mph
from the east northeast
Strongest
17mph
11 AM Thursday
Highest gust
32mph
2 PM Thursday
Wind and Gust at Ramona Airport, wind from 3 to 17, the latest 12; gust from 22 to 32, the latest 25, in miles an hour.WIND AND GUSTmph0102030403 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Ramona Airport, wind direction from 10 to 100, the latest 60, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

29.97 inHg at 1 AM, steady over 3 hours; 0.06 inHg lower than a day before.

Now
29.97inHg
1 AM
3 hours
-0.02inHg
steady
24 hours
-0.06inHg
Pressure, altimeter at Ramona Airport, pressure, altimeter from 29.95 to 30.05, the latest 29.97, in inches of mercury.PRESSURE, ALTIMETERinHg29.9530.0030.053 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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
Visibility at Ramona Airport, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

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

Ramona Airport: 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 Ramona 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

Ramona AirportRNM

At an airfield/0.0 mi away/1,394 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Goose Valley RAWSGOSC1

A remote fire weather station/3.7 mi away/1,748 ft/353 ft above here

temp, wind, gust, humidity, pressure

Fallbrook 5 NE53151

At a climate reference station/31.3 mi away/1,140 ft/255 ft below here

temp, humidity, wind, solar, precip

measured daily2 instruments

Ramona 1.8 WSWCA-SD-186

In a volunteer observer's own ground/1.4 mi away/1,395 ft/level with here

precip, snowfall, snow depth

Poway ValleyPOWC1

At a cooperative observer's station/6.8 mi away/673 ft/722 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in California

33 places, each with its own forecast and its own instruments.

Near Ramona Airport

The nearest places, each with its own forecast and the instruments nearest it.

Near Ramona Airport