At an airfield/2.5 mi away/384 ft/67 ft below here
temp, wind, gust, visibility, precip, pressure
Weather/California/El Cajon
El Cajon, California
City in San Diego County, California* WHAT...For eastern portions of the valleys, northeast to east winds 20 to 30 mph with gusts 45 to 55 mph expected. For the western valleys, more localized wind gusts 25 to 35 mph. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult for high profile vehicles.
People are urged to secure loose objects that could be blown around or damaged by the wind.
90°
94°/66°
Clear·
Feels like 86°·Moderate breeze 15 mph ENE
Alert. A High Wind Warning is in force for El Cajon until 8 PM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. El Cajon is 90° and clear at 6 PM. With the wind it feels like 86°. The dew point is 41°, so the air feels dry and comfortable. Moderate breeze from the east-northeast at 15 mph.
Today and tonight. Tonight falls to about 70° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day. Air quality is moderate (index 59): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is tomorrow, near 89°, and the coolest Thursday, near 68°. Rain is likely Wednesday (67%) and Thursday (56%). Rain is possible Tuesday (33%).
The sky tonight. The sun sets at 6:14 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:32 PM. The next full Moon is Sunday, Oct 25. 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 23 minutes long, 2 minutes shorter than yesterday.
0UV Low
59Air quality
19%Humidity
1%Cloud
Now
6:00 PM
90feels86
15mph
Today
Oct 16
9466
24mph
UV 7
Sat
Oct 17
8970
15mph
UV 6
Sun
Oct 18
8963
UV 7
Mon
Oct 19
8463
UV 7
Tue
Oct 20
7761
33%
UV 6
Wed
Oct 21
7159
67%
Thu
Oct 22
6858
56%
90°
94°66°
89°70°
89°63°
84°63°
77°61°
71°59°
68°58°
As of 6:00 PM in El Cajon, California.
Air quality
The air at El Cajon
Index 59, moderate, led by coarse particles. Read at 5 PM from its reporting area, San Diego Mesa and Inland Valley (CA), 7 miles off.
59Moderate
- Fine particles (PM2.5)36Good0.3 mi
- Ozone44Good50 ppb0.3 mi
- Coarse particles (PM10)59Moderate0.3 mi
The days ahead
Moderate each day through Sun Oct 18, led by ozone. Yesterday measured 27, good.
GoodModerate
- 27YesterdayOct 15
- 51TodayOct 16
- 77SatOct 17
- 61SunOct 18
Smoke, the next 42 hours
Little smoke near the ground through Sun 11 AM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at El Cajon
None in the last 3 days, to Fri 5 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 El Cajon, the next 42 hours
Visibility stays 10 miles or more through Sun 11 AM.
F
Now, today, and the week
On the radar over El Cajon, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 5 instruments nearest El Cajon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.
measured now3 instruments
Rank3,778of 4,461
Citizen station EW9965EW9965
In a volunteer observer's own ground/4.8 mi away/620 ft/169 ft above here
temp, humidity, wind, precip, pressure
San Miguel RAWSMIGC1
A remote fire weather station/7.7 mi away/617 ft/166 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
El CajonELJC1
At a cooperative observer's station/1.9 mi away/387 ft/64 ft below here
snowfall, snow depth, precip, high, low
El Cajon 2.3ENECA-SD-6
In a volunteer observer's own ground/1.9 mi away/610 ft/159 ft above here
precip, snowfall, snow depth
Station report
The weather at San Diego/Gillespie, drawn
The nearest airport reporting now, 2.5 mi from El Cajon, California. From its report of Oct 16, 2026, 5:47 PM local time: 3 of its 6 sheets.
The sky
Clear; visibility 10 mi or more.
The air
89.6 F with a dew point of 41.0 F, 18 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 11,000 ft up.
The wind
From the east (100 degrees) at 14 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 32 mph.
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 El Cajon
The nearest places, each with its own forecast and the instruments nearest it.
- Bostoniacommunity, 2 mi
- Granite Hillscommunity, 3 mi
- Casa de Oro-Mount Helixcommunity, 3 mi
- Rancho San Diegocommunity, 3 mi
- Winter Gardenscommunity, 3 mi
- Santeecity, 4 mi
- Spring Valleycommunity, 5 mi
- La Mesacity, 5 mi
- Lakesidecommunity, 5 mi
- Crestcommunity, 5 mi
- Eucalyptus Hillscommunity, 6 mi
- Jamulcommunity, 6 mi