El Cajon weather — 10-day forecast

Temperature, rain, wind and feels-like in El Cajon, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 15:00 · NOAA HRRR model

33 °C

Clear sky

Feels like 31 °C

13.1 km/hforce 2

Next 12 h

  • 1533°
  • 1633°
  • 1732°
  • 1830°
  • 1927°
  • 19:41Sunset
  • 2024°
  • 2123°
  • 2222°
  • 2321°
  • 0020°
  • 0120°
  • 0219°
  • 0318°

33°15:00 18°03:00

Humidity
30 %
Dew point
13 °C
Gusts
15.8 km/h
Clouds
0 %
Pressure
1,014 hPa
UV
8 · high

Grid point 0.9 km away · 3.0 km grid · elevation 179 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 17:00
38
Fair

Index set by Ozone

Ozone
95.8µg/m³
PM2.5
11.9µg/m³
PM10
16.0µg/m³
Nitrogen dioxide
1.7µg/m³
Sulphur dioxide
0.9µg/m³
Carbon monoxide
114.0µg/m³
Dust (AOD)
0.01

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

18° → 34°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Clear sky

    33°

    21°

  • Sat

    Clear sky

    34°

    18°

  • Sun

    Mainly clear

    30°

    19°

  • Mon

    Mainly clear

    29°

    20°

  • Tue

    Overcast

    27°

    21°

  • Wed

    Mainly clear

    27°

    20°

  • Thu

    Partly cloudy

    26°

    20°

  • Fri

    Partly cloudy

    26°

    20°

  • Sat

    Clear sky

    28°

    21°

  • Sun

    Clear sky

    31°

    19°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV11very high
Sunrise
06:06
Daylight
13 h 35
Sunset
19:41

Radiation · 22.0 MJ/m²

Sea state

Sea state at the marine grid point closest to the city.

0.7 mperiod 17 s 232°

Significant height: the mean of the highest third of waves. Individual waves reach about twice it.

Data: ECMWF

Today in El Cajon the mean temperature will be 28.5 °C — +6.5 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

El Cajon climate — normals and trends