Weather in El Cajon, CA
El Cajon, Tuesday, 20 October, 10:08
Clear. Feels like 73°. High 78°, low 61°.
Monthly outlook for El Cajon, CA: average high 78.3°, average low 64.1°. That is 2.2° above the climate normal for October. Precipitation is expected on 1 day (about 1.0 inches), against a normal of 2 days and 0.3 inches. The warmest day looks like 26 October (89.2°), the coolest 25 October (56.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 79.6° | 74.7° | +2.7° |
| 30 October – 8 November | 76.2° | 72.6° | +2° |
| 9 November – 18 November | at normal | 70.3° | — |
October records over 66 years
0El Cajon, Wednesday, 21 October
Clear. High 80°, low 58°.
0.96
El Cajon, Thursday, 22 October
Heavy rain. High 69°, low 61°.
0.01El Cajon, Friday, 23 October
Light rain. High 71°, low 58°.
0El Cajon, Saturday, 24 October
Clear. High 75°, low 57°.
0El Cajon, Sunday, 25 October
Clear. High 80°, low 57°.
0
El Cajon, Monday, 26 October
Partly cloudy. High 89°, low 68°.
0
El Cajon, Tuesday, 27 October
Overcast. High 88°, low 74°.
0El Cajon, Wednesday, 28 October
Overcast. High 85°, low 72°.
0El Cajon, Thursday, 29 October
Overcast. High 79°, low 68°.
0El Cajon, Friday, 30 October
Partly cloudy. High 80°, low 66°.
0El Cajon, Saturday, 31 October
Overcast. High 81°, low 67°.
0El Cajon, Sunday, 1 November
Overcast. High 74°, low 68°.
0El Cajon, Monday, 2 November
Light rain. High 73°, low 65°.
0El Cajon, Tuesday, 3 November
Overcast. High 75°, low 62°.
0El Cajon, Wednesday, 4 November
Overcast. High 75°, low 64°.
0.01
El Cajon, Thursday, 5 November
Climate normal for this date — 60-year average.
0.01El Cajon, Friday, 6 November
Climate normal for this date — 60-year average.
0.03El Cajon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06El Cajon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07El Cajon, Monday, 9 November
Climate normal for this date — 60-year average.
0.03El Cajon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06El Cajon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07El Cajon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.01El Cajon, Friday, 13 November
Climate normal for this date — 60-year average.
0.04El Cajon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05El Cajon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03El Cajon, Monday, 16 November
Climate normal for this date — 60-year average.
0.03El Cajon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04El Cajon, Wednesday, 18 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for El Cajon, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in El Cajon, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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