Weather in Cajon, CA
Cajon, Wednesday, 14 October, 07:42
Clear. Feels like 48°. High 71°, low 46°.
Monthly outlook for Cajon, CA: average high 69.9°, average low 54°. That is 4° below the climate normal for October. Precipitation is expected on 2 days (about 1.3 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 15 October (75.4°), the coolest 14 October (46.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 October – 23 October | 67.7° | 78.2° | -5.9° |
| 24 October – 2 November | 73.5° | 74.5° | -0.6° |
| 3 November – 12 November | at normal | 71.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rialto (13 mi).
0Cajon, Thursday, 15 October
Clear. High 75°, low 51°.
0Cajon, Friday, 16 October
Clear. High 70°, low 53°.
0Cajon, Saturday, 17 October
Clear. High 69°, low 54°.
0Cajon, Sunday, 18 October
Clear. High 70°, low 53°.
0Cajon, Monday, 19 October
Clear. High 73°, low 53°.
0Cajon, Tuesday, 20 October
Clear. High 70°, low 55°.
1.2
Cajon, Wednesday, 21 October
Heavy rain. High 55°, low 49°.
0.06Cajon, Thursday, 22 October
Light rain. High 55°, low 49°.
0Cajon, Friday, 23 October
Clear. High 69°, low 48°.
0Cajon, Saturday, 24 October
Clear. High 72°, low 58°.
0
Cajon, Sunday, 25 October
Partly cloudy. High 72°, low 58°.
0Cajon, Monday, 26 October
Clear. High 74°, low 60°.
0
Cajon, Tuesday, 27 October
Overcast. High 74°, low 60°.
0Cajon, Wednesday, 28 October
Partly cloudy. High 75°, low 59°.
0Cajon, Thursday, 29 October
Partly cloudy. High 74°, low 59°.
0.05
Cajon, Friday, 30 October
Climate normal for this date — 60-year average.
0.02Cajon, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Cajon, Sunday, 1 November
Climate normal for this date — 60-year average.
0.03Cajon, Monday, 2 November
Climate normal for this date — 60-year average.
0.01Cajon, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Cajon, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Cajon, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Cajon, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Cajon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Cajon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Cajon, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Cajon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Cajon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Cajon, Thursday, 12 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 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 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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