Weather in Cajon, CA
Cajon, Saturday, 10 October, 16:51
Overcast. Feels like 69°. High 71°, low 60°.
Monthly outlook for Cajon, CA: average high 73°, average low 56.5°. That is 3° below the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 23 October (83.8°), the coolest 13 October (40.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 69.2° | 79.2° | -5.6° |
| 20 October – 29 October | 79.4° | 76.1° | +1.9° |
| 30 October – 8 November | at normal | 72.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rialto (13 mi).
0.74
Cajon, Sunday, 11 October
Rain. High 59°, low 49°.
0.12Cajon, Monday, 12 October
Light rain. High 53°, low 43°.
0
Cajon, Tuesday, 13 October
Clear. High 57°, low 41°.
0Cajon, Wednesday, 14 October
Clear. High 63°, low 48°.
0Cajon, Thursday, 15 October
Clear. High 66°, low 53°.
0Cajon, Friday, 16 October
Clear. High 78°, low 55°.
0Cajon, Saturday, 17 October
Clear. High 82°, low 62°.
0Cajon, Sunday, 18 October
Clear. High 82°, low 63°.
0Cajon, Monday, 19 October
Clear. High 81°, low 63°.
0Cajon, Tuesday, 20 October
Clear. High 79°, low 61°.
0Cajon, Wednesday, 21 October
Clear. High 80°, low 59°.
0Cajon, Thursday, 22 October
Clear. High 84°, low 63°.
0Cajon, Friday, 23 October
Clear. High 84°, low 63°.
0Cajon, Saturday, 24 October
Overcast. High 81°, low 65°.
0.19Cajon, Sunday, 25 October
Rain. High 68°, low 56°.
0.02
Cajon, Monday, 26 October
Climate normal for this date — 60-year average.
0.06Cajon, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Cajon, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.02Cajon, Thursday, 29 October
Climate normal for this date — 60-year average.
0.05Cajon, 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.
0.09
Cajon, Sunday, 8 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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