Weather in Blue Jay, CA
Blue Jay, Sunday, 11 October, 20:38
Overcast. Feels like 41°. High 54°, low 45°.
Monthly outlook for Blue Jay, CA: average high 64.9°, average low 49.5°. That is 7.6° below the climate normal for October. Precipitation is expected on 4 days (about 4.1 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 22 October (73.6°), the coolest 12 October (36.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 64.8° | 79.4° | -8.1° |
| 21 October – 30 October | 65° | 76° | -6.1° |
| 31 October – 9 November | at normal | 73.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — San Bernardino (9 mi).
0.77
Blue Jay, Monday, 12 October
Rain. High 47°, low 37°.
0
Blue Jay, Tuesday, 13 October
Clear. High 58°, low 38°.
0Blue Jay, Wednesday, 14 October
Clear. High 65°, low 45°.
0Blue Jay, Thursday, 15 October
Clear. High 68°, low 52°.
0Blue Jay, Friday, 16 October
Clear. High 70°, low 57°.
0Blue Jay, Saturday, 17 October
Clear. High 73°, low 53°.
0Blue Jay, Sunday, 18 October
Clear. High 74°, low 56°.
0Blue Jay, Monday, 19 October
Clear. High 71°, low 54°.
0Blue Jay, Tuesday, 20 October
Clear. High 67°, low 50°.
0Blue Jay, Wednesday, 21 October
Clear. High 68°, low 49°.
0Blue Jay, Thursday, 22 October
Clear. High 74°, low 49°.
0Blue Jay, Friday, 23 October
Overcast. High 73°, low 57°.
0.02Blue Jay, Saturday, 24 October
Light rain. High 61°, low 53°.
0.51Blue Jay, Sunday, 25 October
Light rain. High 62°, low 52°.
1.67Blue Jay, Monday, 26 October
Heavy rain. High 52°, low 46°.
0.04
Blue Jay, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.02Blue Jay, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.01Blue Jay, Thursday, 29 October
Climate normal for this date — 60-year average.
0.03Blue Jay, Friday, 30 October
Climate normal for this date — 60-year average.
0.02Blue Jay, Saturday, 31 October
Climate normal for this date — 60-year average.
0.02Blue Jay, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Blue Jay, Monday, 2 November
Climate normal for this date — 60-year average.
0.01Blue Jay, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Blue Jay, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Blue Jay, Thursday, 5 November
Climate normal for this date — 60-year average.
0.01Blue Jay, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Blue Jay, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Blue Jay, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Blue Jay, Monday, 9 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 Blue Jay, 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 Blue Jay, 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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