Weather in San Jose, CA
San Jose, Friday, 30 October, 10:48
Overcast. Feels like 63°. High 68°, low 51°.
Monthly outlook for San Jose, CA: average high 67.1°, average low 52.7°. That is 0.5° below the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 8 November (77.2°), the coolest 31 October (45.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 68.8° | 69.5° | -0.4° |
| 9 November – 18 November | 64.3° | 65.2° | -0.5° |
| 19 November – 28 November | at normal | 62° | — |
October records over 66 years
0San Jose, Saturday, 31 October
Overcast. High 66°, low 46°.
0.01
San Jose, Sunday, 1 November
Light rain. High 65°, low 51°.
0San Jose, Monday, 2 November
Overcast. High 67°, low 47°.
0San Jose, Tuesday, 3 November
Overcast. High 70°, low 51°.
0.02San Jose, Wednesday, 4 November
Light rain. High 68°, low 51°.
0.02San Jose, Thursday, 5 November
Light rain. High 68°, low 54°.
0San Jose, Friday, 6 November
Overcast. High 65°, low 55°.
0
San Jose, Saturday, 7 November
Clear. High 74°, low 52°.
0San Jose, Sunday, 8 November
Overcast. High 77°, low 57°.
0.01San Jose, Monday, 9 November
Light rain. High 72°, low 58°.
0.09San Jose, Tuesday, 10 November
Light rain. High 66°, low 61°.
1.07San Jose, Wednesday, 11 November
Heavy rain. High 61°, low 55°.
0.06San Jose, Thursday, 12 November
Light rain. High 62°, low 51°.
0San Jose, Friday, 13 November
Overcast. High 69°, low 49°.
0.09San Jose, Saturday, 14 November
Light rain. High 57°, low 53°.
0.06
San Jose, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09
San Jose, Monday, 16 November
Climate normal for this date — 60-year average.
0.13San Jose, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07San Jose, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04San Jose, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09San Jose, Friday, 20 November
Climate normal for this date — 60-year average.
0.08San Jose, Saturday, 21 November
Climate normal for this date — 60-year average.
0.07San Jose, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06San Jose, Monday, 23 November
Climate normal for this date — 60-year average.
0.09San Jose, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.05San Jose, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.08San Jose, Thursday, 26 November
Climate normal for this date — 60-year average.
0.07San Jose, Friday, 27 November
Climate normal for this date — 60-year average.
0.12San Jose, Saturday, 28 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 San Jose, 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 San Jose, 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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