Weather in Old Gilroy, CA
Old Gilroy, Monday, 19 October, 16:41
Overcast. Feels like 68°. High 69°, low 55°.
Monthly outlook for Old Gilroy, CA: average high 76.3°, average low 55.8°. That is 2.9° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 27 October (87.4°), the coolest 24 October (48.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 77.5° | 72° | +3.1° |
| 29 October – 7 November | 74.1° | 69° | +2.9° |
| 8 November – 17 November | at normal | 65.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Gilroy (3 mi).
0
Old Gilroy, Tuesday, 20 October
Partly cloudy. High 70°, low 50°.
0.12
Old Gilroy, Wednesday, 21 October
Rain. High 74°, low 54°.
0Old Gilroy, Thursday, 22 October
Overcast. High 68°, low 51°.
0
Old Gilroy, Friday, 23 October
Clear. High 72°, low 51°.
0Old Gilroy, Saturday, 24 October
Clear. High 75°, low 49°.
0Old Gilroy, Sunday, 25 October
Partly cloudy. High 86°, low 53°.
0Old Gilroy, Monday, 26 October
Overcast. High 87°, low 61°.
0Old Gilroy, Tuesday, 27 October
Overcast. High 87°, low 61°.
0Old Gilroy, Wednesday, 28 October
Overcast. High 87°, low 60°.
0Old Gilroy, Thursday, 29 October
Overcast. High 77°, low 55°.
0Old Gilroy, Friday, 30 October
Overcast. High 76°, low 53°.
0Old Gilroy, Saturday, 31 October
Overcast. High 80°, low 61°.
0.1Old Gilroy, Sunday, 1 November
Light rain. High 74°, low 61°.
1.08Old Gilroy, Monday, 2 November
Heavy rain. High 70°, low 63°.
0.03Old Gilroy, Tuesday, 3 November
Light rain. High 69°, low 57°.
0.02
Old Gilroy, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Old Gilroy, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Old Gilroy, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Old Gilroy, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Old Gilroy, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Old Gilroy, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Old Gilroy, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Old Gilroy, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Old Gilroy, Thursday, 12 November
Climate normal for this date — 60-year average.
0.11Old Gilroy, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Old Gilroy, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Old Gilroy, Sunday, 15 November
Climate normal for this date — 60-year average.
0.08Old Gilroy, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Old Gilroy, Tuesday, 17 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 Old Gilroy, 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 Old Gilroy, 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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