Weather in Old Gilroy, CA
Old Gilroy, Thursday, 12 November, 04:35
Mostly clear. Feels like 49°. High 75°, low 49°.
Monthly outlook for Old Gilroy, CA: average high 62.8°, average low 47.9°. That is 0.3° below the climate normal for November. Precipitation is expected on 7 days (about 1.9 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 12 November (75°), the coolest 17 November (40.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 62.2° | 64.1° | -1.1° |
| 22 November – 1 December | 63.7° | 61.6° | +1.2° |
| 2 December – 11 December | at normal | 60.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Gilroy (3 mi).
0.66
Old Gilroy, Friday, 13 November
Heavy rain. High 61°, low 48°.
0
Old Gilroy, Saturday, 14 November
Clear. High 65°, low 48°.
0.19Old Gilroy, Sunday, 15 November
Rain. High 64°, low 49°.
0.2Old Gilroy, Monday, 16 November
Light rain. High 61°, low 46°.
0
Old Gilroy, Tuesday, 17 November
Mostly clear. High 62°, low 41°.
0.13Old Gilroy, Wednesday, 18 November
Light rain. High 55°, low 46°.
0
Old Gilroy, Thursday, 19 November
Overcast. High 61°, low 45°.
0.13Old Gilroy, Friday, 20 November
Light rain. High 58°, low 46°.
0Old Gilroy, Saturday, 21 November
Overcast. High 61°, low 43°.
0.37Old Gilroy, Sunday, 22 November
Rain. High 50°, low 48°.
0Old Gilroy, Monday, 23 November
Overcast. High 66°, low 52°.
0Old Gilroy, Tuesday, 24 November
Overcast. High 64°, low 48°.
0Old Gilroy, Wednesday, 25 November
Overcast. High 62°, low 53°.
0.26Old Gilroy, Thursday, 26 November
Rain. High 72°, low 51°.
0Old Gilroy, Friday, 27 November
Clear. High 67°, low 54°.
0.09
Old Gilroy, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Old Gilroy, Sunday, 29 November
Climate normal for this date — 60-year average.
0.12Old Gilroy, Monday, 30 November
Climate normal for this date — 60-year average.
0.12Old Gilroy, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.16Old Gilroy, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.11Old Gilroy, Thursday, 3 December
Climate normal for this date — 60-year average.
0.08Old Gilroy, Friday, 4 December
Climate normal for this date — 60-year average.
0.09Old Gilroy, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Old Gilroy, Sunday, 6 December
Climate normal for this date — 60-year average.
0.07Old Gilroy, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Old Gilroy, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.04Old Gilroy, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.1Old Gilroy, Thursday, 10 December
Climate normal for this date — 60-year average.
0.12Old Gilroy, Friday, 11 December
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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