Weather in Old Gilroy, CA
Old Gilroy, Tuesday, 20 October, 03:46
Overcast. Feels like 49°. High 73°, low 51°.
Monthly outlook for Old Gilroy, CA: average high 72°, average low 54.9°. That is 0.6° above the climate normal for October. Precipitation is expected on 7 days (about 4.1 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 26 October (83.3°), the coolest 25 October (47.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 75.7° | 71.5° | +2.3° |
| 30 October – 8 November | 65.8° | 68.6° | -1.6° |
| 9 November – 18 November | at normal | 65° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Gilroy (3 mi).
0.06
Old Gilroy, Wednesday, 21 October
Light rain. High 68°, low 55°.
0.13Old Gilroy, Thursday, 22 October
Rain. High 71°, low 53°.
0
Old Gilroy, Friday, 23 October
Partly cloudy. High 73°, low 53°.
0
Old Gilroy, Saturday, 24 October
Clear. High 75°, low 50°.
0Old Gilroy, Sunday, 25 October
Overcast. High 80°, low 48°.
0Old Gilroy, Monday, 26 October
Overcast. High 83°, low 60°.
0Old Gilroy, Tuesday, 27 October
Overcast. High 80°, low 58°.
0Old Gilroy, Wednesday, 28 October
Clear. High 82°, low 57°.
0Old Gilroy, Thursday, 29 October
Light rain. High 71°, low 54°.
0.31Old Gilroy, Friday, 30 October
Rain. High 67°, low 56°.
0.98Old Gilroy, Saturday, 31 October
Rain. High 58°, low 54°.
0.98Old Gilroy, Sunday, 1 November
Rain. High 65°, low 59°.
0Old Gilroy, Monday, 2 November
Overcast. High 72°, low 58°.
0.99Old Gilroy, Tuesday, 3 November
Heavy rain. High 68°, low 57°.
0.69Old Gilroy, Wednesday, 4 November
Rain. High 64°, low 55°.
0.04
Old 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.
0.07Old Gilroy, Wednesday, 18 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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