Weather in Old Gilroy, CA
Old Gilroy, Saturday, 17 October, 00:12
Clear. Feels like 64°. High 94°, low 57°.
Monthly outlook for Old Gilroy, CA: average high 74.1°, average low 51.1°. That is 1.4° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 1 days and 0.5 inches. The warmest day looks like 17 October (93.8°), the coolest 24 October (45.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 74.7° | 72.8° | +1.1° |
| 27 October – 5 November | 73° | 69.5° | +1.9° |
| 6 November – 15 November | at normal | 65.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Gilroy (3 mi).
0
Old Gilroy, Sunday, 18 October
Clear. High 84°, low 51°.
0
Old Gilroy, Monday, 19 October
Overcast. High 69°, low 53°.
0.02
Old Gilroy, Tuesday, 20 October
Light rain. High 71°, low 50°.
0.26Old Gilroy, Wednesday, 21 October
Rain. High 74°, low 52°.
0.49Old Gilroy, Thursday, 22 October
Rain. High 67°, low 51°.
0
Old Gilroy, Friday, 23 October
Partly cloudy. High 72°, low 49°.
0Old Gilroy, Saturday, 24 October
Clear. High 73°, low 46°.
0Old Gilroy, Sunday, 25 October
Overcast. High 70°, low 48°.
0Old Gilroy, Monday, 26 October
Overcast. High 75°, low 51°.
0Old Gilroy, Tuesday, 27 October
Overcast. High 82°, low 55°.
0Old Gilroy, Wednesday, 28 October
Overcast. High 64°, low 52°.
0Old Gilroy, Thursday, 29 October
Partly cloudy. High 67°, low 49°.
0Old Gilroy, Friday, 30 October
Overcast. High 73°, low 50°.
0Old Gilroy, Saturday, 31 October
Overcast. High 79°, low 51°.
0Old Gilroy, Sunday, 1 November
Clear. High 73°, low 54°.
0.03
Old Gilroy, Monday, 2 November
Climate normal for this date — 60-year average.
0.02Old Gilroy, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Old 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.
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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