New York, NY 72° Los Angeles, CA 66° 🌤️ Chicago, IL Houston, TX 77° 🌤️ Miami, FL 🌤️ Phoenix, AZ 🌤️ Seattle, WA 🌤️ Denver, CO Toronto, ON 69° 🌤️ Vancouver, BC
WeatherLiveCaliforniaGilroyMonthly Outlook

Gilroy, CA Monthly Outlook

30-day outlook · Gilroy

All 30 days, one strip

swipe sideways · tap a day for detail

30 days of temperature & precip

Gilroy · first 14 days — live forecast · rest of month — climate corridor

🗺️ 14-day forecast map

Gilroy & neighbors — hit play
Every city on the map carries real forecast data from the same models as its city page, refreshed several times a day. The icon is the day's overall look; the number is the afternoon high.

Next 14 days at a glance

from the model forecast
Hottest day
75°
Mon, Aug 17
Coldest night
50°
Mon, Aug 17
Days with precip
7 / 14
of 14 forecast days
Nicest day
Sat, Aug 29
mild, dry, light wind

The next 4 weekends

plan ahead
Sat 22 – Sun 23 Aug
54° 51°
65% precip chance
Sat 29 – Sun 30 Aug
58° 53°
92% precip chance
Sat 5 – Sun 6 Sep
47° 44°
typical range
Sat 12 – Sun 13 Sep
46° 44°
typical range

30 days — Gilroy

14 forecast + 16 climatology

How does a 30-day outlook work?

The first 14 days are a live model forecast. The back half of the month shows the typical range for those dates — useful for planning, not a literal prediction.

First 14 days: a real forecast, blended from NBM, ECMWF and GFS runs. Trust it most inside three days; by the second week treat it as a lean, not a promise.

Rest of the month: past day 14 we stop pretending to forecast and switch to the climate corridor — the range those dates have produced over three decades computed directly for Gilroy, with mild week-to-week wiggle.

Good question for this page: "Is late August usually humid in Chicago?" Bad question: "Do I need an umbrella on the 29th?" — three weeks out no one knows, and that's the honest answer.

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Updated: 1:55 AM