Gilroy, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Gilroy, CA.

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Current Conditions — Gilroy, CA

SAN MARTIN (KE16)

Cloudy

51.8 F
Humidity:87%
Wind Speed:SE 5.8 mph
Barometer:29.88 in
Dewpoint:48.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 26 2026, 02:10 AM PDT
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5-Day Forecast — Gilroy, CA

Sunday

High 66 °F
Chance of Rain
Sunday
Night
Low 44 °F
Forecast Missing
Monday

High 69 °F
Forecast Missing
Monday
Night
Low 44 °F
Forecast Missing
Tuesday

High 77 °F
Forecast Missing
Tuesday
Night
Low 48 °F
Forecast Missing
Wednesday

High 82 °F
Forecast Missing
Wednesday
Night
Low 48 °F
Forecast Missing
Thursday

High 78 °F
Forecast Missing

Detailed Forecast — Gilroy, CA

Sunday
Chance of Rain. High near 66°F. Wind 2 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Overnight Fog. Low around 44°F. Wind 1 to 8 mph, with gusts as high as 16 mph.
Monday
Forecast Missing. High near 69°F. Wind 1 to 10 mph, with gusts as high as 20 mph.
Monday Night
Forecast Missing. Low around 44°F. Wind 1 to 6 mph, with gusts as high as 13 mph.
Tuesday
Forecast Missing. High near 77°F. Wind 1 to 9 mph, with gusts as high as 17 mph.
Tuesday Night
Forecast Missing. Low around 48°F. Wind 1 to 2 mph, with gusts as high as 6 mph.
Wednesday
Forecast Missing. High near 82°F. Wind 3 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Forecast Missing. Low around 48°F. Wind 1 to 2 mph, with gusts as high as 7 mph.
Thursday
Forecast Missing. High near 78°F. Wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Forecast Missing. Low around 50°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Friday
Forecast Missing. High near 80°F. Wind 3 to 10 mph, with gusts as high as 18 mph.
Friday Night
Forecast Missing. Low around 51°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Saturday
Forecast Missing. High near 75°F. Wind 5 to 12 mph, with gusts as high as 20 mph.
CA Radar
Current Radar • CA
Day 1 Outlook • April 26, 2026

Observation History — Gilroy, CA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:10 AM PDT SE 5.8 10.00 Cloudy -- 51.8 48.2 87% NA NA 29.88 1011.9
01:50 AM PDT SE 5.8 10.00 Cloudy -- 51.8 48.2 87% NA NA 29.88 1011.9
01:30 AM PDT 0.0 10.00 Cloudy -- 51.8 46.4 82% NA NA 29.88 1011.9
01:10 AM PDT S 5.8 10.00 Cloudy -- 51.8 46.4 82% NA NA 29.88 1011.9
12:50 AM PDT 4.7 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.89 1012.2
12:30 AM PDT 3.4 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.89 1012.2
12:10 AM PDT S 3.4 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.89 1012.2
11:50 PM PDT 3.4 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.88 1011.9
11:30 PM PDT 0.0 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.88 1011.9
11:10 PM PDT 3.4 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.88 1011.9
10:50 PM PDT SW 6.9 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.88 1011.9
10:30 PM PDT SW 8.1 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.89 1012.2
10:10 PM PDT SW 5.8 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.89 1012.2
09:50 PM PDT SW 6.9 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.88 1011.9
09:30 PM PDT SW 5.8 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.88 1011.9
09:10 PM PDT 0.0 10.00 Cloudy -- 53.6 46.4 77% NA NA 29.88 1011.9
08:50 PM PDT 0.0 10.00 Cloudy -- 53.6 44.6 71% NA NA 29.88 1011.9
08:30 PM PDT SW 3.4 10.00 Cloudy -- 53.6 44.6 71% NA NA 29.87 1011.5
08:10 PM PDT SW 8.1 10.00 Cloudy -- 53.6 44.6 71% NA NA 29.86 1011.2
07:50 PM PDT SW 6.9 10.00 Cloudy -- 53.6 44.6 71% NA NA 29.86 1011.2
07:30 PM PDT SW 6.9 9.00 Cloudy -- 55.4 46.4 72% NA NA 29.86 1011.2
07:10 PM PDT 5.8 9.00 Cloudy -- 55.4 46.4 72% NA NA 29.86 1011.2
06:50 PM PDT SW 4.7 9.00 Cloudy -- 55.4 46.4 72% NA NA 29.86 1011.2
06:30 PM PDT 5.8 9.00 Cloudy -- 55.4 46.4 72% NA NA 29.87 1011.5

Regional Weather Observation

SAN MARTIN (KE16)

Cloudy
51.8 F

SAN JOSE/REID (KRHV)

Mostly Cloudy
55.4 F

SAN JOSE (KSJC)

Cloudy
55.4 F

LIVERMORE (KLVK)

Cloudy
51.8 F

MOFFETT NAS/MTN (KNUQ)

Cloudy
55.4 F

WATSONVILLE (KWVI)

Cloudy
51.8 F
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