Mare Island, CA Weather Forecast & Alerts

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

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Current Conditions — Mare Island, CA

NOVATO/GNOSS FLD (KDVO)

Clear

55.4 F
Humidity:82%
Wind Speed: 0.0 mph
Barometer:29.95 in
Dewpoint:50.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 24 2026, 08:55 AM PDT
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5-Day Forecast — Mare Island, CA

Friday

High 68 °F
Forecast Missing
Friday
Night
Low 50 °F
Forecast Missing
Saturday

High 64 °F
Forecast Missing
Saturday
Night
Low 51 °F
Forecast Missing
Sunday

High 66 °F
Forecast Missing
Sunday
Night
Low 48 °F
Forecast Missing
Monday

High 68 °F
Forecast Missing
Monday
Night
Low 48 °F
Forecast Missing
Tuesday

High 73 °F
Forecast Missing

Detailed Forecast — Mare Island, CA

Friday
Slight Chance of Rain. High near 68°F. Wind 5 to 12 mph, with gusts as high as 16 mph.
Friday Night
Forecast Missing. Low around 50°F. Wind 7 to 10 mph, with gusts as high as 16 mph.
Saturday
Forecast Missing. High near 64°F. Wind 8 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Forecast Missing. Low around 51°F. Wind 7 to 12 mph, with gusts as high as 18 mph.
Sunday
Forecast Missing. High near 66°F. Wind 8 to 12 mph, with gusts as high as 17 mph.
Sunday Night
Forecast Missing. Low around 48°F. Wind 2 to 7 mph, with gusts as high as 10 mph.
Monday
Forecast Missing. High near 68°F. Wind 5 to 12 mph, with gusts as high as 15 mph.
Monday Night
Forecast Missing. Low around 48°F. Wind 2 to 5 mph, with gusts as high as 8 mph.
Tuesday
Forecast Missing. High near 73°F. Wind 3 to 12 mph, with gusts as high as 17 mph.
Tuesday Night
Forecast Missing. Low around 51°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Wednesday
Forecast Missing. High near 73°F. Wind 9 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Forecast Missing. Low around 51°F. Wind 5 to 8 mph, with gusts as high as 12 mph.
Thursday
Forecast Missing. High near 73°F. Wind 5 to 10 mph, with gusts as high as 15 mph.
CA Radar
Current Radar • CA
Day 1 Outlook • April 24, 2026

Observation History — Mare Island, 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)
08:55 AM PDT 0.0 10.00 Clear -- 55.4 50.0 82% NA NA 29.95 1014.2
08:35 AM PDT 0.0 10.00 Clear -- 53.6 50.0 88% NA NA 29.95 1014.2
08:15 AM PDT NE 3.4 10.00 Clear -- 53.6 50.0 88% NA NA 29.95 1014.2
07:55 AM PDT 0.0 9.00 Clear -- 51.8 50.0 94% NA NA 29.95 1014.2
07:35 AM PDT 9.00 Clear -- NULL % NA NA M
07:15 AM PDT 0.0 8.00 Clear -- 50.0 50.0 100% NA NA 29.95 1014.2
06:55 AM PDT 0.0 8.00 Clear -- 48.2 48.2 100% NA NA 29.95 1014.2
06:35 AM PDT 0.0 6.00 Fog/Mist -- 48.2 48.2 100% NA NA 29.94 1013.9
06:15 AM PDT 0.0 6.00 Fog/Mist -- 48.2 48.2 100% NA NA 29.94 1013.9
05:55 AM PDT 0.0 7.00 Mostly Clear -- 48.2 48.2 100% NA NA 29.94 1013.9
05:35 AM PDT 0.0 8.00 Mostly Clear -- 48.2 48.2 100% NA NA 29.94 1013.9
05:15 AM PDT 0.0 9.00 Clear -- 48.2 48.2 100% NA NA 29.94 1013.9
04:55 AM PDT 0.0 10.00 Clear -- 48.2 48.2 100% NA NA 29.94 1013.9
04:35 AM PDT 0.0 10.00 Clear -- 48.2 48.2 100% NA NA 29.94 1013.9
04:15 AM PDT 0.0 9.00 Clear -- 48.2 48.2 100% NA NA 29.94 1013.9
03:55 AM PDT 0.0 10.00 Clear -- 48.2 48.2 100% NA NA 29.95 1014.2
03:35 AM PDT 0.0 10.00 Clear -- 48.2 48.2 100% NA NA 29.95 1014.2
03:15 AM PDT 0.0 10.00 Clear -- 48.2 48.2 100% NA NA 29.96 1014.6
02:55 AM PDT 0.0 10.00 Clear -- 48.2 48.2 100% NA NA 29.95 1014.2
02:35 AM PDT 0.0 10.00 Clear -- 48.2 48.2 100% NA NA 29.96 1014.6
02:15 AM PDT 0.0 10.00 Clear -- 50.0 48.2 94% NA NA 29.96 1014.6
01:55 AM PDT 0.0 10.00 Clear -- 50.0 48.2 94% NA NA 29.97 1014.9
01:35 AM PDT 0.0 10.00 Clear -- 50.0 50.0 100% NA NA 29.98 1015.2
09:35 PM PDT E 5.8 10.00 Clear -- 53.6 50.0 88% NA NA 30.00 1015.9

Regional Weather Observation

NOVATO/GNOSS FLD (KDVO)

Clear
55.4 F

NAPA (KAPC)

Partly Cloudy
53.6 F

PETALUMA (KO69)

Partly Cloudy
51.8 F

CONCORD (KCCR)

Clear
57.2 F

SANTA ROSA (KSTS)

Cloudy
51.8 F

TRAVIS AFB/FAIRF (KSUU)

Mostly Clear
59.2 F
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