Napa, CA Current Weather Conditions

Current weather observations and 72-hour history for Napa, CA.  •  View 5-Day Forecast ›

Current Conditions — Napa, CA

PETALUMA (KO69)

Cloudy

53.6 F

Humidity:94%
Wind Speed: 0.0 mph
Barometer:29.98 in
Dewpoint:51.8 F
Visibility:9.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Sep 22 2026, 08:15 AM PDT
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Hourly Observation History — Napa, 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)
08:15 AM PDT 0.0 9.00 Cloudy -- 53.6 51.8 94% NA NA 29.98 1015.2
07:50 AM PDT 4.7 8.00 Cloudy -- 51.8 51.8 100% NA NA 29.98 1015.2
07:30 AM PDT W 3.4 8.00 Cloudy -- 51.8 51.8 100% NA NA 29.98 1015.2
07:15 AM PDT 4.7 10.00 Cloudy -- 51.8 51.8 100% NA NA 29.97 1014.9
06:55 AM PDT SW 3.4 9.00 Cloudy -- 51.8 51.8 100% NA NA 29.96 1014.6
06:30 AM PDT W 5.8 8.00 Cloudy -- 51.8 51.8 100% NA NA 29.96 1014.6
06:15 AM PDT 4.7 9.00 Cloudy -- 51.8 51.8 100% NA NA 29.96 1014.6
05:55 AM PDT 9.00 Cloudy -- 51.8 51.8 100% NA NA 29.95 1014.2
05:30 AM PDT W 4.7 10.00 Cloudy -- 51.8 51.8 100% NA NA 29.95 1014.2
05:15 AM PDT W 4.7 8.00 Cloudy -- 51.8 51.8 100% NA NA 29.95 1014.2
04:55 AM PDT 3.4 5.00 Fog/Mist -- 51.8 51.8 100% NA NA 29.95 1014.2
04:30 AM PDT W 5.8 3.00 Fog/Mist -- 53.6 51.8 94% NA NA 29.95 1014.2
04:15 AM PDT 3.4 3.00 NULL -- 53.6 53.6 100% NA NA 29.95 1014.2
03:55 AM PDT 0.0 4.00 Fog/Mist -- 53.6 51.8 94% NA NA 29.96 1014.6
03:30 AM PDT 0.0 7.00 Cloudy -- 53.6 51.8 94% NA NA 29.95 1014.2
03:15 AM PDT 5.8 8.00 Cloudy -- 53.6 53.6 100% NA NA 29.95 1014.2
02:55 AM PDT 0.0 4.00 Fog/Mist -- 53.6 53.6 100% NA NA 29.95 1014.2
02:30 AM PDT 4.7 9.00 Cloudy -- 53.6 53.6 100% NA NA 29.95 1014.2
02:15 AM PDT 0.0 9.00 Cloudy -- 53.6 53.6 100% NA NA 29.95 1014.2
01:55 AM PDT NW 4.7 10.00 Cloudy -- 53.6 53.6 100% NA NA 29.95 1014.2
01:30 AM PDT 0.0 10.00 Cloudy -- 53.6 53.6 100% NA NA 29.95 1014.2
01:15 AM PDT 0.0 5.00 Fog/Mist -- 53.6 53.6 100% NA NA 29.95 1014.2
12:55 AM PDT NW 4.7 6.00 Fog/Mist -- 53.6 53.6 100% NA NA 29.96 1014.6
12:30 AM PDT W 9.2 9.00 Cloudy -- 53.6 53.6 100% NA NA 29.96 1014.6

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