1 active weather warning 
Port Costa, CA Hourly Weather Forecast
8:28 PM 20:28Morning temperature of 19 °C, afternoon 33°, evening 24° and night 19°. Morning temperature of 66 degrees, afternoon 91°, evening 75° and night 66°.
Clear, afternoon mostly clear.
9 14 3 4 9 14 3 4
11 18 3 5
11 18 3 5 11 18 3 5 9 14 3 4 9 14 3 4
9 14 3 4 11 18 3 5 11 18 3 5Updated 6/6 12:21 AM 24:21
The hourly local weather forecast shows hour by hour weather conditions like temperature, feels like temperature, humidity, amount of precipitation and chance of precipitation, wind and gusts for Port Costa.
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Nearest Observations
Concord, Buchanan Field
+36° 97°
4 m/s 9 mph 14 kmh 3 BftDewpoint 14° 57°
Rel. hum. 27 %
Feels like +36° 97°
Pressure 1009 hPa 29.8 inHg 756.7 mmHg
Visibility 16000 m 10 mi
Napa, Napa County Airport
+32° 89° 4 m/s 9 mph 14 kmh 3 BftDewpoint 16° 61°
Rel. hum. 38 %
Feels like +32° 90°
Pressure 1010 hPa 29.8 inHg 757.4 mmHg
Visibility 16000 m 10 mi
Gnoss Field
+35° 95°
3 m/s 7 mph 11 kmh 2 BftDewpoint 18° 64°
Rel. hum. 37 %
Feels like +35° 95°
Pressure 1010 hPa 29.8 inHg 757.4 mmHg
Visibility 16000 m 10 mi
Nearest observations show current weather observations from your nearest weather stations.
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