Weather Report and Forecast for
Port Costa, CA

Saturday, May 26th 2012, 8:07pm PDT

7-day Forecast / 10-day Forecast

Latitude: 38°13'N, Longitude: 122°17'W, Elevation: 33.0 ft, Distance: 12.91 mi Port Costa, CA Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 58 years	°F	57	46	50	51	55	60	64	66	66	66	60	53	48
Average high temperature over 58 years	°F	71	55	60	64	69	73	78	80	80	82	75	66	57
Average low temperature over 59 years	°F	44	37	39	41	43	46	50	51	51	50	46	42	39
Highest recorded temperature over 60 years	°F	109	82	86	91	95	104	109	109	109	109	102	89	77
Lowest recorded temperature over 61 years	°F	17	19	23	23	24	32	34	37	37	36	28	24	17
Average number of rainy days over 83 years	days	46.3	8.5	7.7	6.3	4.4	2.4	0.7	-	0.3	1.4	2.5	4.2	7.9
Average number of days above 90°F over 10 years	days	24.6	-	-	0.3	0.3	2	5	5	3	6	3	-	-
Average precipitation over 83 years	in	23.5	4.9	4.2	3.3	1.7	0.8	0.2	-	-	0.4	1.2	2.4	4.4
Average relative humidity over 3 years	%	73	85	74	70	69	68	63	71	68	66	74	81	82
Average dew point over 3 years	°F	44	39	39	39	43	46	48	51	50	48	48	44	39
Average number of days below 32°F over 10 years	days	23.3	7	5	3	0.3	-	-	-	-	-	-	1	7

Check weather averages for nearby locations (some locations might offer more data):

Average temperature of May: 60°F. Average high temperature: 73°F. Average low temperature: 46°F. Port Costa, CA Averages »

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