Point Forecast: Antioch CA  38N 121.81W (Elev. 36 ft)	Last Update: 2:29 pm PDT Jul 7, 2025

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Weather Elements Weather/Precipitation Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s

48-Hour Period Starting: 4pm Mon, Jul 7 20255pm Mon, Jul 7 20256pm Mon, Jul 7 20257pm Mon, Jul 7 20258pm Mon, Jul 7 20259pm Mon, Jul 7 202510pm Mon, Jul 7 202511pm Mon, Jul 7 202512am Tue, Jul 8 20251am Tue, Jul 8 20252am Tue, Jul 8 20253am Tue, Jul 8 20254am Tue, Jul 8 20255am Tue, Jul 8 20256am Tue, Jul 8 20257am Tue, Jul 8 20258am Tue, Jul 8 20259am Tue, Jul 8 202510am Tue, Jul 8 202511am Tue, Jul 8 202512pm Tue, Jul 8 20251pm Tue, Jul 8 20252pm Tue, Jul 8 20253pm Tue, Jul 8 20254pm Tue, Jul 8 20255pm Tue, Jul 8 20256pm Tue, Jul 8 20257pm Tue, Jul 8 20258pm Tue, Jul 8 20259pm Tue, Jul 8 202510pm Tue, Jul 8 202511pm Tue, Jul 8 202512am Wed, Jul 9 20251am Wed, Jul 9 20252am Wed, Jul 9 20253am Wed, Jul 9 20254am Wed, Jul 9 20255am Wed, Jul 9 20256am Wed, Jul 9 20257am Wed, Jul 9 20258am Wed, Jul 9 20259am Wed, Jul 9 202510am Wed, Jul 9 202511am Wed, Jul 9 202512pm Wed, Jul 9 20251pm Wed, Jul 9 20252pm Wed, Jul 9 20253pm Wed, Jul 9 20254pm Wed, Jul 9 20255pm Wed, Jul 9 20256pm Wed, Jul 9 20257pm Wed, Jul 9 20258pm Wed, Jul 9 20259pm Wed, Jul 9 202510pm Wed, Jul 9 202511pm Wed, Jul 9 202512am Thu, Jul 10 20251am Thu, Jul 10 20252am Thu, Jul 10 20253am Thu, Jul 10 20254am Thu, Jul 10 20255am Thu, Jul 10 20256am Thu, Jul 10 20257am Thu, Jul 10 20258am Thu, Jul 10 20259am Thu, Jul 10 202510am Thu, Jul 10 202511am Thu, Jul 10 202512pm Thu, Jul 10 20251pm Thu, Jul 10 20252pm Thu, Jul 10 20253pm Thu, Jul 10 20254pm Thu, Jul 10 20255pm Thu, Jul 10 20256pm Thu, Jul 10 20257pm Thu, Jul 10 20258pm Thu, Jul 10 20259pm Thu, Jul 10 202510pm Thu, Jul 10 202511pm Thu, Jul 10 202512am Fri, Jul 11 20251am Fri, Jul 11 20252am Fri, Jul 11 20253am Fri, Jul 11 20254am Fri, Jul 11 20255am Fri, Jul 11 20256am Fri, Jul 11 20257am Fri, Jul 11 20258am Fri, Jul 11 20259am Fri, Jul 11 202510am Fri, Jul 11 202511am Fri, Jul 11 202512pm Fri, Jul 11 20251pm Fri, Jul 11 20252pm Fri, Jul 11 20253pm Fri, Jul 11 20254pm Fri, Jul 11 20255pm Fri, Jul 11 20256pm Fri, Jul 11 20257pm Fri, Jul 11 20258pm Fri, Jul 11 20259pm Fri, Jul 11 202510pm Fri, Jul 11 202511pm Fri, Jul 11 202512am Sat, Jul 12 20251am Sat, Jul 12 20252am Sat, Jul 12 20253am Sat, Jul 12 2025

Date	07/07								07/08
Hour (PDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°F)	84	82	80	78	73	69	67	66	65	64	62	62	61	60	60	60	63	67	69	72	76	78	80	82
Dewpoint (°F)	57	56	56	55	53	52	51	52	52	52	52	52	52	52	52	53	53	54	55	55	57	57	57	56
Heat Index (°F)	83	82	80	78																	76	78	80	81
Surface Wind (mph)	14	15	15	14	14	14	14	13	11	10	9	9	8	7	7	7	8	8	9	9	10	10	11	13
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	W
Gust	24	24	25	24	24	25	24	23	22	20	18												18	21
Sky Cover (%)	2	1	2	3	3	3	4	3	7	6	5	7	6	5	7	4	6	2	1	0	0	1	1	1
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	39	41	43	45	50	56	56	60	62	66	68	70	73	75	75	75	71	65	60	55	52	48	46	41
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date									07/09
Hour (PDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°F)	82	82	80	77	73	69	67	66	65	64	62	62	61	61	61	62	64	66	70	74	78	82	85	87
Dewpoint (°F)	56	56	56	54	53	53	53	53	53	53	53	52	52	52	52	52	53	54	54	55	55	55	55	55
Heat Index (°F)	81	81	80	77																	78	81	84	85
Surface Wind (mph)	14	14	14	13	13	13	11	10	10	10	9	9	9	8	8	8	8	8	8	10	10	10	10	10
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W
Gust	21	23	23	22	22	22	22	20	20	20
Sky Cover (%)	2	3	3	4	2	2	3	3	3	3	6	6	6	9	9	9	10	10	10	0	0	0	0	0
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	41	41	43	46	50	56	59	62	65	68	71	72	73	73	73	71	68	63	57	51	45	40	37	34
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph River Stage Summary 24 Hour Precipitation Summary NWS Office Map