Point Forecast: 4 Miles S Clayton CA  37.87N 121.92W (Elev. 2818 ft)	Last Update: 1:26 am PDT Jun 25, 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: 2am Wed, Jun 25 20253am Wed, Jun 25 20254am Wed, Jun 25 20255am Wed, Jun 25 20256am Wed, Jun 25 20257am Wed, Jun 25 20258am Wed, Jun 25 20259am Wed, Jun 25 202510am Wed, Jun 25 202511am Wed, Jun 25 202512pm Wed, Jun 25 20251pm Wed, Jun 25 20252pm Wed, Jun 25 20253pm Wed, Jun 25 20254pm Wed, Jun 25 20255pm Wed, Jun 25 20256pm Wed, Jun 25 20257pm Wed, Jun 25 20258pm Wed, Jun 25 20259pm Wed, Jun 25 202510pm Wed, Jun 25 202511pm Wed, Jun 25 202512am Thu, Jun 26 20251am Thu, Jun 26 20252am Thu, Jun 26 20253am Thu, Jun 26 20254am Thu, Jun 26 20255am Thu, Jun 26 20256am Thu, Jun 26 20257am Thu, Jun 26 20258am Thu, Jun 26 20259am Thu, Jun 26 202510am Thu, Jun 26 202511am Thu, Jun 26 202512pm Thu, Jun 26 20251pm Thu, Jun 26 20252pm Thu, Jun 26 20253pm Thu, Jun 26 20254pm Thu, Jun 26 20255pm Thu, Jun 26 20256pm Thu, Jun 26 20257pm Thu, Jun 26 20258pm Thu, Jun 26 20259pm Thu, Jun 26 202510pm Thu, Jun 26 202511pm Thu, Jun 26 202512am Fri, Jun 27 20251am Fri, Jun 27 20252am Fri, Jun 27 20253am Fri, Jun 27 20254am Fri, Jun 27 20255am Fri, Jun 27 20256am Fri, Jun 27 20257am Fri, Jun 27 20258am Fri, Jun 27 20259am Fri, Jun 27 202510am Fri, Jun 27 202511am Fri, Jun 27 202512pm Fri, Jun 27 20251pm Fri, Jun 27 20252pm Fri, Jun 27 20253pm Fri, Jun 27 20254pm Fri, Jun 27 20255pm Fri, Jun 27 20256pm Fri, Jun 27 20257pm Fri, Jun 27 20258pm Fri, Jun 27 20259pm Fri, Jun 27 202510pm Fri, Jun 27 202511pm Fri, Jun 27 202512am Sat, Jun 28 20251am Sat, Jun 28 20252am Sat, Jun 28 20253am Sat, Jun 28 20254am Sat, Jun 28 20255am Sat, Jun 28 20256am Sat, Jun 28 20257am Sat, Jun 28 20258am Sat, Jun 28 20259am Sat, Jun 28 202510am Sat, Jun 28 202511am Sat, Jun 28 202512pm Sat, Jun 28 20251pm Sat, Jun 28 20252pm Sat, Jun 28 20253pm Sat, Jun 28 20254pm Sat, Jun 28 20255pm Sat, Jun 28 20256pm Sat, Jun 28 20257pm Sat, Jun 28 20258pm Sat, Jun 28 20259pm Sat, Jun 28 202510pm Sat, Jun 28 202511pm Sat, Jun 28 202512am Sun, Jun 29 20251am Sun, Jun 29 20252am Sun, Jun 29 20253am Sun, Jun 29 20254am Sun, Jun 29 20255am Sun, Jun 29 20256am Sun, Jun 29 20257am Sun, Jun 29 20258am Sun, Jun 29 20259am Sun, Jun 29 202510am Sun, Jun 29 202511am Sun, Jun 29 202512pm Sun, Jun 29 20251pm Sun, Jun 29 2025

Date	06/25										06/26
Hour (PDT)	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13
Temperature (°F)	72	72	71	70	70	68	67	65	65	65	65	65	64	64	64	61	63	64	65	67	68	69	71	72
Dewpoint (°F)	43	44	44	43	42	40	38	37	38	39	39	36	34	32	31	30	34	34	35	39	42	44	45	46
Heat Index (°F)
Surface Wind (mph)	11	13	14	14	13	11	10	8	8	8	8	8	7	7	7	6	6	6	5	5	5	7	7	7
Wind Dir	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	WSW	WSW	SW	SW	WSW	SW	WSW	WSW	SW	WSW	W	W	W
Gust
Sky Cover (%)	1	1	2	1	2	1	3	4	2	2	5	3	4	1	2	3	6	6	5	2	2	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 (%)	36	36	38	37	36	36	35	36	37	39	38	34	32	31	30	31	34	32	32	35	38	40	40	40
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date											06/27
Hour (PDT)	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13
Temperature (°F)	73	73	73	72	70	68	66	65	65	64	64	63	63	61	60	59	60	61	63	66	69	71	74	76
Dewpoint (°F)	47	47	47	46	44	42	40	40	39	38	36	34	32	30	29	28	29	31	34	37	40	43	45	46
Heat Index (°F)																								76
Surface Wind (mph)	11	11	11	13	13	13	9	9	9	8	8	8	5	5	5	3	3	3	3	3	3	3	3	3
Wind Dir	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	WNW	WNW	WNW	NNW	NNW	NNW	N	N	N
Gust
Sky Cover (%)	1	1	1	1	1	1	3	3	3	2	2	2	1	1	1	2	2	2	2	2	2	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 (%)	40	40	40	39	39	39	39	39	38	38	36	34	32	31	30	31	31	32	33	34	36	36	35	34
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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