Point Forecast: 4 Miles S Clayton CA  37.87N 121.92W (Elev. 2818 ft)	Last Update: 2:15 am PDT Jun 20, 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: 4am Fri, Jun 20 20255am Fri, Jun 20 20256am Fri, Jun 20 20257am Fri, Jun 20 20258am Fri, Jun 20 20259am Fri, Jun 20 202510am Fri, Jun 20 202511am Fri, Jun 20 202512pm Fri, Jun 20 20251pm Fri, Jun 20 20252pm Fri, Jun 20 20253pm Fri, Jun 20 20254pm Fri, Jun 20 20255pm Fri, Jun 20 20256pm Fri, Jun 20 20257pm Fri, Jun 20 20258pm Fri, Jun 20 20259pm Fri, Jun 20 202510pm Fri, Jun 20 202511pm Fri, Jun 20 202512am Sat, Jun 21 20251am Sat, Jun 21 20252am Sat, Jun 21 20253am Sat, Jun 21 20254am Sat, Jun 21 20255am Sat, Jun 21 20256am Sat, Jun 21 20257am Sat, Jun 21 20258am Sat, Jun 21 20259am Sat, Jun 21 202510am Sat, Jun 21 202511am Sat, Jun 21 202512pm Sat, Jun 21 20251pm Sat, Jun 21 20252pm Sat, Jun 21 20253pm Sat, Jun 21 20254pm Sat, Jun 21 20255pm Sat, Jun 21 20256pm Sat, Jun 21 20257pm Sat, Jun 21 20258pm Sat, Jun 21 20259pm Sat, Jun 21 202510pm Sat, Jun 21 202511pm Sat, Jun 21 202512am Sun, Jun 22 20251am Sun, Jun 22 20252am Sun, Jun 22 20253am Sun, Jun 22 20254am Sun, Jun 22 20255am Sun, Jun 22 20256am Sun, Jun 22 20257am Sun, Jun 22 20258am Sun, Jun 22 20259am Sun, Jun 22 202510am Sun, Jun 22 202511am Sun, Jun 22 202512pm Sun, Jun 22 20251pm Sun, Jun 22 20252pm Sun, Jun 22 20253pm Sun, Jun 22 20254pm Sun, Jun 22 20255pm Sun, Jun 22 20256pm Sun, Jun 22 20257pm Sun, Jun 22 20258pm Sun, Jun 22 20259pm Sun, Jun 22 202510pm Sun, Jun 22 202511pm Sun, Jun 22 202512am Mon, Jun 23 20251am Mon, Jun 23 20252am Mon, Jun 23 20253am Mon, Jun 23 20254am Mon, Jun 23 20255am Mon, Jun 23 20256am Mon, Jun 23 20257am Mon, Jun 23 20258am Mon, Jun 23 20259am Mon, Jun 23 202510am Mon, Jun 23 202511am Mon, Jun 23 202512pm Mon, Jun 23 20251pm Mon, Jun 23 20252pm Mon, Jun 23 20253pm Mon, Jun 23 20254pm Mon, Jun 23 20255pm Mon, Jun 23 20256pm Mon, Jun 23 20257pm Mon, Jun 23 20258pm Mon, Jun 23 20259pm Mon, Jun 23 202510pm Mon, Jun 23 202511pm Mon, Jun 23 202512am Tue, Jun 24 20251am Tue, Jun 24 20252am Tue, Jun 24 20253am Tue, Jun 24 20254am Tue, Jun 24 20255am Tue, Jun 24 20256am Tue, Jun 24 20257am Tue, Jun 24 20258am Tue, Jun 24 20259am Tue, Jun 24 202510am Tue, Jun 24 202511am Tue, Jun 24 202512pm Tue, Jun 24 20251pm Tue, Jun 24 20252pm Tue, Jun 24 20253pm Tue, Jun 24 2025

Date	06/20																				06/21
Hour (PDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	54	54	52	53	53	54	55	56	58	58	59	60	59	58	57	56	55	54	54	53	53	53	53	52
Dewpoint (°F)	29	30	32	31	31	33	35	37	39	39	38	39	39	38	38	35	33	32	33	32	33	31	30	28
Heat Index (°F)
Surface Wind (mph)	15	14	14	14	14	15	15	15	17	18	18	20	20	20	20	18	18	17	16	16	16	15	13	11
Wind Dir	WSW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	NW	NW
Gust	28	26	25	23	23	23	23	23	24	25	25	26	28	29	30	30	31	31	31	30	29	28	25	23
Sky Cover (%)	13	13	28	30	18	12	6	2	1	1	1	1	3	2	2	2	2	3	1	0	0	0	0	0
Precipitation Potential (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	39	40	45	42	42	45	46	47	49	49	46	46	47	48	48	46	44	44	45	45	45	43	41	40
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					06/22
Hour (PDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	51	51	49	51	52	54	55	57	60	62	64	64	64	64	64	65	64	63	62	61	60	60	59	58
Dewpoint (°F)	27	27	28	27	26	28	30	32	33	33	33	34	35	35	35	34	34	34	35	35	33	32	30	29
Heat Index (°F)
Surface Wind (mph)	11	10	10	11	11	11	11	11	11	11	13	13	13	13	13	13	11	11	11	10	10	10	9	9
Wind Dir	NW	NW	NW	WNW	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	W	W	W	WSW	WSW	WSW	W	W
Gust	22	20	21	24	24	23	23	23	23	23	24	24	24	23	23	23	23	23	23	20	20	20	18	18
Sky Cover (%)	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	2	2	2	1	1	1	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 (%)	39	39	44	39	36	37	38	38	36	34	32	32	33	34	33	32	32	34	36	37	36	34	32	32
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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