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Point Forecast: 4 Miles S Clayton CA  37.87N 121.95W (Elev. 1509 ft)	Last Update: 3:01 pm PST Dec 15, 2019

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Weather Elements Weather/Precipitation Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Lightning Activity Level Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s

48-Hour Period Starting: 7pm Sun, Dec 15 20198pm Sun, Dec 15 20199pm Sun, Dec 15 201910pm Sun, Dec 15 201911pm Sun, Dec 15 201912am Mon, Dec 16 20191am Mon, Dec 16 20192am Mon, Dec 16 20193am Mon, Dec 16 20194am Mon, Dec 16 20195am Mon, Dec 16 20196am Mon, Dec 16 20197am Mon, Dec 16 20198am Mon, Dec 16 20199am Mon, Dec 16 201910am Mon, Dec 16 201911am Mon, Dec 16 201912pm Mon, Dec 16 20191pm Mon, Dec 16 20192pm Mon, Dec 16 20193pm Mon, Dec 16 20194pm Mon, Dec 16 20195pm Mon, Dec 16 20196pm Mon, Dec 16 20197pm Mon, Dec 16 20198pm Mon, Dec 16 20199pm Mon, Dec 16 201910pm Mon, Dec 16 201911pm Mon, Dec 16 201912am Tue, Dec 17 20191am Tue, Dec 17 20192am Tue, Dec 17 20193am Tue, Dec 17 20194am Tue, Dec 17 20195am Tue, Dec 17 20196am Tue, Dec 17 20197am Tue, Dec 17 20198am Tue, Dec 17 20199am Tue, Dec 17 201910am Tue, Dec 17 201911am Tue, Dec 17 201912pm Tue, Dec 17 20191pm Tue, Dec 17 20192pm Tue, Dec 17 20193pm Tue, Dec 17 20194pm Tue, Dec 17 20195pm Tue, Dec 17 20196pm Tue, Dec 17 20197pm Tue, Dec 17 20198pm Tue, Dec 17 20199pm Tue, Dec 17 201910pm Tue, Dec 17 201911pm Tue, Dec 17 201912am Wed, Dec 18 20191am Wed, Dec 18 20192am Wed, Dec 18 20193am Wed, Dec 18 20194am Wed, Dec 18 20195am Wed, Dec 18 20196am Wed, Dec 18 20197am Wed, Dec 18 20198am Wed, Dec 18 20199am Wed, Dec 18 201910am Wed, Dec 18 201911am Wed, Dec 18 201912pm Wed, Dec 18 20191pm Wed, Dec 18 20192pm Wed, Dec 18 20193pm Wed, Dec 18 20194pm Wed, Dec 18 20195pm Wed, Dec 18 20196pm Wed, Dec 18 20197pm Wed, Dec 18 20198pm Wed, Dec 18 20199pm Wed, Dec 18 201910pm Wed, Dec 18 201911pm Wed, Dec 18 201912am Thu, Dec 19 20191am Thu, Dec 19 20192am Thu, Dec 19 20193am Thu, Dec 19 20194am Thu, Dec 19 20195am Thu, Dec 19 20196am Thu, Dec 19 20197am Thu, Dec 19 20198am Thu, Dec 19 20199am Thu, Dec 19 201910am Thu, Dec 19 201911am Thu, Dec 19 201912pm Thu, Dec 19 20191pm Thu, Dec 19 20192pm Thu, Dec 19 20193pm Thu, Dec 19 20194pm Thu, Dec 19 20195pm Thu, Dec 19 20196pm Thu, Dec 19 20197pm Thu, Dec 19 20198pm Thu, Dec 19 20199pm Thu, Dec 19 201910pm Thu, Dec 19 201911pm Thu, Dec 19 201912am Fri, Dec 20 20191am Fri, Dec 20 20192am Fri, Dec 20 20193am Fri, Dec 20 20194am Fri, Dec 20 20195am Fri, Dec 20 20196am Fri, Dec 20 2019

Date	12/15					12/16
Hour (PST)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	42	41	40	39	40	39	36	37	37	36	36	36	34	36	43	44	47	49	49	50	51	50	46	43
Dewpoint (°F)	36	36	35	35	35	34	32	32	31	30	30	30	29	29	32	33	34	34	34	33	33	33	31	30
Wind Chill (°F)	39	38	37	34	35	34	29	29	29	26	27	27	24	26	35	37	41	43	44	45		45	41	37
Surface Wind (mph)	3	3	3	7	7	7	11	11	11	14	14	14	16	16	16	15	15	15	11	11	11	11	11	11
Wind Dir	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	NE	NE
Gust										20	20	20	25	25	25	23	23	23
Sky Cover (%)	20	9	25	36	61	58	64	67	34	30	32	17	5	4	4	2	2	2	10	10	10	12	12	12
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 (%)	81	82	82	85	83	81	84	82	80	80	78	78	80	78	66	66	61	56	56	53	52	52	56	60
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						12/17
Hour (PST)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	39	38	38	38	38	37	37	37	37	37	37	37	37	39	42	44	46	48	48	49	49	49	47	45
Dewpoint (°F)	29	29	30	30	30	31	31	31	30	30	30	30	30	31	32	33	34	35	35	35	35	34	34	33
Wind Chill (°F)	33	32	32	30	29	29	31	31	31	34	34	34	35	37	39	41	43	45	45	46	46	45	43	40
Surface Wind (mph)	9	9	9	13	13	13	9	9	9	5	5	5	3	3	3	3	3	3	8	8	8	15	15	15
Wind Dir	ENE	ENE	ENE	E	E	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	E	E	E
Gust				20	20	20																23	23	23
Sky Cover (%)	31	31	31	76	76	76	93	93	93	93	93	93	100	100	100	96	96	96	100	100	100	96	96	96
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	8	8	8	8	8	8	29	29	29
Relative Humidity (%)	65	68	72	72	75	78	79	79	77	76	76	77	76	73	69	65	62	60	59	58	57	57	60	64
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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