Point Forecast: 8 Miles S Portola Valley CA  37.26N 122.22W (Elev. 449 ft)	Last Update: 1:25 pm PDT May 4, 2024

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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 Lightning Activity Level Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s

48-Hour Period Starting: 3pm Sat, May 4 20244pm Sat, May 4 20245pm Sat, May 4 20246pm Sat, May 4 20247pm Sat, May 4 20248pm Sat, May 4 20249pm Sat, May 4 202410pm Sat, May 4 202411pm Sat, May 4 202412am Sun, May 5 20241am Sun, May 5 20242am Sun, May 5 20243am Sun, May 5 20244am Sun, May 5 20245am Sun, May 5 20246am Sun, May 5 20247am Sun, May 5 20248am Sun, May 5 20249am Sun, May 5 202410am Sun, May 5 202411am Sun, May 5 202412pm Sun, May 5 20241pm Sun, May 5 20242pm Sun, May 5 20243pm Sun, May 5 20244pm Sun, May 5 20245pm Sun, May 5 20246pm Sun, May 5 20247pm Sun, May 5 20248pm Sun, May 5 20249pm Sun, May 5 202410pm Sun, May 5 202411pm Sun, May 5 202412am Mon, May 6 20241am Mon, May 6 20242am Mon, May 6 20243am Mon, May 6 20244am Mon, May 6 20245am Mon, May 6 20246am Mon, May 6 20247am Mon, May 6 20248am Mon, May 6 20249am Mon, May 6 202410am Mon, May 6 202411am Mon, May 6 202412pm Mon, May 6 20241pm Mon, May 6 20242pm Mon, May 6 20243pm Mon, May 6 20244pm Mon, May 6 20245pm Mon, May 6 20246pm Mon, May 6 20247pm Mon, May 6 20248pm Mon, May 6 20249pm Mon, May 6 202410pm Mon, May 6 202411pm Mon, May 6 202412am Tue, May 7 20241am Tue, May 7 20242am Tue, May 7 20243am Tue, May 7 20244am Tue, May 7 20245am Tue, May 7 20246am Tue, May 7 20247am Tue, May 7 20248am Tue, May 7 20249am Tue, May 7 202410am Tue, May 7 202411am Tue, May 7 202412pm Tue, May 7 20241pm Tue, May 7 20242pm Tue, May 7 20243pm Tue, May 7 20244pm Tue, May 7 20245pm Tue, May 7 20246pm Tue, May 7 20247pm Tue, May 7 20248pm Tue, May 7 20249pm Tue, May 7 202410pm Tue, May 7 202411pm Tue, May 7 202412am Wed, May 8 20241am Wed, May 8 20242am Wed, May 8 20243am Wed, May 8 20244am Wed, May 8 20245am Wed, May 8 20246am Wed, May 8 20247am Wed, May 8 20248am Wed, May 8 20249am Wed, May 8 202410am Wed, May 8 202411am Wed, May 8 202412pm Wed, May 8 20241pm Wed, May 8 20242pm Wed, May 8 20243pm Wed, May 8 20244pm Wed, May 8 20245pm Wed, May 8 20246pm Wed, May 8 20247pm Wed, May 8 20248pm Wed, May 8 20249pm Wed, May 8 202410pm Wed, May 8 202411pm Wed, May 8 202412am Thu, May 9 20241am Thu, May 9 20242am Thu, May 9 2024

Date	05/04									05/05
Hour (PDT)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°F)	51	50	50	50	49	46	45	45	44	44	44	43	43	43	42	43	44	45	48	50	53	55	56	56
Dewpoint (°F)	48	47	46	45	44	43	42	42	41	41	41	41	40	40	39	40	40	40	42	42	42	42	42	43
Heat Index (°F)
Surface Wind (mph)	10	11	11	11	10	8	8	7	6	5	5	8	3	5	6	6	6	7	9	9	10	10	10	10
Wind Dir	W	WNW	WNW	W	WNW	W	W	W	WNW	W	W	WNW	WNW	WNW	WNW	WNW	WNW	NW	NW	NW	WNW	WNW	WNW	WNW
Gust	20	20	18	20	18	18	20	18				18
Sky Cover (%)	92	86	88	30	94	90	56	51	92	43	49	76	54	87	58	63	65	83	63	38	32	20	16	15
Precipitation Potential (%)	63	63	17	17	17	11	11	21	11	11	24	18	13	13	7	7	7	7	7	7	4	4	4	4
Relative Humidity (%)	91	88	83	85	85	89	89	90	90	90	88	90	89	90	89	91	87	83	79	72	66	62	61	61
Rain	Lkly	Lkly	SChc	SChc	SChc	--	--	SChc	--	--	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date										05/06
Hour (PDT)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°F)	55	55	54	52	50	47	46	45	44	44	43	43	43	43	43	44	45	47	50	53	56	58	60	60
Dewpoint (°F)	43	42	42	43	42	42	42	42	42	42	41	41	41	40	40	41	42	43	44	44	45	46	47	48
Heat Index (°F)
Surface Wind (mph)	10	9	9	8	8	6	3	2	2	2	2	2	2	2	1	1	1	5	5	5	7	7	7	10
Wind Dir	WNW	WNW	WNW	WNW	WNW	WNW	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	NW	NW	NW	NW	NW	NW	WNW
Gust
Sky Cover (%)	7	2	4	4	6	8	11	26	41	41	41	19	19	19	11	11	11	18	18	18	36	36	36	49
Precipitation Potential (%)	4	4	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	63	62	64	69	75	84	88	90	92	92	92	92	92	92	91	90	89	86	79	72	67	64	64	65
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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