Point Forecast: 4 Miles S Portola Valley CA  37.33N 122.21W (Elev. 2231 ft)	Last Update: 1:50 am PDT May 13, 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: 6am Mon, May 13 20247am Mon, May 13 20248am Mon, May 13 20249am Mon, May 13 202410am Mon, May 13 202411am Mon, May 13 202412pm Mon, May 13 20241pm Mon, May 13 20242pm Mon, May 13 20243pm Mon, May 13 20244pm Mon, May 13 20245pm Mon, May 13 20246pm Mon, May 13 20247pm Mon, May 13 20248pm Mon, May 13 20249pm Mon, May 13 202410pm Mon, May 13 202411pm Mon, May 13 202412am Tue, May 14 20241am Tue, May 14 20242am Tue, May 14 20243am Tue, May 14 20244am Tue, May 14 20245am Tue, May 14 20246am Tue, May 14 20247am Tue, May 14 20248am Tue, May 14 20249am Tue, May 14 202410am Tue, May 14 202411am Tue, May 14 202412pm Tue, May 14 20241pm Tue, May 14 20242pm Tue, May 14 20243pm Tue, May 14 20244pm Tue, May 14 20245pm Tue, May 14 20246pm Tue, May 14 20247pm Tue, May 14 20248pm Tue, May 14 20249pm Tue, May 14 202410pm Tue, May 14 202411pm Tue, May 14 202412am Wed, May 15 20241am Wed, May 15 20242am Wed, May 15 20243am Wed, May 15 20244am Wed, May 15 20245am Wed, May 15 20246am Wed, May 15 20247am Wed, May 15 20248am Wed, May 15 20249am Wed, May 15 202410am Wed, May 15 202411am Wed, May 15 202412pm Wed, May 15 20241pm Wed, May 15 20242pm Wed, May 15 20243pm Wed, May 15 20244pm Wed, May 15 20245pm Wed, May 15 20246pm Wed, May 15 20247pm Wed, May 15 20248pm Wed, May 15 20249pm Wed, May 15 202410pm Wed, May 15 202411pm Wed, May 15 202412am Thu, May 16 20241am Thu, May 16 20242am Thu, May 16 20243am Thu, May 16 20244am Thu, May 16 20245am Thu, May 16 20246am Thu, May 16 20247am Thu, May 16 20248am Thu, May 16 20249am Thu, May 16 202410am Thu, May 16 202411am Thu, May 16 202412pm Thu, May 16 20241pm Thu, May 16 20242pm Thu, May 16 20243pm Thu, May 16 20244pm Thu, May 16 20245pm Thu, May 16 20246pm Thu, May 16 20247pm Thu, May 16 20248pm Thu, May 16 20249pm Thu, May 16 202410pm Thu, May 16 202411pm Thu, May 16 202412am Fri, May 17 20241am Fri, May 17 20242am Fri, May 17 20243am Fri, May 17 20244am Fri, May 17 20245am Fri, May 17 20246am Fri, May 17 20247am Fri, May 17 20248am Fri, May 17 20249am Fri, May 17 202410am Fri, May 17 202411am Fri, May 17 202412pm Fri, May 17 20241pm Fri, May 17 20242pm Fri, May 17 20243pm Fri, May 17 20244pm Fri, May 17 20245pm Fri, May 17 2024

Date	05/13																		05/14
Hour (PDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	53	55	56	57	59	60	61	61	61	63	61	61	60	58	55	56	56	55	54	54	53	52	52	51
Dewpoint (°F)	39	39	41	42	45	47	49	49	49	50	49	49	49	47	44	41	40	39	38	38	38	37	36	35
Heat Index (°F)
Surface Wind (mph)	7	7	7	6	6	6	7	8	9	9	10	9	9	8	7	7	7	6	6	6	6	6	6	7
Wind Dir	W	W	WNW	WNW	W	W	W	W	WSW	WSW	WSW	SW	SW	SW	SW	SW	SSW	SW	SSW	SSW	SSW	S	SSW	S
Gust
Sky Cover (%)	57	57	57	57	57	57	6	4	7	3	7	4	3	4	8	57	40	22	22	22	27	27	27	57
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 (%)	60	56	56	58	60	60	64	65	64	62	64	65	66	67	66	58	55	55	55	56	56	56	54	54
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																			05/15
Hour (PDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	52	53	55	57	59	61	62	63	63	63	63	62	59	57	54	53	52	51	51	50	50	49	49	49
Dewpoint (°F)	36	38	40	42	45	47	48	50	51	52	52	52	50	48	46	45	45	44	44	43	43	42	42	42
Heat Index (°F)
Surface Wind (mph)	7	7	6	6	6	6	6	6	9	9	9	9	9	9	7	7	7	7	7	7	7	7	7	6
Wind Dir	S	S	S	S	S	WSW	WSW	WSW	W	W	W	W	W	W	WSW	WSW	WSW	SW	SW	SW	SSW	SSW	SSW	SSW
Gust
Sky Cover (%)	57	57	57	57	57	9	9	9	9	9	9	12	12	12	21	21	21	25	25	25	57	57	57	57
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 (%)	55	57	58	59	59	60	62	64	66	67	68	70	71	73	74	75	76	76	76	76	76	76	76	75
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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