Point Forecast: 2 Miles WSW Portola Valley CA  37.37N 122.25W (Elev. 449 m)	Last Update: 2:07 am PDT Jun 25, 2024

[hide menu]

Weather Elements Weather/Precipitation Temperature (°C) Dewpoint (°C) Heat Index (°C) 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: 7am Tue, Jun 25 20248am Tue, Jun 25 20249am Tue, Jun 25 202410am Tue, Jun 25 202411am Tue, Jun 25 202412pm Tue, Jun 25 20241pm Tue, Jun 25 20242pm Tue, Jun 25 20243pm Tue, Jun 25 20244pm Tue, Jun 25 20245pm Tue, Jun 25 20246pm Tue, Jun 25 20247pm Tue, Jun 25 20248pm Tue, Jun 25 20249pm Tue, Jun 25 202410pm Tue, Jun 25 202411pm Tue, Jun 25 202412am Wed, Jun 26 20241am Wed, Jun 26 20242am Wed, Jun 26 20243am Wed, Jun 26 20244am Wed, Jun 26 20245am Wed, Jun 26 20246am Wed, Jun 26 20247am Wed, Jun 26 20248am Wed, Jun 26 20249am Wed, Jun 26 202410am Wed, Jun 26 202411am Wed, Jun 26 202412pm Wed, Jun 26 20241pm Wed, Jun 26 20242pm Wed, Jun 26 20243pm Wed, Jun 26 20244pm Wed, Jun 26 20245pm Wed, Jun 26 20246pm Wed, Jun 26 20247pm Wed, Jun 26 20248pm Wed, Jun 26 20249pm Wed, Jun 26 202410pm Wed, Jun 26 202411pm Wed, Jun 26 202412am Thu, Jun 27 20241am Thu, Jun 27 20242am Thu, Jun 27 20243am Thu, Jun 27 20244am Thu, Jun 27 20245am Thu, Jun 27 20246am Thu, Jun 27 20247am Thu, Jun 27 20248am Thu, Jun 27 20249am Thu, Jun 27 202410am Thu, Jun 27 202411am Thu, Jun 27 202412pm Thu, Jun 27 20241pm Thu, Jun 27 20242pm Thu, Jun 27 20243pm Thu, Jun 27 20244pm Thu, Jun 27 20245pm Thu, Jun 27 20246pm Thu, Jun 27 20247pm Thu, Jun 27 20248pm Thu, Jun 27 20249pm Thu, Jun 27 202410pm Thu, Jun 27 202411pm Thu, Jun 27 202412am Fri, Jun 28 20241am Fri, Jun 28 20242am Fri, Jun 28 20243am Fri, Jun 28 20244am Fri, Jun 28 20245am Fri, Jun 28 20246am Fri, Jun 28 20247am Fri, Jun 28 20248am Fri, Jun 28 20249am Fri, Jun 28 202410am Fri, Jun 28 202411am Fri, Jun 28 202412pm Fri, Jun 28 20241pm Fri, Jun 28 20242pm Fri, Jun 28 20243pm Fri, Jun 28 20244pm Fri, Jun 28 20245pm Fri, Jun 28 20246pm Fri, Jun 28 20247pm Fri, Jun 28 20248pm Fri, Jun 28 20249pm Fri, Jun 28 202410pm Fri, Jun 28 202411pm Fri, Jun 28 202412am Sat, Jun 29 20241am Sat, Jun 29 20242am Sat, Jun 29 20243am Sat, Jun 29 20244am Sat, Jun 29 20245am Sat, Jun 29 20246am Sat, Jun 29 20247am Sat, Jun 29 20248am Sat, Jun 29 20249am Sat, Jun 29 202410am Sat, Jun 29 202411am Sat, Jun 29 202412pm Sat, Jun 29 20241pm Sat, Jun 29 20242pm Sat, Jun 29 20243pm Sat, Jun 29 20244pm Sat, Jun 29 20245pm Sat, Jun 29 20246pm Sat, Jun 29 2024

Date	06/25																	06/26
Hour (PDT)	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06
Temperature (°C)	17	18	20	20	21	23	24	24	25	24	23	22	20	18	17	16	15	15	14	14	13	13	13	12
Dewpoint (°C)	7	8	10	11	11	13	13	13	13	12	11	11	10	10	9	9	8	8	9	9	9	9	8	8
Heat Index (°C)							24	24	25	24
Surface Wind (mph)	2	2	3	3	5	5	5	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Wind Dir	SW	WSW	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	WSW	WSW	WSW	W	WSW	WSW	W	WSW	WSW	W	WSW	WSW	W	WSW
Gust
Sky Cover (%)	57	70	66	50	44	44	22	22	22	22	10	8	5	13	12	10	11	9	9	15	17	20	23	23
Precipitation Potential (%)	15	15	15	15	14	14	14	14	14	14	3	3	3	3	3	3	7	7	7	7	7	7	0	0
Relative Humidity (%)	49	52	52	55	53	53	51	47	47	46	46	49	53	60	61	62	64	65	68	72	73	74	75	77
Rain	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																		06/27
Hour (PDT)	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06
Temperature (°C)	13	13	14	16	17	19	20	21	21	20	19	18	17	15	14	14	13	13	13	13	12	12	12	12
Dewpoint (°C)	9	10	11	11	11	12	12	12	11	11	11	10	9	9	8	8	8	8	8	8	8	8	8	8
Heat Index (°C)
Surface Wind (mph)	6	6	7	7	7	8	8	9	9	9	10	10	10	9	9	9	9	9	10	9	9	9	9	9
Wind Dir	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW
Gust
Sky Cover (%)	14	14	7	2	3	4	4	5	5	4	4	5	5	6	7	7	8	8	9	9	11	13	15	16
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 (%)	79	79	76	72	68	63	60	57	56	55	56	59	62	66	68	68	69	71	72	74	75	76	77	78
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

English Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Hourly River Stages Hourly Rainfall NWS Office Map Weather Calculator User Defined Area