Point Forecast: 2 Miles WSW Portola Valley CA  37.37N 122.25W (Elev. 449 m)	Last Update: 8:38 pm PST Feb 15, 2026

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

48-Hour Period Starting: 9pm Sun, Feb 15 202610pm Sun, Feb 15 202611pm Sun, Feb 15 202612am Mon, Feb 16 20261am Mon, Feb 16 20262am Mon, Feb 16 20263am Mon, Feb 16 20264am Mon, Feb 16 20265am Mon, Feb 16 20266am Mon, Feb 16 20267am Mon, Feb 16 20268am Mon, Feb 16 20269am Mon, Feb 16 202610am Mon, Feb 16 202611am Mon, Feb 16 202612pm Mon, Feb 16 20261pm Mon, Feb 16 20262pm Mon, Feb 16 20263pm Mon, Feb 16 20264pm Mon, Feb 16 20265pm Mon, Feb 16 20266pm Mon, Feb 16 20267pm Mon, Feb 16 20268pm Mon, Feb 16 20269pm Mon, Feb 16 202610pm Mon, Feb 16 202611pm Mon, Feb 16 202612am Tue, Feb 17 20261am Tue, Feb 17 20262am Tue, Feb 17 20263am Tue, Feb 17 20264am Tue, Feb 17 20265am Tue, Feb 17 20266am Tue, Feb 17 20267am Tue, Feb 17 20268am Tue, Feb 17 20269am Tue, Feb 17 202610am Tue, Feb 17 202611am Tue, Feb 17 202612pm Tue, Feb 17 20261pm Tue, Feb 17 20262pm Tue, Feb 17 20263pm Tue, Feb 17 20264pm Tue, Feb 17 20265pm Tue, Feb 17 20266pm Tue, Feb 17 20267pm Tue, Feb 17 20268pm Tue, Feb 17 20269pm Tue, Feb 17 202610pm Tue, Feb 17 202611pm Tue, Feb 17 202612am Wed, Feb 18 20261am Wed, Feb 18 20262am Wed, Feb 18 20263am Wed, Feb 18 20264am Wed, Feb 18 20265am Wed, Feb 18 20266am Wed, Feb 18 20267am Wed, Feb 18 20268am Wed, Feb 18 20269am Wed, Feb 18 202610am Wed, Feb 18 202611am Wed, Feb 18 202612pm Wed, Feb 18 20261pm Wed, Feb 18 20262pm Wed, Feb 18 20263pm Wed, Feb 18 20264pm Wed, Feb 18 20265pm Wed, Feb 18 20266pm Wed, Feb 18 20267pm Wed, Feb 18 20268pm Wed, Feb 18 20269pm Wed, Feb 18 202610pm Wed, Feb 18 202611pm Wed, Feb 18 202612am Thu, Feb 19 20261am Thu, Feb 19 20262am Thu, Feb 19 20263am Thu, Feb 19 20264am Thu, Feb 19 20265am Thu, Feb 19 20266am Thu, Feb 19 20267am Thu, Feb 19 20268am Thu, Feb 19 20269am Thu, Feb 19 202610am Thu, Feb 19 202611am Thu, Feb 19 202612pm Thu, Feb 19 20261pm Thu, Feb 19 20262pm Thu, Feb 19 20263pm Thu, Feb 19 20264pm Thu, Feb 19 20265pm Thu, Feb 19 20266pm Thu, Feb 19 20267pm Thu, Feb 19 20268pm Thu, Feb 19 20269pm Thu, Feb 19 202610pm Thu, Feb 19 202611pm Thu, Feb 19 202612am Fri, Feb 20 20261am Fri, Feb 20 20262am Fri, Feb 20 20263am Fri, Feb 20 20264am Fri, Feb 20 20265am Fri, Feb 20 20266am Fri, Feb 20 20267am Fri, Feb 20 20268am Fri, Feb 20 2026

Date	02/15			02/16
Hour (PST)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°C)	10	9	10	10	9	9	9	9	9	8	9	9	8	8	8	9	8	8	8	7	7	8	8	8
Dewpoint (°C)	8	7	8	7	7	7	7	7	7	6	7	7	7	7	8	8	8	7	7	7	6	6	6	5
Wind Chill (°C)	8	7	8	8	7	7	7	7	7	6	7	7	6	5	5	6	5	4	4	3	3	3	3	3
Surface Wind (mph)	13	10	10	9	9	9	9	9	9	9	9	10	10	10	11	11	14	14	14	14	16	18	20	20
Wind Dir	SSW	SSW	SSW	S	S	S	S	SSE	SE	ENE	E	NE	NE	NE	NNE	NW	W	W	W	WNW	W	W	WSW	W
Gust
Sky Cover (%)	96	96	94	93	98	99	98	91	94	97	96	99	94	100	100	100	100	100	100	96	96	96	96	96
Precipitation Potential (%)	94	94	90	89	96	98	97	86	91	95	94	98	91	100	100	100	100	100	100	94	94	94	94	94
Relative Humidity (%)	85	86	85	85	85	87	87	89	85	87	87	87	94	96	98	98	97	96	92	96	92	90	86	83
Rain	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl
Thunder	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date				02/17
Hour (PST)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°C)	8	8	8	7	7	7	7	7	7	7	8	8	8	7	7	7	7	7	7	7	7	7	7	7
Dewpoint (°C)	4	4	3	3	3	3	3	3	3	3	3	4	4	5	5	6	6	5	5	4	4	4	4	3
Wind Chill (°C)	4	4	4	3	3	3	3	2	3	3	3	3	3	2	2	2	2	2	2	2	2	2	2	3
Surface Wind (mph)	18	17	17	17	16	16	16	17	17	17	22	22	22	29	29	29	29	29	29	25	25	25	22	22
Wind Dir	W	W	W	W	W	W	W	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
Gust											32	32	32	37	37	37	36	36	36	32	32	32	32	32
Sky Cover (%)	96	71	71	71	71	71	71	95	95	95	95	95	95	100	100	100	100	100	100	99	99	99	99	99
Precipitation Potential (%)	94	57	57	57	57	57	57	92	92	92	92	92	92	100	100	100	100	100	100	98	98	98	98	98
Relative Humidity (%)	81	76	74	74	74	75	75	76	75	74	75	78	81	84	86	88	88	88	87	86	84	82	79	75
Rain	Ocnl	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl
Thunder	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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