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Portola Valley

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Weather in Portola Valley

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Weather archive at the weather station ( 28 km, +10 °C )

0 °C

24 hours ago at the airport (14 km) it was 0 °C, . Thunderstorm, freezing (supercooled) shower(s). Horizontal visibility 0.0 km. Weather archive at the airport

Today we expect +7..+16 °C°F, +45..+61 °C°F, without precipitation, light breeze. Tomorrow: +14..+6 °C°F, +57..+43 °C°F, without precipitation, fog, light breeze.

7 days

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Tomorrow

Sat

Sun

Mon

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Wed

Today, Thu, December 19					Tomorrow, Fri, December 20				Sat, December 21				Sun, December 22				Mon, December 23				Tue, December 24				Wed, December 25
Local time	04	10	16	22	04	10	16	22	04	10	16	22	04	10	16	22	04	10	16	22	04	10	16	22	04	10	16
Cloudiness, % 1/10 oktas
Precipitation, mm Precipitation, inches
Fog, %								11		5	3	40	34		5					16	19		5	19	13
Temperature, °C °F	+6 +43	+12 +54	+15 +59	+8 +46	+6 +43	+12 +54	+13 +55	+7 +45	+10 +50	+13 +55	+13 +55	+9 +48	+10 +50	+13 +55	+14 +57	+10 +50	+10 +50	+15 +59	+16 +61	+13 +55	+14 +57	+14 +57	+12 +54	+7 +45	+7 +45	+10 +50	+11 +52
Feels like, °C °F	+5 +41			+7 +45				+5 +41	+8 +46																+6 +43	+8 +46
Pressure, mmHg inches mbar hPa	751 29.57 1001 1001	752 29.61 1003 1003	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	752 29.61 1003 1003	750 29.53 1000 1000	751 29.57 1001 1001	749 29.49 999 999	752 29.61 1003 1003	754 29.69 1005 1005	753 29.65 1004 1004	753 29.65 1004 1004	754 29.69 1005 1005	753 29.65 1004 1004	753 29.65 1004 1004	753 29.65 1004 1004	753 29.65 1004 1004	752 29.61 1003 1003	752 29.61 1003 1003	749 29.49 999 999	751 29.57 1001 1001	750 29.53 1000 1000	751 29.57 1001 1001	752 29.61 1003 1003	755 29.72 1007 1007	753 29.65 1004 1004
Wind: speed , m/s km/h mph knots Bft	2 7 4 4 2	2 7 4 4 2	1 4 2 2 1	2 7 4 4 2	0	2 7 4 4 2	2 7 4 4 2	3 11 7 6 2	5 18 11 10 3	4 14 9 8 3	1 4 2 2 1	0	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	3 11 7 6 2	3 11 7 6 2	6 22 13 12 4	3 11 7 6 2	5 18 11 10 3	1 4 2 2 1	2 7 4 4 2	3 11 7 6 2	3 11 7 6 2
gusts, m/s km/h mph knots Bft							5 18 11 10 3		10 36 22 19 5	10 36 22 19 5				4 14 9 8 3					6 22 13 12 4	6 22 13 12 4	13 47 29 25 6	6 22 13 12 4	10 36 22 19 5		5 18 11 10 3		7 25 16 14 4
direction	E	NE	NE	E	calm	SE	W	S	S	S	SE	calm	SE	SW	SW	S	SE	S	SE	S	S	SW	SW	W	NW	NW	NW
Humidity, %	84	72	82	76	90	77	87	100	92	94	100	100	100	91	98	81	84	91	94	100	97	92	99	99	97	86	82
Sun: rise set		07:18	16:54			07:19	16:54			07:19	16:54			07:20	16:55			07:20	16:56			07:21	16:56		07:21	16:57
Moon: rise set		21:37	10:54			22:38	11:19			23:36	11:42			00:33	12:03			00:32	12:23			01:30	12:45		02:28	13:09
phase

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Weather News

1 hour ago, the minimum air temperature ( -8 ^oC +18 ^oF ) was observed in Nevada in Truckee (airport).

2 hours ago, the maximum air temperature ( +21 ^oC +70 ^oF ) was observed in Los Angeles in Avalon / Catalina (airport).

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Today, Thursday, December 19																						Tomorrow, Friday, December 20																							Saturday, December 21								Sunday, December 22								Monday, December 23								Tuesday, December 24							Wednesday, December 25
Local time	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	01	04	07	10	13	16	19	22	01	04	07	10	13	16	19	22	01	04	07	10	13	16	19	22	01	04	07	10	13	16	22	04	10	16	Local time
Cloudiness, % 1/10 oktas																																																																															Cloudiness, % 1/10 oktas
Precipitation, mm Precipitation, inches																																																																															Precipitation, mm Precipitation, inches
Fog, %					5																								3	11									5	19	16	3	3	11	13			5		3	26	40	34	34	25			5									5	16	19	19	13			5	19	13			Fog, %
Temperature, °C °F	+6 +43	+6 +43	+6 +43	+6 +43	+6 +43	+7 +45	+10 +50	+12 +54	+15 +59	+16 +61	+16 +61	+16 +61	+16 +61	+15 +59	+11 +52	+9 +48	+8 +46	+9 +48	+9 +48	+8 +46	+8 +46	+7 +45	+7 +45	+7 +45	+7 +45	+6 +43	+6 +43	+7 +45	+7 +45	+6 +43	+10 +50	+12 +54	+14 +57	+14 +57	+13 +55	+14 +57	+14 +57	+13 +55	+10 +50	+9 +48	+6 +43	+9 +48	+8 +46	+7 +45	+8 +46	+10 +50	+10 +50	+13 +55	+13 +55	+13 +55	+8 +46	+9 +48	+9 +48	+10 +50	+10 +50	+13 +55	+16 +61	+14 +57	+9 +48	+10 +50	+10 +50	+10 +50	+11 +52	+15 +59	+16 +61	+16 +61	+12 +54	+13 +55	+13 +55	+14 +57	+13 +55	+14 +57	+14 +57	+12 +54	+7 +45	+7 +45	+10 +50	+11 +52	Temperature, °C °F
Feels like, °C °F		+5 +41	+5 +41	+5 +41	+5 +41	+6 +43	+9 +48												+8 +46	+7 +45								+6 +43													+5 +41	+7 +45	+6 +43	+5 +41	+6 +43	+8 +46	+8 +46														+9 +48															+6 +43	+8 +46		Feels like, °C °F
Pressure, mmHg inches mbar hPa	752 29.61 1003 1003	751 29.57 1001 1001	751 29.57 1001 1001	751 29.57 1001 1001	751 29.57 1001 1001	752 29.61 1003 1003	752 29.61 1003 1003	752 29.61 1003 1003	752 29.61 1003 1003	751 29.57 1001 1001	751 29.57 1001 1001	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	749 29.49 999 999	749 29.49 999 999	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	751 29.57 1001 1001	752 29.61 1003 1003	752 29.61 1003 1003	751 29.57 1001 1001	752 29.61 1003 1003	751 29.57 1001 1001	751 29.57 1001 1001	750 29.53 1000 1000	750 29.53 1000 1000	750 29.53 1000 1000	751 29.57 1001 1001	751 29.57 1001 1001	751 29.57 1001 1001	751 29.57 1001 1001	751 29.57 1001 1001	751 29.57 1001 1001	749 29.49 999 999	751 29.57 1001 1001	752 29.61 1003 1003	753 29.65 1004 1004	754 29.69 1005 1005	754 29.69 1005 1005	753 29.65 1004 1004	753 29.65 1004 1004	753 29.65 1004 1004	754 29.69 1005 1005	754 29.69 1005 1005	753 29.65 1004 1004	753 29.65 1004 1004	754 29.69 1005 1005	753 29.65 1004 1004	754 29.69 1005 1005	753 29.65 1004 1004	753 29.65 1004 1004	753 29.65 1004 1004	753 29.65 1004 1004	752 29.61 1003 1003	752 29.61 1003 1003	752 29.61 1003 1003	751 29.57 1001 1001	749 29.49 999 999	750 29.53 1000 1000	751 29.57 1001 1001	750 29.53 1000 1000	750 29.53 1000 1000	751 29.57 1001 1001	752 29.61 1003 1003	755 29.72 1007 1007	753 29.65 1004 1004	Pressure, mmHg inches mbar hPa
Wind: speed , m/s km/h mph knots Bft	1 4 2 2 1	2 7 4 4 2	2 7 4 4 2	2 7 4 4 2	2 7 4 4 2	2 7 4 4 2	2 7 4 4 2	2 7 4 4 2	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	2 7 4 4 2	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	2 7 4 4 2	2 7 4 4 2	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	0	0	1 4 2 2 1	2 7 4 4 2	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	2 7 4 4 2	1 4 2 2 1	2 7 4 4 2	2 7 4 4 2	2 7 4 4 2	1 4 2 2 1	2 7 4 4 2	1 4 2 2 1	1 4 2 2 1	2 7 4 4 2	3 11 7 6 2	3 11 7 6 2	3 11 7 6 2	4 14 9 8 3	5 18 11 10 3	5 18 11 10 3	4 14 9 8 3	2 7 4 4 2	1 4 2 2 1	1 4 2 2 1	0	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	1 4 2 2 1	2 7 4 4 2	1 4 2 2 1	2 7 4 4 2	1 4 2 2 1	2 7 4 4 2	3 11 7 6 2	3 11 7 6 2	3 11 7 6 2	5 18 11 10 3	6 22 13 12 4	4 14 9 8 3	3 11 7 6 2	6 22 13 12 4	5 18 11 10 3	1 4 2 2 1	2 7 4 4 2	3 11 7 6 2	3 11 7 6 2	Wind: speed , m/s km/h mph knots Bft
gusts, m/s km/h mph knots Bft	4 14 9 8 3					5 18 11 10 3			4 14 9 8 3		4 14 9 8 3	4 14 9 8 3									4 14 9 8 3								4 14 9 8 3					5 18 11 10 3	5 18 11 10 3	6 22 13 12 4	4 14 9 8 3	5 18 11 10 3								10 36 22 19 5	11 40 25 21 6	10 36 22 19 5								4 14 9 8 3	4 14 9 8 3									6 22 13 12 4	6 22 13 12 4	6 22 13 12 4	10 36 22 19 5	13 47 29 25 6	7 25 16 14 4	6 22 13 12 4	13 47 29 25 6	10 36 22 19 5		5 18 11 10 3		7 25 16 14 4	gusts, m/s km/h mph knots Bft
direction	E	E	E	NE	E	E	E	NE	E	E	NE	NE	NE	NE	E	E	E	E	SE	E	E	E	SE	SE	calm	calm	SE	SE	SE	W	SW	SE	SE	SW	SE	SE	SE	W	SE	SW	S	S	SE	S	S	S	S	S	S	SE	NW	calm	SE	SE	SE	SW	NW	SW	S	S	SE	SE	SE	S	S	SE	S	S	S	S	SW	SW	SW	SW	W	NW	NW	NW	direction
Humidity, %	86	84	85	85	86	89	80	72	67	66	72	76	79	82	87	90	93	88	81	76	77	81	78	79	89	90	86	79	80	97	89	77	69	75	79	75	82	87	98	100	100	99	97	100	98	92	91	94	94	100	100	100	100	100	99	91	75	98	100	81	82	84	85	91	85	94	100	100	98	97	96	92	82	99	99	97	86	82	Humidity, %
Sun: rise set		07:18		16:54												07:19		16:54														07:19		16:54						07:20		16:55						07:20		16:56						07:21		16:56			07:21	16:57		Sun: rise set
Moon: rise set		21:37		10:54												22:38		11:19														23:36		11:42						00:33		12:03						00:32		12:23						01:30		12:45			02:28	13:09		Moon: rise set
phase																																																																															phase