Point Forecast: 4 Miles SSW Saint Helena CA  38.44N 122.5W (Elev. 1398 ft)	Last Update: 1:25 pm PDT May 5, 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: 1pm 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 20243am Thu, May 9 20244am Thu, May 9 20245am Thu, May 9 20246am Thu, May 9 20247am Thu, May 9 20248am Thu, May 9 20249am Thu, May 9 202410am Thu, May 9 202411am Thu, May 9 202412pm Thu, May 9 20241pm Thu, May 9 20242pm Thu, May 9 20243pm Thu, May 9 20244pm Thu, May 9 20245pm Thu, May 9 20246pm Thu, May 9 20247pm Thu, May 9 20248pm Thu, May 9 20249pm Thu, May 9 202410pm Thu, May 9 202411pm Thu, May 9 202412am Fri, May 10 2024

Date	05/05											05/06
Hour (PDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	54	55	55	56	55	53	52	49	47	45	44	44	43	42	42	41	42	42	44	48	51	54	56	57
Dewpoint (°F)	38	37	39	40	40	41	40	38	38	37	37	36	36	36	36	35	36	35	36	38	40	41	42	43
Heat Index (°F)
Surface Wind (mph)	9	10	10	13	13	13	13	13	13	11	13	10	11	10	10	9	8	8	7	7	7	8	9	9
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	NW	NW	WNW	WNW	W	W
Gust				18	20	20	20	20	18	18	18
Sky Cover (%)	11	12	15	9	16	4	5	8	9	8	7	4	3	4	3	7	9	8	4	2	4	10	27	29
Precipitation Potential (%)	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	54	51	53	54	58	63	64	68	71	72	75	74	76	78	79	79	78	78	73	68	64	62	60	59
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date												05/07
Hour (PDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	59	60	60	60	58	58	56	53	52	51	50	50	49	48	47	46	46	47	49	52	54	57	59	62
Dewpoint (°F)	46	47	48	49	50	49	49	46	46	45	44	44	43	42	40	40	39	39	39	40	40	40	40	39
Heat Index (°F)
Surface Wind (mph)	10	11	13	14	14	13	14	14	13	13	14	14	14	10	10	10	7	7	7	10	10	10	9	9
Wind Dir	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	NNW	NNW	NNW	NNW	NNW	NNW	N	N
Gust			18	21	21	20	21	21	20	20	21	21	21
Sky Cover (%)	17	37	37	31	25	23	13	11	26	27	27	27	27	19	19	19	25	25	25	21	21	21	3	3
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 (%)	61	63	65	67	73	72	75	79	79	80	80	80	79	78	78	77	76	72	68	64	59	53	48	44
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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