Point Forecast: Castro Valley CA  37.69N 122.05W (Elev. 364 ft)	Last Update: 2:31 am PDT Jun 2, 2024

[hide menu]

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 Sun, Jun 2 20247am Sun, Jun 2 20248am Sun, Jun 2 20249am Sun, Jun 2 202410am Sun, Jun 2 202411am Sun, Jun 2 202412pm Sun, Jun 2 20241pm Sun, Jun 2 20242pm Sun, Jun 2 20243pm Sun, Jun 2 20244pm Sun, Jun 2 20245pm Sun, Jun 2 20246pm Sun, Jun 2 20247pm Sun, Jun 2 20248pm Sun, Jun 2 20249pm Sun, Jun 2 202410pm Sun, Jun 2 202411pm Sun, Jun 2 202412am Mon, Jun 3 20241am Mon, Jun 3 20242am Mon, Jun 3 20243am Mon, Jun 3 20244am Mon, Jun 3 20245am Mon, Jun 3 20246am Mon, Jun 3 20247am Mon, Jun 3 20248am Mon, Jun 3 20249am Mon, Jun 3 202410am Mon, Jun 3 202411am Mon, Jun 3 202412pm Mon, Jun 3 20241pm Mon, Jun 3 20242pm Mon, Jun 3 20243pm Mon, Jun 3 20244pm Mon, Jun 3 20245pm Mon, Jun 3 20246pm Mon, Jun 3 20247pm Mon, Jun 3 20248pm Mon, Jun 3 20249pm Mon, Jun 3 202410pm Mon, Jun 3 202411pm Mon, Jun 3 202412am Tue, Jun 4 20241am Tue, Jun 4 20242am Tue, Jun 4 20243am Tue, Jun 4 20244am Tue, Jun 4 20245am Tue, Jun 4 20246am Tue, Jun 4 20247am Tue, Jun 4 20248am Tue, Jun 4 20249am Tue, Jun 4 202410am Tue, Jun 4 202411am Tue, Jun 4 202412pm Tue, Jun 4 20241pm Tue, Jun 4 20242pm Tue, Jun 4 20243pm Tue, Jun 4 20244pm Tue, Jun 4 20245pm Tue, Jun 4 20246pm Tue, Jun 4 20247pm Tue, Jun 4 20248pm Tue, Jun 4 20249pm Tue, Jun 4 202410pm Tue, Jun 4 202411pm Tue, Jun 4 202412am Wed, Jun 5 20241am Wed, Jun 5 20242am Wed, Jun 5 20243am Wed, Jun 5 20244am Wed, Jun 5 20245am Wed, Jun 5 20246am Wed, Jun 5 20247am Wed, Jun 5 20248am Wed, Jun 5 20249am Wed, Jun 5 202410am Wed, Jun 5 202411am Wed, Jun 5 202412pm Wed, Jun 5 20241pm Wed, Jun 5 20242pm Wed, Jun 5 20243pm Wed, Jun 5 20244pm Wed, Jun 5 20245pm Wed, Jun 5 20246pm Wed, Jun 5 20247pm Wed, Jun 5 20248pm Wed, Jun 5 20249pm Wed, Jun 5 202410pm Wed, Jun 5 202411pm Wed, Jun 5 202412am Thu, Jun 6 20241am Thu, Jun 6 20242am Thu, Jun 6 20243am Thu, Jun 6 20244am Thu, Jun 6 20245am Thu, Jun 6 20246am Thu, Jun 6 20247am Thu, Jun 6 20248am Thu, Jun 6 20249am Thu, Jun 6 202410am Thu, Jun 6 202411am Thu, Jun 6 202412pm Thu, Jun 6 20241pm Thu, Jun 6 20242pm Thu, Jun 6 20243pm Thu, Jun 6 20244pm Thu, Jun 6 20245pm Thu, Jun 6 2024

Date	06/02																		06/03
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)	54	54	56	58	61	64	67	70	72	72	73	71	70	68	64	62	60	61	60	59	59	58	58	58
Dewpoint (°F)	52	52	53	54	54	54	55	56	56	56	57	58	58	59	57	57	57	57	57	57	57	57	56	56
Heat Index (°F)
Surface Wind (mph)	8	7	7	7	7	8	9	10	10	11	11	11	10	10	10	10	9	9	8	8	8	7	7	7
Wind Dir	SW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	W	W	WSW	WSW	WSW	SW	SW	SW	SW	SW	SSW	SW	SSW	SW	SW
Gust									18	18	20	20	18	18	18
Sky Cover (%)	86	81	70	52	32	17	8	9	21	12	12	17	22	42	42	45	47	62	74	75	77	83	84	88
Precipitation Potential (%)	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	0
Relative Humidity (%)	92	91	88	85	80	72	65	60	57	56	57	62	67	72	79	84	89	88	90	92	91	94	94	92
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																			06/04
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)	58	58	59	61	62	65	67	69	70	70	70	68	66	63	60	58	57	56	55	55	55	54	54	55
Dewpoint (°F)	56	57	58	59	60	61	62	63	63	62	61	59	57	56	54	53	52	51	51	51	51	51	50	51
Heat Index (°F)
Surface Wind (mph)	8	8	9	9	10	11	11	13	13	13	13	13	13	11	10	9	8	6	5	5	3	2	2	2
Wind Dir	SW	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	SW	WSW	WSW	WSW
Gust				18	18	20	21	22	23	23	22	21	21	20	18
Sky Cover (%)	94	88	86	86	80	75	51	54	56	56	56	56	59	62	65	65	65	65	61	57	53	45	37	29
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 (%)	94	94	97	93	91	86	82	80	78	75	73	72	73	76	79	81	83	84	85	86	87	88	87	86
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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