Point Forecast: 3 Miles NE Cupertino CA  37.34N 122.01W (Elev. 167 ft)	Last Update: 1:26 pm PDT Sep 4, 2026

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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 Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s

48-Hour Period Starting: 7pm Fri, Sep 4 20268pm Fri, Sep 4 20269pm Fri, Sep 4 202610pm Fri, Sep 4 202611pm Fri, Sep 4 202612am Sat, Sep 5 20261am Sat, Sep 5 20262am Sat, Sep 5 20263am Sat, Sep 5 20264am Sat, Sep 5 20265am Sat, Sep 5 20266am Sat, Sep 5 20267am Sat, Sep 5 20268am Sat, Sep 5 20269am Sat, Sep 5 202610am Sat, Sep 5 202611am Sat, Sep 5 202612pm Sat, Sep 5 20261pm Sat, Sep 5 20262pm Sat, Sep 5 20263pm Sat, Sep 5 20264pm Sat, Sep 5 20265pm Sat, Sep 5 20266pm Sat, Sep 5 20267pm Sat, Sep 5 20268pm Sat, Sep 5 20269pm Sat, Sep 5 202610pm Sat, Sep 5 202611pm Sat, Sep 5 202612am Sun, Sep 6 20261am Sun, Sep 6 20262am Sun, Sep 6 20263am Sun, Sep 6 20264am Sun, Sep 6 20265am Sun, Sep 6 20266am Sun, Sep 6 20267am Sun, Sep 6 20268am Sun, Sep 6 20269am Sun, Sep 6 202610am Sun, Sep 6 202611am Sun, Sep 6 202612pm Sun, Sep 6 20261pm Sun, Sep 6 20262pm Sun, Sep 6 20263pm Sun, Sep 6 20264pm Sun, Sep 6 20265pm Sun, Sep 6 20266pm Sun, Sep 6 20267pm Sun, Sep 6 20268pm Sun, Sep 6 20269pm Sun, Sep 6 202610pm Sun, Sep 6 202611pm Sun, Sep 6 202612am Mon, Sep 7 20261am Mon, Sep 7 20262am Mon, Sep 7 20263am Mon, Sep 7 20264am Mon, Sep 7 20265am Mon, Sep 7 20266am Mon, Sep 7 20267am Mon, Sep 7 20268am Mon, Sep 7 20269am Mon, Sep 7 202610am Mon, Sep 7 202611am Mon, Sep 7 202612pm Mon, Sep 7 20261pm Mon, Sep 7 20262pm Mon, Sep 7 20263pm Mon, Sep 7 20264pm Mon, Sep 7 20265pm Mon, Sep 7 20266pm Mon, Sep 7 20267pm Mon, Sep 7 20268pm Mon, Sep 7 20269pm Mon, Sep 7 202610pm Mon, Sep 7 202611pm Mon, Sep 7 202612am Tue, Sep 8 20261am Tue, Sep 8 20262am Tue, Sep 8 20263am Tue, Sep 8 20264am Tue, Sep 8 20265am Tue, Sep 8 20266am Tue, Sep 8 20267am Tue, Sep 8 20268am Tue, Sep 8 20269am Tue, Sep 8 202610am Tue, Sep 8 202611am Tue, Sep 8 202612pm Tue, Sep 8 20261pm Tue, Sep 8 20262pm Tue, Sep 8 20263pm Tue, Sep 8 20264pm Tue, Sep 8 20265pm Tue, Sep 8 20266pm Tue, Sep 8 20267pm Tue, Sep 8 20268pm Tue, Sep 8 20269pm Tue, Sep 8 202610pm Tue, Sep 8 202611pm Tue, Sep 8 202612am Wed, Sep 9 20261am Wed, Sep 9 20262am Wed, Sep 9 20263am Wed, Sep 9 20264am Wed, Sep 9 20265am Wed, Sep 9 20266am Wed, Sep 9 2026

Date	09/04					09/05
Hour (PDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	68	64	62	61	60	59	59	58	58	57	57	57	56	59	62	66	69	72	74	75	76	75	74	72
Dewpoint (°F)	55	54	54	54	54	54	54	54	54	53	53	53	52	53	53	55	55	56	56	57	57	56	56	56
Heat Index (°F)																				75	76	75
Surface Wind (mph)	11	10	8	6	6	5	3	2	2	1	1	1	1	1	2	3	5	6	8	9	10	11	10	10
Wind Dir	NNW	NNW	NNW	NNW	NW	NW	WNW	WNW	W	WSW	WSW	WSW	W	WNW	NNW	N	N	NNW	NNW	NNW	NNW	NNW	NW	NW
Gust	18																					18	18	18
Sky Cover (%)	1	1	4	4	4	5	8	11	12	10	20	25	31	45	33	10	3	3	1	2	1	7	14	14
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 (%)	62	71	76	79	82	82	83	85	86	86	87	87	86	82	75	67	61	57	54	52	51	50	54	57
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						09/06
Hour (PDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	68	64	62	61	60	60	59	58	57	57	57	57	57	59	62	65	68	70	72	73	74	74	72	70
Dewpoint (°F)	55	55	55	55	55	54	54	54	53	53	53	53	54	54	54	55	55	55	56	56	56	56	56	57
Heat Index (°F)
Surface Wind (mph)	10	7	7	7	3	3	3	2	2	2	2	2	2	2	2	2	5	5	5	10	10	10	11	11
Wind Dir	NW	NW	NW	NW	NW	NW	NW	W	W	W	WNW	WNW	WNW	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW
Gust	18																			18	18	18	20	20
Sky Cover (%)	14	10	10	10	24	24	24	26	26	26	47	47	47	47	47	47	6	6	6	2	2	2	2	2
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 (%)	63	72	77	80	83	83	84	86	87	88	88	88	87	84	78	70	63	58	56	54	53	54	57	64
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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