Point Forecast: Napa CA  38.29N 122.29W (Elev. 20 ft)	Last Update: 1:46 am PDT Jun 14, 2026

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

48-Hour Period Starting: 4am Sun, Jun 14 20265am Sun, Jun 14 20266am Sun, Jun 14 20267am Sun, Jun 14 20268am Sun, Jun 14 20269am Sun, Jun 14 202610am Sun, Jun 14 202611am Sun, Jun 14 202612pm Sun, Jun 14 20261pm Sun, Jun 14 20262pm Sun, Jun 14 20263pm Sun, Jun 14 20264pm Sun, Jun 14 20265pm Sun, Jun 14 20266pm Sun, Jun 14 20267pm Sun, Jun 14 20268pm Sun, Jun 14 20269pm Sun, Jun 14 202610pm Sun, Jun 14 202611pm Sun, Jun 14 202612am Mon, Jun 15 20261am Mon, Jun 15 20262am Mon, Jun 15 20263am Mon, Jun 15 20264am Mon, Jun 15 20265am Mon, Jun 15 20266am Mon, Jun 15 20267am Mon, Jun 15 20268am Mon, Jun 15 20269am Mon, Jun 15 202610am Mon, Jun 15 202611am Mon, Jun 15 202612pm Mon, Jun 15 20261pm Mon, Jun 15 20262pm Mon, Jun 15 20263pm Mon, Jun 15 20264pm Mon, Jun 15 20265pm Mon, Jun 15 20266pm Mon, Jun 15 20267pm Mon, Jun 15 20268pm Mon, Jun 15 20269pm Mon, Jun 15 202610pm Mon, Jun 15 202611pm Mon, Jun 15 202612am Tue, Jun 16 20261am Tue, Jun 16 20262am Tue, Jun 16 20263am Tue, Jun 16 20264am Tue, Jun 16 20265am Tue, Jun 16 20266am Tue, Jun 16 20267am Tue, Jun 16 20268am Tue, Jun 16 20269am Tue, Jun 16 202610am Tue, Jun 16 202611am Tue, Jun 16 202612pm Tue, Jun 16 20261pm Tue, Jun 16 20262pm Tue, Jun 16 20263pm Tue, Jun 16 20264pm Tue, Jun 16 20265pm Tue, Jun 16 20266pm Tue, Jun 16 20267pm Tue, Jun 16 20268pm Tue, Jun 16 20269pm Tue, Jun 16 202610pm Tue, Jun 16 202611pm Tue, Jun 16 202612am Wed, Jun 17 20261am Wed, Jun 17 20262am Wed, Jun 17 20263am Wed, Jun 17 20264am Wed, Jun 17 20265am Wed, Jun 17 20266am Wed, Jun 17 20267am Wed, Jun 17 20268am Wed, Jun 17 20269am Wed, Jun 17 202610am Wed, Jun 17 202611am Wed, Jun 17 202612pm Wed, Jun 17 20261pm Wed, Jun 17 20262pm Wed, Jun 17 20263pm Wed, Jun 17 20264pm Wed, Jun 17 20265pm Wed, Jun 17 20266pm Wed, Jun 17 20267pm Wed, Jun 17 20268pm Wed, Jun 17 20269pm Wed, Jun 17 202610pm Wed, Jun 17 202611pm Wed, Jun 17 202612am Thu, Jun 18 20261am Thu, Jun 18 20262am Thu, Jun 18 20263am Thu, Jun 18 20264am Thu, Jun 18 20265am Thu, Jun 18 20266am Thu, Jun 18 20267am Thu, Jun 18 20268am Thu, Jun 18 20269am Thu, Jun 18 202610am Thu, Jun 18 202611am Thu, Jun 18 202612pm Thu, Jun 18 20261pm Thu, Jun 18 20262pm Thu, Jun 18 20263pm Thu, Jun 18 2026

Date	06/14																				06/15
Hour (PDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	56	55	56	56	58	62	66	70	74	78	80	80	81	79	78	75	70	66	62	60	59	58	56	56
Dewpoint (°F)	54	53	54	54	54	55	56	56	56	57	58	58	58	57	57	57	55	55	55	55	55	55	54	54
Heat Index (°F)										78	80	81	81	80	78	75
Surface Wind (mph)	2	2	2	2	2	2	3	5	6	7	8	9	9	9	8	8	8	7	6	5	5	3	2	2
Wind Dir	SW	SW	SW	WSW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S	SSW	SSW	S	S	SSW	SSW
Gust
Sky Cover (%)	31	31	44	35	29	16	6	3	0	0	1	1	1	1	3	2	2	4	4	7	5	11	12	23
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 (%)	93	93	93	93	87	77	68	60	54	49	46	46	46	46	49	54	60	69	77	82	86	90	92	94
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					06/16
Hour (PDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	56	55	56	56	59	64	68	72	77	80	82	84	83	82	80	75	70	66	63	60	58	57	56	55
Dewpoint (°F)	54	53	54	54	55	56	57	58	60	61	61	62	61	60	60	58	57	56	55	55	54	54	54	53
Heat Index (°F)									77	81	83	84	83	82	80	75
Surface Wind (mph)	2	2	2	2	2	2	2	7	7	7	9	9	9	9	9	9	9	9	9	6	6	6	3	3
Wind Dir	SSW	SW	SW	SW	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
Gust
Sky Cover (%)	26	41	41	41	29	29	29	3	3	3	3	3	3	3	3	3	5	5	5	14	14	14	38	38
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1
Relative Humidity (%)	94	94	94	93	87	77	69	60	55	52	49	48	48	48	51	56	62	69	77	84	88	90	92	93
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph River Stage Summary 24 Hour Precipitation Summary NWS Office Map