Point Forecast: 2 Miles NE Petaluma CA  38.26N 122.6W (Elev. 108 ft)	Last Update: 1:26 pm PDT Oct 5, 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: 6pm Mon, Oct 5 20267pm Mon, Oct 5 20268pm Mon, Oct 5 20269pm Mon, Oct 5 202610pm Mon, Oct 5 202611pm Mon, Oct 5 202612am Tue, Oct 6 20261am Tue, Oct 6 20262am Tue, Oct 6 20263am Tue, Oct 6 20264am Tue, Oct 6 20265am Tue, Oct 6 20266am Tue, Oct 6 20267am Tue, Oct 6 20268am Tue, Oct 6 20269am Tue, Oct 6 202610am Tue, Oct 6 202611am Tue, Oct 6 202612pm Tue, Oct 6 20261pm Tue, Oct 6 20262pm Tue, Oct 6 20263pm Tue, Oct 6 20264pm Tue, Oct 6 20265pm Tue, Oct 6 20266pm Tue, Oct 6 20267pm Tue, Oct 6 20268pm Tue, Oct 6 20269pm Tue, Oct 6 202610pm Tue, Oct 6 202611pm Tue, Oct 6 202612am Wed, Oct 7 20261am Wed, Oct 7 20262am Wed, Oct 7 20263am Wed, Oct 7 20264am Wed, Oct 7 20265am Wed, Oct 7 20266am Wed, Oct 7 20267am Wed, Oct 7 20268am Wed, Oct 7 20269am Wed, Oct 7 202610am Wed, Oct 7 202611am Wed, Oct 7 202612pm Wed, Oct 7 20261pm Wed, Oct 7 20262pm Wed, Oct 7 20263pm Wed, Oct 7 20264pm Wed, Oct 7 20265pm Wed, Oct 7 20266pm Wed, Oct 7 20267pm Wed, Oct 7 20268pm Wed, Oct 7 20269pm Wed, Oct 7 202610pm Wed, Oct 7 202611pm Wed, Oct 7 202612am Thu, Oct 8 20261am Thu, Oct 8 20262am Thu, Oct 8 20263am Thu, Oct 8 20264am Thu, Oct 8 20265am Thu, Oct 8 20266am Thu, Oct 8 20267am Thu, Oct 8 20268am Thu, Oct 8 20269am Thu, Oct 8 202610am Thu, Oct 8 202611am Thu, Oct 8 202612pm Thu, Oct 8 20261pm Thu, Oct 8 20262pm Thu, Oct 8 20263pm Thu, Oct 8 20264pm Thu, Oct 8 20265pm Thu, Oct 8 20266pm Thu, Oct 8 20267pm Thu, Oct 8 20268pm Thu, Oct 8 20269pm Thu, Oct 8 202610pm Thu, Oct 8 202611pm Thu, Oct 8 202612am Fri, Oct 9 20261am Fri, Oct 9 20262am Fri, Oct 9 20263am Fri, Oct 9 20264am Fri, Oct 9 20265am Fri, Oct 9 20266am Fri, Oct 9 20267am Fri, Oct 9 20268am Fri, Oct 9 20269am Fri, Oct 9 202610am Fri, Oct 9 202611am Fri, Oct 9 202612pm Fri, Oct 9 20261pm Fri, Oct 9 20262pm Fri, Oct 9 20263pm Fri, Oct 9 20264pm Fri, Oct 9 20265pm Fri, Oct 9 20266pm Fri, Oct 9 20267pm Fri, Oct 9 20268pm Fri, Oct 9 20269pm Fri, Oct 9 202610pm Fri, Oct 9 202611pm Fri, Oct 9 202612am Sat, Oct 10 20261am Sat, Oct 10 20262am Sat, Oct 10 20263am Sat, Oct 10 20264am Sat, Oct 10 20265am Sat, Oct 10 2026

Date	10/05						10/06
Hour (PDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	85	75	70	67	66	66	65	64	62	62	61	59	60	60	60	65	71	78	87	91	94	94	93	88
Dewpoint (°F)	54	52	52	53	53	52	52	51	50	50	50	48	49	49	52	54	54	53	54	52	52	52	51	52
Heat Index (°F)	83	75																78	85	89	91	92	90	86
Surface Wind (mph)	5	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	5	7	7	6
Wind Dir	WNW	WNW	WNW	NW	NW	NW	NW	NNW	NNW	N	N	N	N	N	N	N	N	WSW	W	W	W	W	W	W
Gust
Sky Cover (%)	0	1	3	6	8	7	8	8	9	8	9	10	10	13	10	10	10	7	3	1	1	1	1	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 (%)	35	45	54	60	62	62	63	63	64	65	65	67	67	68	75	67	55	42	32	26	24	24	24	29
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date							10/07
Hour (PDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°F)	84	74	69	66	64	63	62	62	60	59	58	57	57	56	57	62	70	78	84	89	92	92	89	85
Dewpoint (°F)	53	51	51	52	52	52	51	51	50	50	50	48	49	50	51	53	55	55	54	52	50	49	50	52
Heat Index (°F)	82																	78	83	87	89	89	86	83
Surface Wind (mph)	6	6	2	2	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	6	6	6	7
Wind Dir	W	W	W	W	W	N	N	N	N	N	N	N	N	N	N	N	N	S	S	S	WSW	WSW	WSW	W
Gust
Sky Cover (%)	2	2	13	13	13	22	22	22	22	22	22	31	31	31	17	17	17	5	5	5	0	0	0	0
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 (%)	35	45	54	61	64	65	67	68	70	72	73	74	74	78	81	72	58	44	35	28	24	23	26	32
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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