Point Forecast: Fullerton CA  33.87N 117.93W (Elev. 184 ft)	Last Update: 8:41 pm PDT Jun 30, 2025

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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

48-Hour Period Starting: 9pm Mon, Jun 30 202510pm Mon, Jun 30 202511pm Mon, Jun 30 202512am Tue, Jul 1 20251am Tue, Jul 1 20252am Tue, Jul 1 20253am Tue, Jul 1 20254am Tue, Jul 1 20255am Tue, Jul 1 20256am Tue, Jul 1 20257am Tue, Jul 1 20258am Tue, Jul 1 20259am Tue, Jul 1 202510am Tue, Jul 1 202511am Tue, Jul 1 202512pm Tue, Jul 1 20251pm Tue, Jul 1 20252pm Tue, Jul 1 20253pm Tue, Jul 1 20254pm Tue, Jul 1 20255pm Tue, Jul 1 20256pm Tue, Jul 1 20257pm Tue, Jul 1 20258pm Tue, Jul 1 20259pm Tue, Jul 1 202510pm Tue, Jul 1 202511pm Tue, Jul 1 202512am Wed, Jul 2 20251am Wed, Jul 2 20252am Wed, Jul 2 20253am Wed, Jul 2 20254am Wed, Jul 2 20255am Wed, Jul 2 20256am Wed, Jul 2 20257am Wed, Jul 2 20258am Wed, Jul 2 20259am Wed, Jul 2 202510am Wed, Jul 2 202511am Wed, Jul 2 202512pm Wed, Jul 2 20251pm Wed, Jul 2 20252pm Wed, Jul 2 20253pm Wed, Jul 2 20254pm Wed, Jul 2 20255pm Wed, Jul 2 20256pm Wed, Jul 2 20257pm Wed, Jul 2 20258pm Wed, Jul 2 20259pm Wed, Jul 2 202510pm Wed, Jul 2 202511pm Wed, Jul 2 202512am Thu, Jul 3 20251am Thu, Jul 3 20252am Thu, Jul 3 20253am Thu, Jul 3 20254am Thu, Jul 3 20255am Thu, Jul 3 20256am Thu, Jul 3 20257am Thu, Jul 3 20258am Thu, Jul 3 20259am Thu, Jul 3 202510am Thu, Jul 3 202511am Thu, Jul 3 202512pm Thu, Jul 3 20251pm Thu, Jul 3 20252pm Thu, Jul 3 20253pm Thu, Jul 3 20254pm Thu, Jul 3 20255pm Thu, Jul 3 20256pm Thu, Jul 3 20257pm Thu, Jul 3 20258pm Thu, Jul 3 20259pm Thu, Jul 3 202510pm Thu, Jul 3 202511pm Thu, Jul 3 202512am Fri, Jul 4 20251am Fri, Jul 4 20252am Fri, Jul 4 20253am Fri, Jul 4 20254am Fri, Jul 4 20255am Fri, Jul 4 20256am Fri, Jul 4 20257am Fri, Jul 4 20258am Fri, Jul 4 20259am Fri, Jul 4 202510am Fri, Jul 4 202511am Fri, Jul 4 202512pm Fri, Jul 4 20251pm Fri, Jul 4 20252pm Fri, Jul 4 20253pm Fri, Jul 4 20254pm Fri, Jul 4 20255pm Fri, Jul 4 20256pm Fri, Jul 4 20257pm Fri, Jul 4 20258pm Fri, Jul 4 20259pm Fri, Jul 4 202510pm Fri, Jul 4 202511pm Fri, Jul 4 202512am Sat, Jul 5 20251am Sat, Jul 5 20252am Sat, Jul 5 20253am Sat, Jul 5 20254am Sat, Jul 5 20255am Sat, Jul 5 20256am Sat, Jul 5 20257am Sat, Jul 5 20258am Sat, Jul 5 2025

Date	06/30			07/01
Hour (PDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	70	68	66	65	64	64	63	63	62	63	63	64	68	72	75	78	80	82	83	83	81	78	75	72
Dewpoint (°F)	59	59	59	59	59	59	59	59	59	59	59	59	59	60	60	60	60	60	60	60	60	60	59	59
Heat Index (°F)															75	78	81	83	83	83	82	79	75
Surface Wind (mph)	6	5	3	3	2	2	2	2	3	2	2	2	3	3	6	7	8	9	9	9	9	8	7	6
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W
Gust
Sky Cover (%)	14	14	48	48	48	48	48	48	55	55	55	55	55	55	10	10	10	10	10	10	11	11	11	11
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	2	2	2
Relative Humidity (%)	67	74	79	81	83	85	86	87	88	87	87	83	74	66	60	54	50	48	47	47	49	52	58	64
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date				07/02
Hour (PDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	69	67	65	64	64	64	63	63	63	63	64	65	67	70	74	76	78	79	79	79	77	75	72	69
Dewpoint (°F)	59	59	60	60	60	60	59	59	59	60	60	60	60	60	60	60	60	60	60	60	60	60	60	59
Heat Index (°F)																76	78	79	80	79	77	75
Surface Wind (mph)	6	5	3	3	2	2	2	2	2	2	2	2	3	5	6	7	8	9	9	10	9	9	7	6
Wind Dir	W	W	W	W	SW	SW	SW	W	W	W	W	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	SW	SW
Gust
Sky Cover (%)	11	11	48	48	48	48	48	48	70	70	70	70	70	70	14	14	14	14	14	14	14	14	14	14
Precipitation Potential (%)	2	2	1	1	1	1	1	1	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1
Relative Humidity (%)	71	78	83	86	86	86	87	86	86	88	88	85	78	69	62	57	54	52	52	52	55	60	66	72
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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