Point Forecast: Princeton NJ  40.37N 74.67W (Elev. 78 m)	Last Update: 4:12 pm EDT Jul 7, 2025

[hide menu]

Weather Elements Fire Weather Aviation Weather Temperature (°C) Dewpoint (°C) Heat Index (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-m) Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 6pm Mon, Jul 7 20257pm Mon, Jul 7 20258pm Mon, Jul 7 20259pm Mon, Jul 7 202510pm Mon, Jul 7 202511pm Mon, Jul 7 202512am Tue, Jul 8 20251am Tue, Jul 8 20252am Tue, Jul 8 20253am Tue, Jul 8 20254am Tue, Jul 8 20255am Tue, Jul 8 20256am Tue, Jul 8 20257am Tue, Jul 8 20258am Tue, Jul 8 20259am Tue, Jul 8 202510am Tue, Jul 8 202511am Tue, Jul 8 202512pm Tue, Jul 8 20251pm Tue, Jul 8 20252pm Tue, Jul 8 20253pm Tue, Jul 8 20254pm Tue, Jul 8 20255pm Tue, Jul 8 20256pm Tue, Jul 8 20257pm Tue, Jul 8 20258pm Tue, Jul 8 20259pm Tue, Jul 8 202510pm Tue, Jul 8 202511pm Tue, Jul 8 202512am Wed, Jul 9 20251am Wed, Jul 9 20252am Wed, Jul 9 20253am Wed, Jul 9 20254am Wed, Jul 9 20255am Wed, Jul 9 20256am Wed, Jul 9 20257am Wed, Jul 9 20258am Wed, Jul 9 20259am Wed, Jul 9 202510am Wed, Jul 9 202511am Wed, Jul 9 202512pm Wed, Jul 9 20251pm Wed, Jul 9 20252pm Wed, Jul 9 20253pm Wed, Jul 9 20254pm Wed, Jul 9 20255pm Wed, Jul 9 20256pm Wed, Jul 9 20257pm Wed, Jul 9 20258pm Wed, Jul 9 20259pm Wed, Jul 9 202510pm Wed, Jul 9 202511pm Wed, Jul 9 202512am Thu, Jul 10 20251am Thu, Jul 10 20252am Thu, Jul 10 20253am Thu, Jul 10 20254am Thu, Jul 10 20255am Thu, Jul 10 20256am Thu, Jul 10 20257am Thu, Jul 10 20258am Thu, Jul 10 20259am Thu, Jul 10 202510am Thu, Jul 10 202511am Thu, Jul 10 202512pm Thu, Jul 10 20251pm Thu, Jul 10 20252pm Thu, Jul 10 20253pm Thu, Jul 10 20254pm Thu, Jul 10 20255pm Thu, Jul 10 20256pm Thu, Jul 10 20257pm Thu, Jul 10 20258pm Thu, Jul 10 20259pm Thu, Jul 10 202510pm Thu, Jul 10 202511pm Thu, Jul 10 202512am Fri, Jul 11 20251am Fri, Jul 11 20252am Fri, Jul 11 20253am Fri, Jul 11 20254am Fri, Jul 11 20255am Fri, Jul 11 20256am Fri, Jul 11 20257am Fri, Jul 11 20258am Fri, Jul 11 20259am Fri, Jul 11 202510am Fri, Jul 11 202511am Fri, Jul 11 202512pm Fri, Jul 11 20251pm Fri, Jul 11 20252pm Fri, Jul 11 20253pm Fri, Jul 11 20254pm Fri, Jul 11 20255pm Fri, Jul 11 20256pm Fri, Jul 11 20257pm Fri, Jul 11 20258pm Fri, Jul 11 20259pm Fri, Jul 11 202510pm Fri, Jul 11 202511pm Fri, Jul 11 202512am Sat, Jul 12 20251am Sat, Jul 12 20252am Sat, Jul 12 20253am Sat, Jul 12 20254am Sat, Jul 12 20255am Sat, Jul 12 2025

Date	07/07						07/08
Hour (EDT)	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 (°C)	28	27	26	25	24	24	24	23	23	23	23	23	22	23	25	27	28	30	31	32	32	33	32	32
Dewpoint (°C)	24	24	24	24	23	23	23	23	23	23	22	22	22	23	23	23	23	23	23	23	23	23	23	23
Heat Index (°C)	33	29	26	25	24	24	24								25	29	32	34	35	37	37	38	37	37
Surface Wind (mph)	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	5	6	6	6	6	6	6
Wind Dir	S	S	S	SE	S	S	SW	SW	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	95	92	79	66	54	42	30	33	24	41	31	33	26	27	26	25	19	8	9	22	38	45	51	51
Precipitation Potential (%)	82	67	24	14	7	6	2	3	5	3	4	4	5	5	14	12	13	10	9	17	24	27	31	32
Relative Humidity (%)	80	85	88	94	94	97	97	100	97	97	97	97	100	97	87	82	74	68	65	61	60	58	60	58
Rain	Ocnl	Lkly	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	Chc	Chc	Chc
Thunder	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	Chc	Chc	Chc
Date							07/09
Hour (EDT)	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 (°C)	31	29	27	26	25	24	24	23	23	22	22	22	22	23	23	24	26	27	28	29	29	29	29	29
Dewpoint (°C)	23	22	23	23	23	23	22	22	22	21	21	21	21	21	22	22	22	23	23	23	23	23	23	23
Heat Index (°C)	36	33	30	26	25	24	24									24	26	29	31	32	33	33	33	32
Surface Wind (mph)	5	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Wind Dir	W	W	SW	S	SW	W	W	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W	W	SW
Gust
Sky Cover (%)	65	78	70	70	70	70	70	70	58	60	63	65	62	58	55	58	60	63	62	61	60	60	60	60
Precipitation Potential (%)	56	67	55	55	55	55	55	55	29	29	29	29	29	29	22	22	22	22	22	22	40	40	40	40
Relative Humidity (%)	63	65	79	85	90	90	90	93	93	93	93	93	93	90	90	87	82	79	74	70	67	67	67	70
Rain	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc
Thunder	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc

English Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Hazardous Local Weather Regional Weather Conditions Interactive Forecast Map National Forecast Maps Briefing Webpage Emergency Managers Briefing Past Weather Information Advanced Hydrologic Prediction Service