Point Forecast: Longmont CO  40.19N 105.09W (Elev. 5010 ft)	Last Update: 4:21 am MDT Jul 3, 2025

[hide menu]

Weather Elements Fire Weather Probabilistic Forecasts (Experimental) Description | Survey Temperature (°F) Dewpoint (°F) Heat Index (°F) 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-ft) Dispersion Index Pressure (in) Quantitative Precipitation  3-hr6-hr12-hr24-hr   info     0.100.250.501.00 Snowfall  3-hr6-hr12-hr24-hr   info     0.1in1in3in6in12in

48-Hour Period Starting: 11am 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 20259am Sat, Jul 5 202510am Sat, Jul 5 202511am Sat, Jul 5 202512pm Sat, Jul 5 20251pm Sat, Jul 5 20252pm Sat, Jul 5 20253pm Sat, Jul 5 20254pm Sat, Jul 5 20255pm Sat, Jul 5 20256pm Sat, Jul 5 20257pm Sat, Jul 5 20258pm Sat, Jul 5 20259pm Sat, Jul 5 202510pm Sat, Jul 5 202511pm Sat, Jul 5 202512am Sun, Jul 6 20251am Sun, Jul 6 20252am Sun, Jul 6 20253am Sun, Jul 6 20254am Sun, Jul 6 20255am Sun, Jul 6 20256am Sun, Jul 6 20257am Sun, Jul 6 20258am Sun, Jul 6 20259am Sun, Jul 6 202510am Sun, Jul 6 202511am Sun, Jul 6 202512pm Sun, Jul 6 20251pm Sun, Jul 6 20252pm Sun, Jul 6 20253pm Sun, Jul 6 20254pm Sun, Jul 6 20255pm Sun, Jul 6 20256pm Sun, Jul 6 20257pm Sun, Jul 6 20258pm Sun, Jul 6 20259pm Sun, Jul 6 202510pm Sun, Jul 6 202511pm Sun, Jul 6 202512am Mon, Jul 7 20251am Mon, Jul 7 20252am Mon, Jul 7 20253am Mon, Jul 7 20254am Mon, Jul 7 20255am Mon, Jul 7 20256am Mon, Jul 7 20257am Mon, Jul 7 20258am Mon, Jul 7 20259am Mon, Jul 7 202510am Mon, Jul 7 202511am Mon, Jul 7 202512pm Mon, Jul 7 20251pm Mon, Jul 7 20252pm Mon, Jul 7 20253pm Mon, Jul 7 20254pm Mon, Jul 7 20255pm Mon, Jul 7 20256pm Mon, Jul 7 20257pm Mon, Jul 7 20258pm Mon, Jul 7 20259pm Mon, Jul 7 202510pm Mon, Jul 7 2025

Date	07/03													07/04
Hour (MDT)	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10
Temperature (°F)	84	87	90	94	93	93	93	92	90	86	81	77	74	71	71	69	67	66	65	64	66	69	72	77
Dewpoint (°F)	51	49	48	46	44	45	45	48	49	51	53	54	54	55	56	57	57	57	56	55	56	56	56	56
Heat Index (°F)	82	84	87	90	89	89	89	89	87	84	80	77												77
Surface Wind (mph)	5	6	7	7	8	9	9	9	9	8	7	7	6	6	6	5	5	5	5	5	5	3	3	2
Wind Dir	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SSE	WSW	WNW	NW	N	N	N	NNW	NNW	NW	W	W	WSW	S	SSE	S
Gust				15	16	18	20	20	20	20	18	17	15
Sky Cover (%)	24	45	40	45	46	50	46	53	61	63	68	75	71	72	77	73	67	69	66	47	52	38	27	21
Precipitation Potential (%)	3	5	5	5	20	20	20	24	24	24	24	24	24	10	10	10	15	15	15	20	20	20	11	11
Relative Humidity (%)	32	27	24	19	19	19	19	22	25	30	38	45	50	57	59	66	70	73	73	73	70	63	57	48
Rain	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--
Thunder	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--
Date														07/05
Hour (MDT)	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10
Temperature (°F)	80	84	86	88	88	88	88	87	84	81	77	74	71	69	67	65	63	61	60	60	63	68	73	78
Dewpoint (°F)	55	53	53	52	50	49	48	50	50	51	52	52	52	52	52	53	53	52	52	51	52	53	53	52
Heat Index (°F)	80	83	84	86	85	85	85	84	82	80	77													78
Surface Wind (mph)	2	2	3	5	6	6	6	6	5	3	3	3	5	5	5	5	5	5	3	3	3	2	2	2
Wind Dir	S	S	SSW	W	WNW	WNW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	SW	SE	E	E
Gust					15	15	16	15
Sky Cover (%)	41	60	60	60	60	60	60	25	22	19	16	13	9	6	6	5	5	6	6	7	9	10	12	25
Precipitation Potential (%)	11	30	30	30	30	30	30	7	7	7	7	7	7	1	1	1	1	1	1	1	1	1	1	1
Relative Humidity (%)	42	34	32	29	27	26	25	28	31	35	42	46	51	55	59	65	70	72	75	72	67	59	49	40
Rain	--	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Regional Weather Conditions Denver Climate Reports Colorado Hourly Observations (MesoWest Map) Colorado Road Conditions Graphical Forecast Page Detailed Point Forecast Fire Weather Information Local Storm Report