Longmont, CO Current Weather Conditions

Current weather observations and 72-hour history for Longmont, CO. • View 5-Day Forecast ›

▼Current Conditions — Longmont, CO

LONGMONT/VBRAND (KLMO)

Partly Cloudy

68.5 F

Humidity:	52%
Wind Speed:	0.0 mph
Barometer:	30.04 in
Dewpoint:	50.4 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Sep 2 2026, 09:15 PM MDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — Colorado

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Colorado

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — Longmont, CO

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
09:15 PM MDT	0.0	10.00	Partly Cloudy	--	68.5	50.4	52%	NA	NA	30.04	1017.3
08:55 PM MDT		10.00	Clear	--	NULL		%	NA	NA		M
08:35 PM MDT		10.00	Clear	--	NULL		%	NA	NA		M
08:15 PM MDT	9.2	10.00	Partly Cloudy	--	73.4	49.1	42%	NA	72.5	30.03	1016.9
07:55 PM MDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
07:35 PM MDT	8.1	10.00	Clear	--	75.6	47.5	37%	NA	74.5	30.01	1016.3
07:15 PM MDT	6.9	10.00	Clear	--	77.0	48.2	36%	NA	76.1	30.01	1016.3
06:55 PM MDT	6.9	10.00	Clear	--	77.5	46.9	34%	NA	76.6	30.01	1016.3
06:35 PM MDT	5.8	7.00	Clear	--	80.4	46.6	30%	NA	79.5	30.01	1016.3
06:15 PM MDT	5.8	10.00	Clear	--	80.8	47.1	31%	NA	79.7	30.01	1016.3
05:55 PM MDT	NW 10.3 G 17.2	10.00	Clear	--	81.9	46.4	29%	NA	80.2	30.01	1016.3
05:35 PM MDT	G 20.8	10.00	Light Rain	--	82.8	45.1	27%	NA	80.8	30.02	1016.6
05:15 PM MDT	G 40.3	10.00	Light Rain	--	80.6	42.4	26%	NA	79.5	30.03	1016.9
04:55 PM MDT	4.7	10.00	Cloudy	--	85.3	43.0	23%	NA	82.4	30.00	1015.9
04:35 PM MDT	E 5.8	10.00	Mostly Cloudy	--	86.9	41.7	21%	NA	83.7	29.99	1015.6
04:15 PM MDT	4.7	10.00	Mostly Cloudy	--	88.3	41.9	20%	NA	84.7	29.98	1015.2
03:55 PM MDT	E 8.1 G 16.1	10.00	Partly Cloudy	--	88.5	40.3	18%	NA	84.9	29.99	1015.6
03:35 PM MDT	5.8	10.00	Clear	--	88.2	40.8	19%	NA	84.6	30.00	1015.9
03:15 PM MDT	3.4	10.00	Clear	--	88.2		%	NA	NA	30.00	1015.9
02:55 PM MDT	E 5.8	10.00	Clear	--	88.3		%	NA	NA	30.01	1016.3
02:35 PM MDT	5.8	10.00	Clear	--	87.4		%	NA	NA	30.03	1016.9
02:15 PM MDT	6.9	10.00	Clear	--	87.4	41.0	20%	NA	84.0	30.04	1017.3
01:55 PM MDT	SE 6.9	10.00	Clear	--	86.9	40.6	20%	NA	83.5	30.05	1017.6
01:35 PM MDT	0.0	10.00	Clear	--	87.1		%	NA	NA	30.05	1017.6
01:15 PM MDT		10.00	Clear	--	87.1	41.9	21%	NA	83.8	30.06	1018.0
12:55 PM MDT	8.1	10.00	Clear	--	85.3	41.4	21%	NA	82.4	30.07	1018.3
12:35 PM MDT	E 10.3	10.00	Clear	--	86.0	43.0	22%	NA	82.9	30.08	1018.6
12:15 PM MDT	E 8.1	7.00	Clear	--	85.3	41.4	21%	NA	82.4	30.09	1019.0
11:55 AM MDT	6.9	10.00	Clear	--	84.4	42.3	23%	NA	81.7	30.10	1019.3
11:35 AM MDT	S 6.9	10.00	Clear	--	83.7	42.4	23%	NA	81.1	30.12	1019.7
11:15 AM MDT	SE 5.8	10.00	Clear	--	82.4		%	NA	NA	30.12	1019.7
10:55 AM MDT	SE 4.7	10.00	Clear	--	82.0		%	NA	NA	30.12	1019.7
10:35 AM MDT	6.9	10.00	Clear	--	80.8		%	NA	NA	30.12	1020.0
10:15 AM MDT	0.0	10.00	Clear	--	79.3	45.1	30%	NA	78.4	30.12	1020.0
09:55 AM MDT	SE 3.4	7.00	Clear	--	77.4	46.2	33%	NA	76.3	30.12	1020.0
09:35 AM MDT	SE 5.8	10.00	Clear	--	75.9	46.6	35%	NA	74.8	30.12	1020.0
09:15 AM MDT	SE 4.7	10.00	Clear	--	74.7	47.7	38%	NA	73.6	30.12	1019.7
08:55 AM MDT	0.0	5.00	Haze	--	72.1	48.4	43%	NA	71.1	30.12	1019.7
08:35 AM MDT	0.0	7.00	Clear	--	NULL	47.8	%	NA	NA	30.12	1019.7
08:15 AM MDT	3.4	7.00	Clear	--	NULL	47.3	%	NA	NA	30.12	1019.7
07:55 AM MDT	0.0	7.00	Clear	--	61.5	48.7	63%	NA	NA	30.12	1019.7
07:35 AM MDT	0.0	7.00	Clear	--	57.9	47.3	68%	NA	NA	30.12	1019.7
07:15 AM MDT	0.0	7.00	Clear	--	55.2	45.7	70%	NA	NA	30.12	1019.7
06:55 AM MDT	0.0	4.00	Haze	--	50.4	44.1	79%	NA	NA	30.12	1019.7
06:35 AM MDT	W 3.4	7.00	Clear	--	51.3	43.9	76%	NA	NA	30.10	1019.3
06:15 AM MDT	0.0	7.00	Clear	--	53.4	44.4	71%	NA	NA	30.10	1019.3
05:55 AM MDT	0.0	10.00	NULL	--	54.3	44.8	70%	NA	NA	30.10	1019.3
05:35 AM MDT	0.0	10.00	Clear	--	52.9	45.0	74%	NA	NA	30.10	1019.3
05:15 AM MDT	W 3.4	7.00	Clear	--	54.0	45.3	72%	NA	NA	30.09	1019.0
04:55 AM MDT	3.4	7.00	Clear	--	54.5	45.5	72%	NA	NA	30.09	1019.0
04:35 AM MDT	0.0	7.00	Clear	--	57.6	45.5	64%	NA	NA	30.10	1019.3
04:15 AM MDT	3.4	7.00	Clear	--	56.8	45.7	66%	NA	NA	30.09	1019.0
03:55 AM MDT	0.0	10.00	Clear	--	58.3	45.0	61%	NA	NA	30.09	1019.0
03:35 AM MDT	0.0	7.00	Clear	--	59.0	45.1	60%	NA	NA	30.09	1019.0
03:15 AM MDT	0.0	7.00	Clear	--	61.2	45.0	55%	NA	NA	30.09	1019.0
02:55 AM MDT	0.0	10.00	Clear	--	62.2	45.5	54%	NA	NA	30.08	1018.6
02:35 AM MDT	0.0	7.00	Partly Cloudy	--	62.8	46.2	55%	NA	NA	30.08	1018.6
02:15 AM MDT	0.0	10.00	Mostly Cloudy	--	65.8	44.8	47%	NA	NA	30.08	1018.6
01:55 AM MDT	6.9	10.00	Partly Cloudy	--	70.5	40.5	34%	NA	68.9	30.08	1018.6
01:35 AM MDT	NW 10.3	10.00	Partly Cloudy	--	69.3	41.2	36%	NA	NA	30.08	1018.6
01:15 AM MDT	NW 11.4	10.00	Mostly Cloudy	--	69.1	42.1	38%	NA	NA	30.08	1018.6
12:55 AM MDT	NW 10.3	10.00	Mostly Cloudy	--	68.7	42.8	39%	NA	NA	30.08	1018.6
12:35 AM MDT	NW 8.1	10.00	Mostly Cloudy	--	67.1	43.2	42%	NA	NA	30.09	1019.0
12:15 AM MDT	NW 8.1	7.00	Clear	--	64.8	43.7	46%	NA	NA	30.09	1019.0
11:55 PM MDT	6.9	10.00	Clear	--	64.9	44.1	47%	NA	NA	30.09	1019.0
11:35 PM MDT	NW 4.7	10.00	Clear	--	63.1	45.5	53%	NA	NA	30.10	1019.3
11:15 PM MDT	W 3.4	7.00	Clear	--	63.9	45.5	51%	NA	NA	30.10	1019.3
10:55 PM MDT	0.0	7.00	Partly Cloudy	--	64.2	45.7	51%	NA	NA	30.10	1019.3
10:35 PM MDT	W 4.7	10.00	Mostly Cloudy	--	63.9	48.6	57%	NA	NA	30.10	1019.3
10:15 PM MDT	3.4	7.00	Partly Cloudy	--	63.1	48.9	60%	NA	NA	30.12	1019.7
09:55 PM MDT	W 4.7	10.00	Partly Cloudy	--	NULL	49.1	%	NA	NA	30.12	1019.7
09:35 PM MDT	W 3.4	10.00	Clear	--	NULL	49.1	%	NA	NA	30.10	1019.3