As of 09:51 MDT

Longmont, CO weather in October

88°

Longmont, Sunday, 9 August, 09:51

Partly cloudy. Feels like 85°. High 93°, low 69°.

Pressure29.80 inHg

Wind2 mph SE

Humidity23%

Visibility6.2 mi

Dew point46°

See detailed hourly forecast

In October, Longmont, CO averages a high of 62.5° and a low of 37.9°. About 1.5 inches of precipitation fall over the month (6 wet days). The record high is 84.6° (2024) and the record low -1.5° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	70.7°	45°	15%	83.8° (1978)	13.8° (1985)
2	70.5°	44.6°	13%	84.6° (2024)	26.6° (1985)
3	68.9°	44.1°	22%	83.5° (2025)	32.4° (2017)
4	66.9°	43.2°	22%	81.7° (2010)	31.8° (1969)
5	66.6°	42.8°	25%	83.7° (2024)	27.1° (1969)
6	65.5°	41.5°	22%	83.7° (2020)	22.5° (1969)
7	67.3°	41°	15%	82.9° (1979)	27.1° (1970)
8	66.4°	40.6°	22%	84.4° (2020)	14° (1970)
9	63.9°	39.6°	23%	82.6° (2020)	13.8° (1970)
10	64.8°	38.5°	22%	84.2° (2024)	15.3° (2017)
11	64.9°	39.6°	22%	83.3° (2015)	5.9° (2019)
12	63.9°	39.2°	23%	82° (1975)	18.3° (1969)
13	63.1°	38.7°	18%	80.6° (1962)	8.6° (1969)
14	63.7°	37.9°	25%	81° (1962)	12.6° (1969)
15	61.3°	37.4°	22%	80.1° (2011)	3° (2018)
16	62.4°	36.7°	18%	82.6° (1991)	17.1° (1970)
17	62.4°	37.2°	12%	81.1° (2023)	10.9° (1999)
18	61°	37.2°	17%	79.3° (2003)	20.3° (1999)
19	62.8°	36.3°	13%	82° (2003)	12.9° (1989)
20	63°	37°	20%	82.6° (2023)	23.4° (1984)
21	61.9°	37°	20%	79.7° (2003)	16.3° (1990)
22	60.8°	36.7°	13%	80.4° (2003)	24.1° (1984)
23	60.8°	36.3°	18%	80.6° (2003)	18° (2020)
24	59.7°	35.4°	20%	77.4° (2011)	13.5° (1975)
25	60.1°	34.7°	18%	78.4° (2017)	8.1° (1975)
26	58.1°	34.9°	17%	75.4° (2014)	4.1° (2020)
27	57°	33.8°	20%	79° (2016)	-1.5° (2020)
28	57.6°	32.9°	20%	76.8° (2016)	9° (2019)
29	56.1°	32.7°	27%	76.8° (1968)	8.1° (1993)
30	53.2°	31.3°	27%	75° (1968)	-0.2° (1993)
31	52.9°	30.9°	23%	75.4° (2016)	-0.9° (2019)