As of 03:38 MDT

Longmont, CO weather in July

70°

Longmont, Sunday, 9 August, 03:38

Partly cloudy. Feels like 68°. High 97°, low 69°.

Pressure29.85 inHg

Wind1 mph SW

Humidity37%

Visibility6.2 mi

Dew point42°

See detailed hourly forecast

In July, Longmont, CO averages a high of 84.5° and a low of 58.5°. About 1.7 inches of precipitation fall over the month (8 wet days). The record high is 99.9° (2025) and the record low 44.6° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.7°	56.1°	22%	97.3° (2012)	46.2° (1995)
2	84.4°	56.7°	20%	96.3° (1990)	51.1° (1995)
3	84.6°	57°	15%	95.2° (2012)	45.9° (1972)
4	83.8°	57°	15%	95.2° (2012)	48.6° (1972)
5	84°	57.2°	33%	94.1° (1964)	44.6° (1972)
6	85.3°	57.6°	17%	97.7° (1973)	48.9° (2024)
7	84.7°	57.7°	18%	96.1° (2014)	51.1° (1960)
8	84.2°	58.5°	35%	95.9° (2021)	49.5° (2024)
9	84.9°	58.1°	20%	99.9° (2025)	50.9° (2010)
10	85.8°	58.5°	22%	97.9° (2020)	51.6° (1982)
11	85.1°	58.5°	13%	94.6° (2018)	52.2° (1982)
12	85.1°	58.5°	33%	99.1° (2024)	50.4° (1987)
13	85.6°	58.1°	22%	97.2° (2024)	45.9° (1987)
14	84.9°	58.6°	28%	95.7° (2024)	50.5° (1990)
15	84.7°	58.6°	22%	95° (2025)	50.2° (1973)
16	85.8°	58.8°	20%	96.6° (2003)	51.6° (1962)
17	85.6°	59.5°	30%	95.5° (2010)	51.8° (1992)
18	86°	59.7°	17%	97° (2022)	51.6° (1992)
19	85.1°	59.9°	33%	96.4° (2005)	53.1° (1987)
20	83.7°	59.5°	33%	99.7° (2005)	51.8° (1988)
21	84.4°	58.8°	32%	99° (2005)	51.1° (1973)
22	84.4°	58.8°	28%	97.9° (2005)	48.7° (1961)
23	84.6°	59.2°	30%	95.5° (2005)	49.1° (1990)
24	84.2°	59.5°	35%	95.2° (2003)	52° (2004)
25	84.2°	59.4°	28%	96.3° (2024)	52.5° (1973)
26	83.5°	59.2°	30%	91.9° (1993)	49.5° (2004)
27	84.2°	58.5°	23%	96.1° (2025)	51.8° (1971)
28	83.5°	58.6°	32%	96.6° (2025)	52.2° (1981)
29	83.7°	58.8°	30%	96.4° (2024)	49.5° (1971)
30	83.3°	58.8°	27%	96.4° (2024)	46.2° (1971)
31	83.1°	58.6°	32%	96.3° (2002)	49.8° (1973)