As of 00:26 MDT

Thornton, CO weather in January

77°

Thornton, Sunday, 9 August, 00:26

Partly cloudy. Feels like 75°. High 95°, low 66°.

Pressure29.85 inHg

Wind1 mph N

Humidity26%

Visibility6.2 mi

Dew point38°

See detailed hourly forecast

In January, Thornton, CO averages a high of 39.2° and a low of 15.6°. About 0.9 inches of precipitation fall over the month (5 wet days). The record high is 64.8° (2009) and the record low -41.8° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	34.7°	12.7°	20%	62.6° (1997)	-13° (2011)
2	36.7°	11.7°	17%	63.7° (1997)	-13.9° (1979)
3	36°	12.6°	13%	56.8° (2003)	-20° (1974)
4	36.1°	12.7°	12%	56.8° (2001)	-23.1° (1972)
5	35.8°	13.6°	15%	57.9° (2001)	-18.6° (1971)
6	35.6°	13.5°	17%	61.3° (2006)	-26.7° (1971)
7	36.7°	13.3°	13%	63.5° (2006)	-20.4° (1971)
8	38.7°	14°	13%	61.7° (2003)	-17.5° (2010)
9	37°	15.1°	13%	61° (2018)	-22.4° (1962)
10	39.2°	15.1°	13%	58.8° (1990)	-36° (1962)
11	39°	15.3°	17%	59° (1986)	-18.9° (1962)
12	38.7°	15.1°	23%	59.4° (1996)	-41.8° (1963)
13	39.4°	14.5°	7%	60.8° (1996)	-28.1° (1963)
14	40.1°	15.8°	12%	59.7° (2006)	-13.7° (2024)
15	40.8°	15.4°	17%	60.3° (1995)	-22.7° (2024)
16	38.7°	16.3°	23%	56.7° (2009)	-24.3° (2024)
17	40.3°	16.2°	12%	59.5° (2000)	-13.5° (2008)
18	41.5°	17.6°	17%	59° (2018)	-7.4° (1963)
19	41°	17.8°	25%	63.3° (2018)	-22.7° (1963)
20	39.7°	17.2°	22%	64.4° (2005)	-11.9° (1988)
21	40.8°	16.9°	18%	64.8° (2009)	-15.3° (1962)
22	39.9°	16.5°	13%	62.6° (2009)	-16.6° (1962)
23	41.4°	15.6°	10%	61.3° (2005)	-19.5° (1963)
24	41°	17.2°	10%	62.2° (1970)	-5.1° (2008)
25	40.1°	18.3°	23%	56.5° (2005)	-0.4° (1962)
26	40.8°	16.9°	17%	60.1° (1975)	-9° (1963)
27	41°	17.4°	20%	63.5° (2015)	-17.5° (1963)
28	41.9°	17.6°	20%	60.3° (1986)	-10.5° (1973)
29	39.9°	17.8°	25%	59.4° (1976)	-8.7° (2023)
30	41.7°	16.7°	17%	61.9° (2018)	-21.1° (2023)
31	41.4°	17.1°	20%	63° (2003)	-17.1° (1979)