As of 21:52 MDT

Thornton, CO weather in April

81°

Thornton, Saturday, 8 August, 21:52

Overcast. Feels like 80°. High 97°, low 66°.

Pressure29.83 inHg

Wind2 mph W

Humidity25%

Visibility6.2 mi

Dew point42°

See detailed hourly forecast

In April, Thornton, CO averages a high of 59.2° and a low of 32.5°. About 2.7 inches of precipitation fall over the month (10 wet days). The record high is 86.7° (2025) and the record low -4° (1975). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	55°	28.2°	28%	80.6° (2012)	7° (1972)
2	54.9°	28.2°	45%	77.5° (2011)	-4° (1975)
3	52°	28.4°	43%	74.3° (2021)	3.9° (1975)
4	54.7°	26.1°	30%	75.7° (2021)	1.8° (1970)
5	57.6°	28°	17%	77.2° (2021)	4.5° (1964)
6	58.6°	29.7°	17%	78.3° (1991)	5.5° (1983)
7	58.5°	30.6°	15%	77.5° (1978)	10.4° (1983)
8	59.2°	30.9°	15%	73.6° (2017)	3.4° (1964)
9	59.5°	30.7°	28%	76.8° (1977)	8.2° (1964)
10	57.6°	30.7°	28%	77.2° (1977)	-2.4° (1973)
11	57.9°	31.5°	35%	81.3° (2023)	9.9° (1995)
12	58.6°	31.8°	30%	86.7° (2025)	6.8° (1997)
13	58.5°	31.5°	37%	81° (2006)	7.3° (1997)
14	60.6°	30.9°	22%	80.2° (2024)	4.3° (2020)
15	60.1°	33.1°	25%	80.1° (2002)	8.2° (1974)
16	59.7°	33.1°	28%	77° (2025)	12.9° (1973)
17	61°	33.8°	27%	80.8° (2006)	8.6° (1999)
18	60.3°	33.6°	27%	78.8° (2017)	12° (2013)
19	58.3°	34°	33%	78.8° (2022)	8.4° (2013)
20	58.8°	33.3°	37%	79.9° (1962)	9° (2021)
21	60.1°	33.4°	33%	81.3° (1989)	18.7° (1966)
22	60.8°	34.7°	42%	82.6° (2022)	22.1° (2021)
23	62.2°	35.2°	35%	79.2° (1989)	19.4° (1984)
24	62.1°	35.4°	38%	83.3° (2012)	10.6° (2013)
25	61.5°	37.2°	38%	78.6° (1981)	23.5° (2013)
26	61.7°	36°	38%	79.3° (2012)	22.8° (1997)
27	61.2°	35.8°	32%	79.2° (2025)	15.6° (1995)
28	63.1°	36.5°	38%	75.9° (2019)	22.6° (1984)
29	62.1°	36.9°	42%	81.7° (2018)	23.2° (1996)
30	60.6°	37.2°	52%	83.1° (1992)	11.8° (1960)