As of 21:40 MDT

Grand Junction, CO weather in August

85°

Grand Junction, Saturday, 8 August, 21:40

Overcast. Feels like 82°. High 101°, low 69°.

Pressure29.91 inHg

Wind7 mph W

Humidity19%

Visibility6.2 mi

Dew point42°

See detailed hourly forecast

In August, Grand Junction, CO averages a high of 88° and a low of 61.4°. About 3.1 inches of precipitation fall over the month (12 wet days). The record high is 102.4° (2020) and the record low 46° (1992). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	90.1°	64.2°	38%	102° (2024)	55.2° (1995)
2	90.1°	64.2°	42%	101.1° (2020)	57.2° (1977)
3	89.6°	64.2°	37%	101.7° (2024)	55.8° (1975)
4	89.8°	63.7°	35%	100.8° (1979)	53.8° (1975)
5	89.6°	63.3°	42%	99.9° (2025)	54.1° (1976)
6	90°	63.3°	40%	100.6° (2025)	53.1° (1976)
7	89.4°	63.1°	37%	101.5° (2025)	54° (1962)
8	89.8°	62.2°	32%	99° (2025)	56.8° (2011)
9	89.6°	62.4°	30%	98.6° (2018)	55.4° (1976)
10	89.4°	62.1°	32%	98.2° (2022)	55.2° (1976)
11	89.2°	62.2°	40%	97.2° (2022)	51.6° (1974)
12	88.9°	62.2°	45%	99.7° (2018)	54.7° (1974)
13	88.9°	62.1°	35%	100.4° (2021)	53.6° (1985)
14	88.5°	61.5°	35%	99.3° (2021)	53.8° (1976)
15	87.8°	61.3°	27%	98.4° (2020)	47.8° (1968)
16	88.3°	61.2°	30%	100° (2020)	50.2° (1968)
17	88.9°	61.3°	33%	100.8° (2020)	51.4° (1968)
18	87.8°	61.3°	40%	101.5° (2020)	49.8° (1978)
19	87.1°	60.8°	40%	102.4° (2020)	49.8° (1978)
20	86.4°	60.8°	48%	100.9° (2020)	50° (2021)
21	86.9°	60.3°	47%	101.5° (2025)	52.9° (1980)
22	86.2°	60.6°	47%	101.7° (2020)	49.3° (1964)
23	86.2°	60.4°	33%	99.3° (2020)	47.7° (1968)
24	86.2°	59.9°	30%	98.8° (2020)	47.3° (1968)
25	86.2°	59.7°	40%	99° (2019)	50.9° (1962)
26	86.2°	59.9°	43%	97.2° (2020)	50.9° (1992)
27	85.6°	59.9°	47%	99.1° (2020)	46° (1992)
28	86.2°	59.4°	37%	95.7° (2017)	47.5° (1964)
29	86.7°	58.6°	30%	95.9° (2021)	50° (2004)
30	86.9°	58.3°	30%	97.3° (2023)	50° (1964)
31	86°	59.2°	43%	97.9° (2019)	52.2° (1975)