As of 00:09 MDT

Boise, ID weather in August

75°

Boise, Sunday, 9 August, 00:09

Clear. Feels like 75°. High 95°, low 58°.

Pressure29.85 inHg

Wind4.5 mph W

Humidity40%

Visibility6.2 mi

Dew point47°

See detailed hourly forecast

In August, Boise, ID averages a high of 89° and a low of 62.5°. About 0.3 inches of precipitation fall over the month (1 wet days). The record high is 107.1° (2018) and the record low 42.8° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	92.8°	65.1°	5%	103.8° (2022)	54.3° (2001)
2	91.6°	65.5°	2%	106.3° (2024)	52.5° (1963)
3	91.6°	64.8°	2%	104.5° (2024)	56.3° (1985)
4	92.3°	64.4°	2%	106.5° (1961)	52.5° (1996)
5	92.1°	64.6°	2%	101.8° (1998)	55° (1980)
6	91.8°	65.1°	3%	104.2° (1990)	51.4° (1996)
7	90.7°	63.9°	3%	104.5° (1983)	51.8° (1996)
8	89.8°	63.1°	0%	104.4° (1990)	53.2° (1995)
9	91.4°	63.1°	0%	104.5° (2018)	48.9° (1995)
10	91.6°	63.9°	7%	107.1° (2018)	54.5° (1970)
11	90.7°	64.2°	2%	102.6° (2018)	52.7° (1985)
12	90.7°	63.5°	3%	100.4° (2021)	49.8° (1985)
13	90.3°	63.1°	10%	103.1° (2015)	53.6° (1995)
14	89.6°	63°	7%	102° (1994)	51.1° (1995)
15	89.4°	62.8°	8%	102° (2021)	51.3° (1968)
16	88.9°	63°	3%	103.5° (2023)	47.3° (1976)
17	88.7°	62.1°	5%	104.2° (2022)	47.7° (1978)
18	88.2°	62.6°	5%	101.7° (2008)	49.8° (1978)
19	88.3°	62.2°	7%	102.2° (1961)	48.6° (1995)
20	87.8°	62.2°	7%	98.8° (1967)	49.3° (1964)
21	87.8°	62.1°	2%	100° (1969)	47.7° (1968)
22	87.4°	61.3°	8%	100.6° (1969)	49.8° (1968)
23	86.4°	60.6°	10%	104.4° (1969)	45.9° (1960)
24	86°	60.4°	8%	99.5° (1966)	45.7° (1992)
25	86.4°	60.4°	5%	97.2° (1996)	44.4° (1960)
26	86.4°	60.3°	2%	101.5° (2010)	46.4° (1992)
27	86.4°	60.4°	5%	98.4° (2009)	45.7° (1976)
28	86.5°	60.1°	2%	99.7° (2017)	43.2° (1960)
29	87.4°	61°	0%	99.9° (2017)	47.1° (1965)
30	86°	60.6°	7%	99.3° (2022)	47.8° (1993)
31	84.2°	58.5°	5%	104.2° (2022)	42.8° (1965)