As of 07:32 MDT

Castle Rocks, ID weather in August

39°

Castle Rocks, Thursday, 8 October, 07:32

Clear. Feels like 39°. High 75°, low 38°.

Pressure30.06 inHg

Wind0.8 mph E

Humidity60%

Visibility6.2 mi

Dew point27°

See detailed hourly forecast

In August, Castle Rocks, ID averages a high of 81.1° and a low of 55.2°. About 0.5 inches of precipitation fall over the month (3 wet days). The record high is 95.9° (1961) and the record low 34.9° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	84.7°	57.9°	5%	93.9° (2003)	43.7° (1975)
2	83.5°	57.7°	8%	94.1° (2024)	45.9° (1963)
3	83.5°	57.2°	7%	95.2° (1961)	45° (1985)
4	84°	57.6°	10%	95.9° (1961)	45.1° (1980)
5	84.2°	57.4°	8%	91.8° (2005)	46.9° (1976)
6	83.5°	57.2°	10%	94.1° (2001)	42.8° (1996)
7	82.6°	56.7°	8%	94.5° (1983)	45.7° (1996)
8	81.7°	55.9°	10%	95° (1990)	45° (1976)
9	82.9°	55.4°	3%	94.1° (2000)	42.6° (1995)
10	83.5°	56.3°	8%	94.5° (2018)	47.1° (1974)
11	82.4°	56.5°	5%	93.6° (1996)	44.1° (1985)
12	82.4°	55.9°	10%	91.4° (1992)	43.2° (1985)
13	82.2°	55.9°	8%	91.9° (1971)	46° (1985)
14	81.7°	55.6°	7%	93.6° (2003)	45° (1978)
15	81.5°	55.8°	17%	93.9° (2003)	43.2° (1968)
16	81°	55.6°	10%	91.9° (1967)	39.9° (1976)
17	80.8°	54.7°	8%	91.9° (2001)	40.3° (1978)
18	80.1°	55°	13%	91.8° (1967)	39.4° (1978)
19	80.4°	54.7°	12%	93° (1961)	42.3° (1980)
20	80.1°	55°	8%	89.2° (1967)	41.2° (1964)
21	79.7°	55°	13%	92.1° (2009)	42.8° (1974)
22	79.7°	54.1°	17%	93.6° (1969)	40.5° (1968)
23	78.8°	53.6°	12%	93.4° (1969)	38.5° (1968)
24	78.4°	53.4°	8%	93.4° (1969)	37.6° (1992)
25	79°	53.8°	10%	90.3° (1966)	37.6° (1960)
26	79.2°	53.2°	7%	92.5° (2010)	39.6° (1993)
27	78.4°	53.4°	8%	89.6° (2001)	39° (1976)
28	79.2°	52.9°	3%	90° (2009)	35.1° (1960)
29	79.5°	54°	3%	90.7° (1998)	37° (1964)
30	78.4°	53.4°	13%	90.1° (2007)	34.9° (1965)
31	76.1°	51.4°	8%	91.9° (2022)	36.9° (1965)