As of 07:32 MDT

Arpan, SD weather in August

51°

Arpan, Thursday, 8 October, 07:32

Mostly clear. Feels like 49°. High 76°, low 50°.

Pressure30.06 inHg

Wind6.6 mph SE

Humidity63%

Visibility6.2 mi

Dew point39°

See detailed hourly forecast

In August, Arpan, SD averages a high of 84.8° and a low of 61.5°. About 1.2 inches of precipitation fall over the month (6 wet days). The record high is 105.4° (1975) and the record low 41.7° (1964). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	87.1°	63.5°	18%	99.9° (2022)	49.3° (1968)
2	86.5°	63.5°	22%	101.8° (2024)	54.7° (1972)
3	84.7°	63.1°	32%	101.5° (2001)	46.2° (1978)
4	84°	62.6°	23%	102.9° (2001)	49.1° (1978)
5	85.6°	62.4°	25%	100.9° (1964)	50.7° (1993)
6	86.4°	63°	15%	104.4° (1961)	53.2° (1993)
7	87.1°	63°	22%	105.4° (1975)	54.3° (1993)
8	85.1°	62.6°	25%	100.6° (2005)	52.9° (2023)
9	83.3°	61°	28%	98.8° (2006)	51.6° (1960)
10	84.2°	61°	15%	100.9° (2000)	49.3° (1985)
11	86.4°	61.3°	22%	101.5° (2006)	46.4° (1977)
12	85.1°	61.7°	20%	101.5° (1965)	50° (1964)
13	84°	61.5°	17%	101.3° (1972)	45.5° (1966)
14	84.4°	61.9°	22%	100.9° (2003)	46.8° (1985)
15	85.1°	61.5°	25%	100.4° (2015)	49.6° (1966)
16	85.3°	61.9°	17%	100.8° (1969)	51.3° (2009)
17	85.5°	61.5°	12%	102.4° (2021)	47.5° (1968)
18	84.2°	61.5°	12%	98.2° (1964)	47.1° (2009)
19	84°	60.6°	20%	99.9° (1986)	45.9° (1978)
20	85.5°	61.5°	18%	100.9° (2025)	49.8° (2018)
21	85.5°	61.5°	20%	98.6° (2008)	48° (2009)
22	85.8°	61.7°	17%	104° (1960)	42.8° (1966)
23	85.1°	61°	18%	100.2° (2006)	43.9° (1966)
24	84.9°	61.3°	8%	100.4° (2024)	47.1° (1966)
25	83.7°	60.4°	8%	99° (2011)	41.7° (1964)
26	83.1°	60.6°	18%	99.3° (1970)	49.5° (1992)
27	84°	60.3°	18%	99.9° (2003)	48.7° (1987)
28	83.3°	60.3°	12%	97.9° (2012)	46° (2019)
29	83.5°	59.9°	12%	103.8° (2012)	46.2° (2018)
30	84.2°	59.9°	12%	100.8° (1990)	45.1° (1992)
31	82°	59.4°	18%	97.3° (1975)	44.6° (1993)