As of 13:00 MDT

Porcupine, SD weather in October

89°

Porcupine, Sunday, 9 August, 13:00

Overcast. Feels like 86°. High 93°, low 66°.

Pressure29.77 inHg

Wind10.7 mph E

Humidity26%

Visibility6.2 mi

Dew point52°

See detailed hourly forecast

In October, Porcupine, SD averages a high of 60.4° and a low of 40.9°. About 1.8 inches of precipitation fall over the month (7 wet days). The record high is 91.2° (1963) and the record low -3.8° (1991). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	69.6°	48.7°	22%	88.2° (2005)	27° (1985)
2	68.7°	48.7°	23%	89.4° (2011)	29.7° (1999)
3	66°	46.6°	30%	89.8° (2025)	32° (1968)
4	65.3°	45.1°	28%	91.2° (1963)	30.9° (2013)
5	63.5°	46°	25%	91.2° (1963)	30.2° (2013)
6	63.9°	43.3°	20%	89.1° (1975)	26.4° (2000)
7	65.5°	44.1°	18%	86.2° (1975)	21.7° (2000)
8	63.5°	44.1°	22%	84.9° (1960)	22.5° (1970)
9	61.3°	42.1°	27%	84.9° (2003)	17.8° (1970)
10	63.7°	42.4°	23%	85.3° (2024)	19.6° (2009)
11	62.4°	43.2°	27%	86° (2015)	19.8° (2019)
12	61.2°	41.7°	17%	82.6° (1991)	21.6° (1986)
13	59.9°	40.5°	20%	81.7° (1968)	20.1° (1969)
14	59.7°	40.8°	27%	83.5° (2016)	14.7° (1969)
15	58.5°	39.7°	18%	82° (1964)	14.5° (1966)
16	60.1°	40.5°	18%	83.7° (1991)	12° (1969)
17	60.3°	39.7°	18%	82.2° (2024)	16° (1969)
18	59°	39.9°	28%	80.8° (2003)	24.4° (1972)
19	61.2°	39.9°	18%	83.5° (2003)	24.3° (1976)
20	61.3°	40.8°	17%	79.7° (1978)	23.5° (1982)
21	60.8°	40.8°	22%	83.8° (1992)	22.8° (1984)
22	58.3°	40.3°	20%	80.2° (2003)	20.7° (1981)
23	57.6°	38.5°	20%	77.7° (1973)	11.5° (1981)
24	57°	38.3°	17%	78.3° (1960)	21.6° (2002)
25	58.1°	37.8°	15%	75.7° (1989)	9.1° (2020)
26	57.2°	37.6°	8%	75.6° (2014)	-0.6° (1997)
27	55.6°	36.3°	15%	78.3° (2016)	11.1° (2020)
28	55.8°	36.5°	15%	77.4° (2016)	12.6° (1991)
29	54.5°	35.8°	30%	76.1° (1978)	4.3° (1991)
30	52.5°	34°	27%	76.3° (1968)	-3.8° (1991)
31	52°	34.5°	17%	77.2° (1990)	1.4° (1991)