As of 14:25 MDT

Porcupine, SD weather in July

91°

Porcupine, Sunday, 9 August, 14:25

Overcast. Feels like 89°. High 93°, low 66°.

Pressure29.77 inHg

Wind12 mph E

Humidity27%

Visibility6.2 mi

Dew point51°

See detailed hourly forecast

In July, Porcupine, SD averages a high of 85.7° and a low of 64.4°. About 2.3 inches of precipitation fall over the month (9 wet days). The record high is 107.1° (2006) and the record low 44.1° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.5°	62.2°	38%	97.9° (1973)	47.7° (1968)
2	84.2°	62.2°	32%	102.2° (1990)	45.3° (1968)
3	84.7°	63.3°	37%	99.9° (2012)	44.1° (1972)
4	84.2°	62.6°	37%	98.8° (1966)	45.1° (1972)
5	84.9°	63.7°	32%	99.5° (1989)	50.9° (1972)
6	84.7°	63.5°	35%	106° (1973)	51.4° (1993)
7	85.3°	64.2°	33%	102.7° (2007)	53.2° (1993)
8	84.7°	63.9°	30%	101.3° (1989)	51.3° (1994)
9	85.8°	64.2°	33%	100.2° (2017)	50.7° (1993)
10	86.4°	64.9°	32%	100.9° (1966)	51.4° (1999)
11	85.8°	64.2°	33%	99.3° (1985)	53.1° (1975)
12	85.3°	63.7°	23%	97.5° (1995)	50.7° (1987)
13	86.2°	64.4°	17%	100.9° (2003)	49.8° (1987)
14	86.2°	64.2°	28%	99.1° (2006)	50.5° (1993)
15	86°	64.8°	28%	107.1° (2006)	50.2° (2014)
16	88.2°	65.7°	30%	103.1° (2006)	56.1° (1962)
17	87.4°	65.3°	27%	102.2° (2020)	53.6° (1992)
18	87.3°	65.8°	33%	102.7° (2006)	54° (2009)
19	86.4°	66°	32%	103.8° (2012)	53.8° (1993)
20	84.6°	64.8°	37%	104.9° (2012)	49.6° (1972)
21	85.3°	64.9°	37%	100.8° (1960)	53.2° (1972)
22	85.8°	64.8°	25%	102.4° (1964)	50° (1990)
23	86.5°	65.3°	20%	101.5° (2005)	51.8° (1992)
24	86.5°	65.5°	42%	102.6° (2003)	55.8° (2004)
25	86.7°	66°	28%	104.5° (2003)	53.8° (1993)
26	85.1°	64.8°	32%	96.3° (2021)	49.1° (1971)
27	85.5°	63.9°	30%	98.6° (2021)	50.7° (2005)
28	84.9°	64.2°	25%	102.9° (2006)	49.5° (1971)
29	86.2°	64°	28%	102.4° (2006)	46.8° (1971)
30	85.8°	64.8°	27%	100.8° (2006)	48° (1971)
31	85.3°	64.2°	17%	103.8° (2002)	51.6° (1968)