As of 08:23 CDT

Groton, SD weather in August

67°

Groton, Sunday, 9 August, 08:23

Partly cloudy. Feels like 68°. High 82°, low 65°.

Pressure29.88 inHg

Wind3 mph N

Humidity89%

Visibility6.2 mi

Dew point62°

See detailed hourly forecast

In August, Groton, SD averages a high of 80.8° and a low of 62.5°. About 2.6 inches of precipitation fall over the month (8 wet days). The record high is 102.4° (1965) and the record low 44.2° (1985). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	82.4°	63.5°	17%	99.1° (1988)	52.7° (1968)
2	82°	63.1°	30%	99° (1982)	48.9° (1971)
3	81.7°	63.7°	25%	96.4° (1989)	48.9° (1972)
4	80.6°	62.8°	22%	94.1° (2001)	47.8° (1993)
5	81.3°	62.8°	28%	96.8° (2022)	52° (1994)
6	81.9°	63.9°	33%	98.1° (1979)	49.3° (1993)
7	82.6°	63.7°	27%	97.5° (1983)	52.7° (1972)
8	81.7°	64°	17%	95.2° (2005)	51.4° (2022)
9	80.4°	62.4°	25%	95.5° (1971)	46.9° (1972)
10	79.5°	61.2°	18%	95.7° (1988)	49.3° (1985)
11	81.5°	61.9°	18%	99.1° (1988)	48.6° (1986)
12	81.5°	64°	33%	97.3° (1978)	48.2° (1964)
13	80.2°	62.6°	20%	102.4° (1965)	45.3° (1964)
14	79.9°	62.1°	18%	94.6° (1961)	47.8° (1979)
15	81.3°	62.4°	28%	97.3° (1988)	50.4° (1979)
16	80.6°	62.6°	22%	98.6° (1988)	52.3° (1970)
17	81.1°	62.6°	25%	99.7° (1973)	50.2° (1977)
18	80.1°	62.4°	32%	100.4° (1973)	46.4° (2002)
19	79.5°	61.7°	30%	99.1° (1976)	44.2° (1985)
20	79.7°	61.9°	28%	97.2° (1976)	48° (2015)
21	80.6°	62.6°	27%	95.5° (1976)	47.7° (2004)
22	80.2°	62.4°	27%	94.3° (1960)	49.8° (1974)
23	81.3°	62.6°	33%	98.2° (1971)	47.3° (1966)
24	81.3°	63.1°	23%	95.9° (1976)	46.9° (1966)
25	80.4°	62.6°	27%	93.7° (1991)	46.8° (2025)
26	80.2°	61.7°	23%	99.3° (1976)	45.9° (1992)
27	80.2°	61.2°	27%	96.8° (1973)	46.9° (1982)
28	80.1°	61.9°	22%	97.2° (1984)	45.1° (1965)
29	80.6°	61.5°	18%	99.3° (2012)	47.7° (1988)
30	79.9°	60.4°	25%	95.4° (1961)	47.5° (2009)
31	79.3°	61.5°	28%	93.4° (1979)	45° (1987)