As of 08:36 CDT

Fort Thompson, SD weather in August

70°

Fort Thompson, Sunday, 9 August, 08:36

Clear. Feels like 70°. High 91°, low 68°.

Pressure29.80 inHg

Wind9.5 mph NE

Humidity66%

Visibility6.2 mi

Dew point58°

See detailed hourly forecast

In August, Fort Thompson, SD averages a high of 84.8° and a low of 65.7°. About 2.1 inches of precipitation fall over the month (7 wet days). The record high is 107.6° (1965) and the record low 47.5° (1966). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	86.5°	67.1°	28%	102.4° (1964)	53.4° (1995)
2	86.2°	66.4°	30%	102.7° (2022)	56.3° (1971)
3	85.8°	66.9°	30%	104.9° (1980)	53.2° (1972)
4	84.2°	66.2°	35%	100.9° (2001)	52° (1978)
5	84.9°	66.4°	27%	100.9° (2022)	56.8° (1994)
6	85.6°	66.9°	37%	104.9° (1980)	53.2° (1993)
7	86.4°	66.6°	28%	101.7° (2001)	53.8° (1972)
8	85.5°	67.1°	20%	100.4° (2001)	56.5° (1965)
9	84.6°	65.7°	33%	99.5° (1983)	53.6° (1972)
10	83.3°	64.8°	22%	97.5° (1988)	52.5° (1985)
11	85.5°	65.1°	15%	102.6° (1988)	51.8° (1964)
12	85.5°	66.7°	23%	100.6° (1965)	48.4° (1964)
13	84.2°	65.5°	27%	107.6° (1965)	53.1° (1964)
14	84.2°	65.1°	20%	96.4° (2000)	52.2° (2004)
15	84.9°	66°	30%	106.3° (1988)	56.7° (1979)
16	85.1°	65.5°	18%	102° (1988)	55.9° (1977)
17	85.1°	65.5°	12%	99.9° (2003)	52.9° (1968)
18	84.6°	65.8°	28%	99.3° (1983)	50.7° (1985)
19	83.3°	64.8°	20%	97.5° (1974)	51.1° (2004)
20	84.2°	65.1°	27%	99° (1974)	53.8° (2004)
21	85.5°	65.5°	12%	99.7° (2023)	54° (1986)
22	85.3°	66.2°	27%	102° (2023)	53.4° (1966)
23	85.3°	65.8°	27%	101.8° (2003)	47.5° (1966)
24	85.1°	65.7°	13%	98.4° (1991)	50.2° (2015)
25	84.9°	65.3°	13%	101.7° (1991)	50.4° (1964)
26	84.6°	64.9°	20%	103.5° (1991)	50.2° (1992)
27	84.2°	64.6°	22%	101.1° (1962)	47.7° (1992)
28	83.8°	65.3°	18%	99° (1991)	49.1° (1986)
29	84.4°	64.6°	13%	106° (2012)	53.4° (1988)
30	84°	64.2°	20%	97.5° (1961)	51.8° (1992)
31	82.8°	64.6°	17%	96.4° (1979)	50.5° (1993)