Fort Thompson, Sunday, 9 August, 12:51
Partly cloudy. Feels like 81°. High 91°, low 66°.
In March, Fort Thompson, SD averages a high of 44.6° and a low of 25.3°. About 1.5 inches of precipitation fall over the month (6 wet days). The record high is 79.9° (2012) and the record low -22.7° (1960). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 36.5° | 18.3° | 15% | 67.5° (1974) | -17.9° (1962) |
| 2 | 35.4° | 18° | 18% | 68.2° (1974) | -13.9° (2014) |
| 3 | 37.2° | 19.2° | 18% | 63.7° (1983) | -14.4° (2019) |
| 4 | 38.7° | 20.3° | 22% | 65.3° (2000) | -22.7° (1960) |
| 5 | 37.9° | 19.4° | 22% | 68.7° (2000) | -12.8° (1989) |
| 6 | 39.6° | 20.3° | 23% | 73.4° (1972) | -12.5° (1989) |
| 7 | 37.6° | 19.6° | 17% | 69.3° (2000) | -17° (1996) |
| 8 | 39.2° | 19.8° | 17% | 66.7° (2007) | -15.9° (1995) |
| 9 | 39.6° | 20.7° | 18% | 69.1° (2014) | -15.9° (1996) |
| 10 | 41.5° | 21.6° | 17% | 68° (2012) | -8.7° (1998) |
| 11 | 43.5° | 23.5° | 17% | 72.1° (2016) | -20.9° (1998) |
| 12 | 44.4° | 24.6° | 27% | 76.3° (2007) | -6.7° (1998) |
| 13 | 45.9° | 25.3° | 15% | 73.8° (2012) | 1.2° (1988) |
| 14 | 45.9° | 26.6° | 22% | 72.7° (2003) | -6° (1988) |
| 15 | 45.7° | 25.7° | 8% | 76.6° (2015) | -4° (1988) |
| 16 | 46.4° | 26.2° | 15% | 77.9° (2012) | -1.7° (1988) |
| 17 | 46.4° | 27.9° | 27% | 75.7° (2012) | 7° (1993) |
| 18 | 46.2° | 27.5° | 18% | 79.9° (2012) | -5.1° (1989) |
| 19 | 48° | 28.6° | 25% | 73.4° (2004) | 5.2° (1965) |
| 20 | 46.9° | 28° | 13% | 67.8° (2015) | 5.5° (1965) |
| 21 | 47.1° | 26.6° | 17% | 67.1° (2009) | -3.1° (1964) |
| 22 | 46.8° | 27.3° | 22% | 68.5° (2007) | -9.2° (2002) |
| 23 | 46.8° | 27.3° | 20% | 70.3° (1963) | 1.6° (2002) |
| 24 | 47.5° | 28.2° | 28% | 71.4° (1963) | 4.1° (1964) |
| 25 | 46.9° | 28.8° | 15% | 72° (1961) | -2.9° (1964) |
| 26 | 48.6° | 28° | 27% | 76.6° (2012) | -11.9° (1996) |
| 27 | 51.1° | 30.4° | 22% | 76.8° (1988) | 7.9° (1964) |
| 28 | 51.1° | 31.5° | 25% | 76.3° (1963) | -4.7° (1964) |
| 29 | 50.7° | 32.4° | 23% | 77.4° (2021) | -6.3° (1964) |
| 30 | 51.8° | 31.1° | 20% | 77.9° (2010) | 1.8° (1987) |
| 31 | 50.7° | 31.6° | 27% | 78.3° (2012) | 11.7° (1975) |