Decker, Wednesday, 7 October, 13:34
Overcast. Feels like 74°. High 77°, low 47°.
In March, Decker, MT averages a high of 45.9° and a low of 24°. About 1.5 inches of precipitation fall over the month (8 wet days). The record high is 77.9° (2004) and the record low -22.2° (2014). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 40.5° | 19.8° | 20% | 65.7° (1992) | -14.1° (1960) |
| 2 | 40.3° | 18.5° | 25% | 66° (2009) | -22.2° (2014) |
| 3 | 41.7° | 19.2° | 23% | 64.2° (1992) | -20.9° (2019) |
| 4 | 39.6° | 19.2° | 30% | 61.9° (1992) | -19.7° (2019) |
| 5 | 41.7° | 19.2° | 25% | 70.5° (1987) | -9.9° (2019) |
| 6 | 41.2° | 21.6° | 33% | 70° (1987) | -9.9° (1996) |
| 7 | 41.4° | 20.3° | 23% | 68.4° (2020) | -5.4° (1996) |
| 8 | 42.1° | 21° | 27% | 58.8° (2014) | -11.7° (1996) |
| 9 | 44.1° | 21.6° | 20% | 67.6° (2004) | -14.6° (2003) |
| 10 | 44.8° | 23.2° | 27% | 67.1° (1989) | -1.5° (2022) |
| 11 | 46.2° | 23° | 13% | 70.9° (1995) | -10.5° (2009) |
| 12 | 46.4° | 23.2° | 18% | 71.2° (2007) | -1.3° (1975) |
| 13 | 47.7° | 24.1° | 23% | 70.2° (2003) | 3.6° (1962) |
| 14 | 47.5° | 26.1° | 38% | 73.2° (2015) | -3.1° (1997) |
| 15 | 48° | 24.6° | 13% | 74.8° (2015) | 5.7° (1997) |
| 16 | 48° | 26.1° | 17% | 71.4° (1994) | 10.4° (2002) |
| 17 | 46° | 27° | 38% | 71.2° (2012) | -5.6° (1965) |
| 18 | 46.9° | 25.7° | 32% | 76.8° (2017) | -11.4° (1965) |
| 19 | 47.1° | 26.8° | 32% | 66.7° (1997) | -10.8° (1965) |
| 20 | 48° | 25.2° | 12% | 71.2° (2007) | -4.7° (1965) |
| 21 | 48.2° | 25.5° | 32% | 72.1° (2009) | -6.9° (1982) |
| 22 | 47.5° | 25.3° | 28% | 68.7° (2012) | 2.3° (2002) |
| 23 | 48.4° | 25.5° | 22% | 72.5° (2012) | -2.7° (1974) |
| 24 | 47.5° | 26.4° | 33% | 70.7° (1993) | -4.5° (1965) |
| 25 | 47.8° | 25.2° | 25% | 72.1° (2007) | -8° (1965) |
| 26 | 49.8° | 27° | 30% | 74.1° (2012) | -3.8° (1965) |
| 27 | 49.3° | 27.1° | 38% | 77.7° (2025) | -1.7° (1970) |
| 28 | 47.8° | 27.1° | 42% | 76.1° (2015) | 5.5° (2023) |
| 29 | 47.7° | 27° | 30% | 71.2° (1978) | 1° (1987) |
| 30 | 48.9° | 27° | 43% | 73.6° (1978) | 5.7° (1987) |
| 31 | 49.6° | 26.8° | 28% | 77.9° (2004) | 3.6° (2009) |