Islip, Wednesday, 7 October, 08:17
Clear. Feels like 49°. High 65°, low 40°.
In June, Islip, NY averages a high of 73.1° and a low of 62.9°. About 3.4 inches of precipitation fall over the month (10 wet days). The record high is 93° (2025) and the record low 45.7° (1967). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 70.9° | 58.8° | 33% | 82.4° (1989) | 45.7° (1967) |
| 2 | 69.3° | 58.6° | 35% | 79° (1989) | 51.1° (1966) |
| 3 | 68.9° | 58.6° | 43% | 78.6° (1999) | 51.6° (1988) |
| 4 | 69.1° | 58.5° | 38% | 80.2° (2010) | 50.2° (2023) |
| 5 | 69.4° | 59.2° | 32% | 83.3° (2010) | 51.8° (1997) |
| 6 | 70° | 59.5° | 32% | 82.2° (1968) | 52.7° (1997) |
| 7 | 70.5° | 60.1° | 32% | 85.8° (1999) | 49.3° (2000) |
| 8 | 72.1° | 61° | 28% | 86° (1999) | 51.6° (2017) |
| 9 | 72.5° | 61.3° | 33% | 87.3° (2008) | 49.8° (1980) |
| 10 | 72.7° | 61.5° | 27% | 85.1° (2008) | 52.9° (1972) |
| 11 | 72.1° | 61.7° | 25% | 85.8° (1973) | 46.9° (1972) |
| 12 | 72.3° | 61.9° | 35% | 83.3° (1973) | 51.4° (2018) |
| 13 | 71.4° | 61.9° | 50% | 85.6° (1988) | 51.6° (1982) |
| 14 | 71.6° | 62.1° | 38% | 87.3° (2005) | 53.6° (1978) |
| 15 | 73.4° | 62.2° | 22% | 86.2° (1988) | 54.5° (1978) |
| 16 | 72.9° | 63° | 33% | 83.1° (1991) | 55° (1965) |
| 17 | 72.9° | 63.3° | 37% | 84.7° (2022) | 53.8° (2003) |
| 18 | 72.9° | 63.5° | 35% | 82.4° (2014) | 56.5° (2003) |
| 19 | 74.3° | 64.4° | 33% | 88.3° (1994) | 56.3° (2022) |
| 20 | 74.5° | 64.6° | 23% | 85.8° (1995) | 57° (2022) |
| 21 | 74.5° | 64.9° | 33% | 89.6° (2012) | 55.8° (1968) |
| 22 | 74.8° | 65.1° | 35% | 87.4° (2025) | 57° (1992) |
| 23 | 75.6° | 65.3° | 30% | 85.3° (2010) | 54.7° (1992) |
| 24 | 75.9° | 65.7° | 23% | 91.2° (2025) | 58.3° (2021) |
| 25 | 76.3° | 66° | 23% | 93° (2025) | 57.4° (1979) |
| 26 | 76.1° | 66° | 28% | 85.8° (2003) | 55.4° (1979) |
| 27 | 75.9° | 66.6° | 37% | 87.4° (1963) | 58.1° (1985) |
| 28 | 76.6° | 66.6° | 35% | 89.2° (2010) | 55.6° (1995) |
| 29 | 76.6° | 67.1° | 30% | 88.7° (1991) | 56.3° (1995) |
| 30 | 77° | 67.6° | 27% | 88.7° (1964) | 59.7° (1988) |