Glen St. Mary, Sunday, 9 August, 18:40
Heavy rain. Feels like 79°. High 91°, low 75°.
In August, Glen St. Mary, FL averages a high of 88.7° and a low of 73.5°. About 6.0 inches of precipitation fall over the month (21 wet days). The record high is 102° (1999) and the record low 65.1° (1960). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 89.1° | 73.9° | 77% | 102° (1999) | 67.5° (1966) |
| 2 | 88.7° | 73.9° | 77% | 98.8° (1999) | 69.6° (1966) |
| 3 | 88.9° | 73.6° | 73% | 97° (2011) | 69.6° (2001) |
| 4 | 89.2° | 73.6° | 85% | 97.9° (2011) | 69.1° (2001) |
| 5 | 89.4° | 73.6° | 65% | 97.3° (2011) | 68.7° (1998) |
| 6 | 89.8° | 73.6° | 67% | 96.3° (1989) | 68.2° (1969) |
| 7 | 89.6° | 73.9° | 60% | 96.4° (2007) | 70.2° (1974) |
| 8 | 89.4° | 73.8° | 73% | 97.5° (2007) | 68.2° (2002) |
| 9 | 89.1° | 73.8° | 72% | 97.9° (2007) | 67.1° (2002) |
| 10 | 89.6° | 73.8° | 72% | 97.5° (2006) | 69.6° (2002) |
| 11 | 89.2° | 73.8° | 68% | 97.3° (2011) | 68.7° (2002) |
| 12 | 88.5° | 73.9° | 77% | 97.7° (2023) | 68.4° (1993) |
| 13 | 88.3° | 73.6° | 73% | 98.2° (2023) | 66.4° (1962) |
| 14 | 87.8° | 73.6° | 75% | 99.7° (2023) | 68.5° (1962) |
| 15 | 88.3° | 73.2° | 65% | 96.6° (1995) | 67.3° (2022) |
| 16 | 88.7° | 73.2° | 58% | 96.1° (1968) | 69.4° (1967) |
| 17 | 89.4° | 73.4° | 62% | 97° (1968) | 67.5° (2024) |
| 18 | 89.6° | 73.6° | 65% | 96.6° (2000) | 70.3° (1996) |
| 19 | 89.4° | 73.9° | 85% | 95.9° (1972) | 65.1° (1960) |
| 20 | 89.1° | 73.6° | 67% | 97.7° (1972) | 68.5° (1960) |
| 21 | 88.7° | 73.6° | 72% | 98.1° (1968) | 66.4° (1976) |
| 22 | 88.7° | 73.4° | 62% | 98.4° (2007) | 69.1° (1976) |
| 23 | 88° | 73° | 67% | 97.5° (1968) | 68.5° (1987) |
| 24 | 87.8° | 73.2° | 65% | 98.2° (1968) | 66.7° (2009) |
| 25 | 87.8° | 73.2° | 65% | 97.9° (1968) | 69.6° (1981) |
| 26 | 88.5° | 73° | 58% | 97.5° (1968) | 67.1° (1997) |
| 27 | 88° | 72.9° | 70% | 97.5° (2011) | 67.3° (1969) |
| 28 | 88.2° | 73° | 60% | 97.7° (2011) | 66° (1984) |
| 29 | 87.8° | 73.2° | 62% | 96.1° (2011) | 66.7° (1984) |
| 30 | 87.3° | 73° | 68% | 95.5° (1999) | 69.6° (1992) |
| 31 | 87.4° | 72.9° | 73% | 95.2° (2001) | 69.1° (2025) |