Petersburg Weather Forecast
- 63
- 89
Mostly Sunny
- 62
- 90
Slight Chance Thunderstorms
- 62
- 84
Rain Showers Likely
- 60
- 78
Rain Showers Likely
- 56
- 73
Chance Thunderstorms
- 56
- 72
Chance Rain Showers
- 58
- 76
Partly Sunny
Today 15 Sep Jackson
Sunny. Highs in the upper 80s. South Winds around 15 Mph.
Tonight 15 Sep Jackson
Clear. Lows in the lower 60s. South Winds 5 to 10 Mph.
Petersburg Temperature Statistics
September Temperature
Jackson, Jackson Municipal Airport (8.7 miles)
Lowest 4 September, 2025
39.2 °FAverage September
61.6 °FHighest 13 September, 2025
91.4 °F
Climate (2020–Present)
Jackson, Jackson Municipal Airport (8.7 miles)
Average Low 2020–2025
37.7 °FAverage 2020–2025
47.4 °FAverage High 2020–2025
57.2 °F