Ganntown Weather Forecast
- 70
- 87
Rain Showers Likely
- 63
- 86
Rain Showers
- 56
- 74
Chance Rain Showers
- 59
- 75
Chance Rain Showers
- 62
- 77
Chance Rain Showers
- 63
- 81
Chance Rain Showers
Today 18 May Johnson
Partly sunny. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the upper 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.
Tonight 18 May Johnson
Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows around 70. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.
Ganntown Temperature Statistics
May Temperature
Metropolis Municipal Airport (12.4 miles)
Lowest 2 May, 2026
41 °FAverage May
61.7 °FHighest 15 May, 2026
83.1 °F
Climate (2021–Present)
Metropolis Municipal Airport (12.4 miles)
Average Low 2021–2026
48.8 °FAverage 2021–2026
59.1 °FAverage High 2021–2026
69.5 °F