Ganntown Weather Forecast
- 50
- 75
Becoming Sunny
- 59
- 79
Mostly Sunny
- 50
- 78
Sunny
- 52
- 75
Mostly Sunny
- 65
- 81
Slight Chance Thunderstorms
- 67
- 86
Slight Chance Thunderstorms
Today 11 May Johnson
Sunny. Highs in the mid 70s. North Winds around 5 Mph.
Tonight 11 May Johnson
Clear. Lows in the lower 50s. North Winds around 5 Mph in the Evening, becoming light and variable.
Ganntown Temperature Statistics
May Temperature
Metropolis Municipal Airport (12.4 miles)
Lowest 2 May, 2026
41 °FAverage May
59.4 °FHighest 4 May, 2026
81.3 °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