Mermet Lake Weather Forecast
- 40
- 68
Mostly Sunny
- 43
- 67
Mostly Sunny
- 57
- 73
Chance Rain Showers
- 58
- 78
Rain Showers Likely
- 62
- 71
Rain Showers Likely
- 46
- 78
Rain Showers Likely
- 38
- 59
Slight Chance Rain Showers
Today 25 Mar Massac
Sunny. Near steady temperature in the upper 60s. Northwest Winds around 10 Mph.
Tonight 25 Mar Massac
Mostly clear. Lows around 40. North Winds around 5 Mph this Evening, becoming light and variable.
Mermet Lake Temperature Statistics
March Temperature
Metropolis Municipal Airport (7.5 miles)
Lowest 2 March, 2025
22.1 °FAverage March
50.3 °FHighest 14 March, 2025
80.4 °F
Climate (2020–Present)
Metropolis Municipal Airport (7.5 miles)
Average Low 2020–2025
48.8 °FAverage 2020–2025
59 °FAverage High 2020–2025
69.4 °F