Johnson Lake Weather Forecast
- 58
- 86
Mostly Sunny
- 60
- 87
Partly Sunny
- 58
- 83
Chance Rain Showers
- 60
- 81
Rain Showers Likely
- 59
- 77
Rain Showers Likely
- 58
- 76
Chance Rain Showers
- 56
- 76
Slight Chance Rain Showers
Today 18 Sep Van Buren
Sunny. Highs in the mid 80s. Light Winds.
Tonight 18 Sep Van Buren
Mostly clear. Patchy fog after midnight. Lows in the upper 50s. Light Winds.
Johnson Lake Temperature Statistics
September Temperature
Southwest Michigan Regional Airport (16.8 miles)
Lowest 8 September, 2025
39.9 °FAverage September
62.1 °FHighest 14 September, 2025
84 °F
Climate (2020–Present)
Southwest Michigan Regional Airport (16.8 miles)
Average Low 2020–2025
43.4 °FAverage 2020–2025
52.1 °FAverage High 2020–2025
60.6 °F