Otter Lake Weather Forecast
- 56
- 79
Slight Chance Thunderstorms
- 55
- 76
Mostly Sunny
- 60
- 80
Rain Showers
- 51
- 76
Rain Showers Likely
- 49
- 74
Slight Chance Thunderstorms
- 55
- 75
Rain Showers Likely
- 49
- 75
Rain Showers Likely
Today 21 Apr Macoupin
Sunny. Not as cool with Highs in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.
Tonight 21 Apr Macoupin
Partly cloudy. Lows in the upper 50s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.
Otter Lake Temperature Statistics
April Temperature
Litchfield Municipal Airport (21.1 miles)
Lowest 7 April, 2026
35.2 °FAverage April
58.6 °FHighest 13 April, 2026
82.2 °F
Climate (2021–Present)
Litchfield Municipal Airport (21.1 miles)
Average Low 2021–2026
45.2 °FAverage 2021–2026
54.7 °FAverage High 2021–2026
64.4 °F