Key Lake Weather Forecast
- 33
- 48
Increasing Clouds
- 46
- 56
Mostly Cloudy
- 56
- 61
Slight Chance Thunderstorms
- 34
- 68
Mostly Sunny
- 44
- 58
Partly Sunny
- 55
- 73
Partly Sunny
- 54
- 71
Partly Sunny
Today 15 Dec Red River
Mostly sunny. Highs in the mid 40s. Southeast Winds around 5 Mph.
Tonight 15 Dec Red River
Partly cloudy in the Evening, then becoming mostly cloudy. Not as cold with Lows in the lower 30s. South Winds around 5 Mph.
Key Lake Temperature Statistics
December Temperature
Mount Pleasant, Mount Pleasant Regional Airport (25.5 miles)
Lowest 11 December, 2025
29.3 °FAverage December
43.6 °FHighest 12 December, 2025
67.3 °F
Climate (2020–Present)
Mount Pleasant, Mount Pleasant Regional Airport (25.5 miles)
Average Low 2020–2025
54.2 °FAverage 2020–2025
64.8 °FAverage High 2020–2025
76 °F