Saint James Lake Weather Forecast
- 64
- 85
Dense Fog
- 62
- 81
Partly Sunny
- 65
- 81
Chance Thunderstorms
- 57
- 79
Chance Thunderstorms
- 51
- 70
Mostly Sunny
- 47
- 67
Mostly Sunny
- 48
- 68
Mostly Sunny
Today 19 Aug Watonwan
Sunny. Highs in the mid 80s. North Winds around 5 Mph.
Tonight 19 Aug Watonwan
Mostly clear. Patchy fog after midnight. Lows in the mid 60s. Northwest Winds up to 5 Mph.
Saint James Lake Temperature Statistics
August Temperature
St. James Municipal Airport (4.3 miles)
Lowest 15 August, 2025
68 °FAverage August
75.5 °FHighest 16 August, 2025
86 °F
Climate (2020–Present)
St. James Municipal Airport (4.3 miles)
Average Low 2020–2025
36.5 °FAverage 2020–2025
46.6 °FAverage High 2020–2025
56.6 °F