St John Weather Forecast
- 61
- 80
Chance Thunderstorms
- 60
- 83
Chance Thunderstorms
- 56
- 74
Chance Rain Showers
- 50
- 75
Mostly Sunny
- 53
- 75
Mostly Sunny
- 57
- 77
Chance Rain Showers
- 57
- 79
Chance Rain Showers
Today 23 Aug Rolette
Mostly cloudy with a slight chance of Showers and Thunderstorms. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.
Tonight 23 Aug Rolette
Mostly cloudy with a chance of Showers and Thunderstorms. Warmer. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.
St John Temperature Statistics
August Temperature
ROLLA (5.6 miles)
Lowest 5 August, 2026
44.6 °FAverage August
63.3 °FHighest 2 August, 2026
89.6 °F
Climate (2021–2026)
ROLLA (5.6 miles)
Average Low 2021–2026
28.8 °FAverage 2021–2026
38.7 °FAverage High 2021–2026
48.3 °F