Grain Valley Weather Forecast
- 70
- 91
Sunny
- 72
- 91
Increasing Clouds
- 70
- 89
Chance Thunderstorms
- 70
- 88
Chance Thunderstorms
- 70
- 88
Slight Chance Thunderstorms
- 69
- 88
Chance Thunderstorms
- 68
- 88
Chance Rain Showers
Today 3 Jul Jackson
Sunny. Highs in the lower 90s. South Winds 5 to 10 Mph.
Tonight 3 Jul Jackson
Clear. Lows in the lower 70s. South Winds 5 to 10 Mph.
Grain Valley Temperature Statistics
July Temperature
Lee's Summit, Lee's Summit Municipal Airport (9.9 miles)
Lowest 1 July, 2025
66 °FAverage July
77.3 °FHighest 1 July, 2025
87.1 °F
Climate (2020–Present)
Lee's Summit, Lee's Summit Municipal Airport (9.9 miles)
Average Low 2020–2025
48 °FAverage 2020–2025
57.4 °FAverage High 2020–2025
67.1 °F