Grant City Weather Forecast
- 68
- 88
Mostly Sunny
- 65
- 86
Mostly Sunny
- 62
- 83
Mostly Sunny
- 64
- 86
Chance Thunderstorms
- 56
- 80
Mostly Sunny
- 52
- 73
Mostly Sunny
- 51
- 72
Partly Sunny
Today 19 Aug Worth
Mostly sunny. Highs in the upper 80s. Northeast Winds around 5 Mph.
Tonight 19 Aug Worth
Mostly clear. Lows in the upper 60s. Northeast Winds around 5 Mph.
Grant City Temperature Statistics
August Temperature
Lamoni, Lamoni Municipal Airport (28.6 miles)
Lowest 2 August, 2025
56.6 °FAverage August
74.8 °FHighest 16 August, 2025
93.7 °F
Climate (2020–Present)
Lamoni, Lamoni Municipal Airport (28.6 miles)
Average Low 2020–2025
43.2 °FAverage 2020–2025
53 °FAverage High 2020–2025
63.1 °F