Grantsville Weather Forecast
- 61
- 69
Chance Thunderstorms
- 71
- 85
Chance Rain Showers
- 62
- 78
Rain Showers
- 67
- 78
Chance Thunderstorms
- 65
- 80
Chance Rain Showers
- 60
- 76
Chance Rain Showers
Today 13 Sep Linn
Mostly cloudy this Morning, then partly sunny with a slight chance of Showers and Thunderstorms this afternoon. Not as warm with Highs in the lower 70s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 13 Sep Linn
Mostly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 60s. East Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.
Grantsville Temperature Statistics
September Temperature
Chillicothe, Chillicothe Agri-Science Center (26.1 miles)
Lowest 11 September, 2026
63 °FAverage September
81.8 °FHighest 5 September, 2026
100.7 °F
Climate (2021–2026)
Chillicothe, Chillicothe Agri-Science Center (26.1 miles)
Average Low 2021–2026
45.6 °FAverage 2021–2026
56.3 °FAverage High 2021–2026
67.2 °F