Grafton Weather Forecast
- 43
- 48
Rain
- 33
- 49
Chance Rain
- 42
- 49
Partly Sunny
- 40
- 62
Mostly Cloudy
- 30
- 53
Partly Sunny
- 36
- 46
Mostly Cloudy
Today 30 Jan Jersey
Rain likely with a slight chance of Thunderstorms. Patchy fog. Highs in the upper 40s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Tonight 30 Jan Jersey
Cloudy with a slight chance of Thunderstorms. Rain Likely, mainly in the evening. Patchy fog. Not as cool. Near steady temperature in the mid 40s. East Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.
Grafton Temperature Statistics
January Temperature
St. Charles, St. Charles County Smartt Airport (2.5 miles)
Lowest 21 January, 2025
-0.1 °FAverage January
23.9 °FHighest 17 January, 2025
48.7 °F
Climate (2020–Present)
St. Charles, St. Charles County Smartt Airport (2.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
47.4 °FAverage 2020–2025
57.5 °FAverage High 2020–2025
68.1 °F