Grafton Weather Forecast
- 50
- 71
Rain Showers
- 40
- 60
Chance Rain Showers
- 46
- 70
Slight Chance Rain Showers
- 48
- 69
Partly Sunny
- 52
- 76
Slight Chance Thunderstorms
- 53
- 76
Chance Thunderstorms
- 56
- 78
Chance Thunderstorms
Today 8 May Worth
Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.
Tonight 8 May Worth
A chance of Thunderstorms. A chance of Showers Early, then Showers. Lows around 50. Northeast Winds around 10 Mph. Chance of rain 80 percent.
Grafton Temperature Statistics
May Temperature
Mason City Municipal Airport (17.4 miles)
Lowest 3 May, 2024
34.6 °FAverage May
54.1 °FHighest 6 May, 2024
73.9 °F
Climate (2019–Present)
Mason City Municipal Airport (17.4 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
36.7 °FAverage 2019–2024
47 °FAverage High 2019–2024
57.2 °F