Clayton Weather Forecast
- 77
- 91
Slight Chance Thunderstorms
- 75
- 94
Chance Thunderstorms
- 74
- 93
Chance Thunderstorms
- 75
- 93
Chance Thunderstorms
- 72
- 91
Rain Showers Likely
- 71
- 88
Chance Thunderstorms
Today 17 Jul Johnston
Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent. Heat index Values up to 102.
Tonight 17 Jul Johnston
Partly cloudy. Lows in the upper 70s. Southwest Winds 5 to 10 Mph.
Clayton Temperature Statistics
July Temperature
Smithfield, Johnston County Airport (8.1 miles)
Lowest 5 July, 2025
66.2 °FAverage July
79.3 °FHighest 4 July, 2025
93.2 °F
Climate (2020–Present)
Smithfield, Johnston County Airport (8.1 miles)
Average Low 2020–2025
51.1 °FAverage 2020–2025
61.7 °FAverage High 2020–2025
73.4 °F