Lillington Weather Forecast
- 71
- 98
Severe Tstms
- 66
- 86
Chance Rain Showers
- 63
- 86
Mostly Sunny
- 64
- 87
Mostly Sunny
- 68
- 90
Mostly Sunny
- 71
- 95
Slight Chance Thunderstorms
- 67
- 91
Slight Chance Thunderstorms
Today 5 Sep Harnett
Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 90s. West Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 105.
Tonight 5 Sep Harnett
Mostly cloudy with Showers and Thunderstorms this Evening, then partly cloudy with a chance of Showers after midnight. Some Thunderstorms may produce damaging Winds and frequent lightning this evening. Lows in the lower 70s. Northeast Winds 5 to 10 Mph. Chance of rain 80 percent.
Lillington Temperature Statistics
September Temperature
Erwin, Harnett County Airport (4.3 miles)
Lowest 1 September, 2026
72.5 °FAverage September
84.1 °FHighest 2 September, 2026
96.8 °F
Climate (2021–2026)
Erwin, Harnett County Airport (4.3 miles)
Average Low 2021–2026
52 °FAverage 2021–2026
62.3 °FAverage High 2021–2026
73.6 °F