Simpson Weather Forecast
- 71
- 94
Chance Thunderstorms
- 68
- 85
Chance Thunderstorms
- 70
- 89
Slight Chance Thunderstorms
- 70
- 91
Chance Thunderstorms
- 67
- 84
Rain Showers Likely
- 64
- 80
Chance Rain Showers
- 61
- 79
Chance Rain Showers
Today 18 Sep Pitt
Mostly sunny. Highs in the lower 90s. North Winds around 5 Mph.
Tonight 18 Sep Pitt
Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 50 percent.
Simpson Temperature Statistics
September Temperature
Pitt-Greenville Airport (6.8 miles)
Lowest 16 September, 2026
55.4 °FAverage September
78.9 °FHighest 2 September, 2026
96.8 °F
Climate (2021–2026)
Pitt-Greenville Airport (6.8 miles)
Average Low 2021–2026
52.3 °FAverage 2021–2026
62.6 °FAverage High 2021–2026
73.7 °F