Provincetown Weather Forecast
- 58
- 63
Rain
- 58
- 60
Increasing Clouds
- 57
- 64
Slight Chance Rain Showers
- 57
- 64
Breezy
- 57
- 64
Chance Rain Showers
- 57
- 65
Chance Rain Showers
- 57
- 65
Chance Rain Showers
Today 20 Sep Barnstable
Partly sunny with a 40 percent chance of Showers. Highs in the mid 60s.
Tonight 20 Sep Barnstable
Rain. Patchy fog. Lows in the upper 50s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.
Provincetown Temperature Statistics
September Temperature
Provincetown Municipal Airport (1.9 miles)
Lowest 15 September, 2026
48.9 °FAverage September
67.1 °FHighest 10 September, 2026
82.9 °F
Climate (2021–2026)
Provincetown Municipal Airport (1.9 miles)
Average Low 2021–2026
46.2 °FAverage 2021–2026
52.4 °FAverage High 2021–2026
58.4 °F