Niihau Weather Forecast
- 65
- 76
Rain Showers
- 66
- 76
Rain Showers
- 66
- 76
Rain Showers
- 68
- 78
Rain Showers
- 67
- 78
Rain Showers
- 68
- 77
Mostly Sunny
Today 21 Jan Niihau
Cloudy. Isolated Showers late in the Morning, then scattered Showers in the afternoon. Highs 72 to 77. Northeast Winds 10 to 15 Mph. Chance of rain 20 percent.
Tonight 21 Jan Niihau
Mostly cloudy with isolated Showers. Lows 63 to 68. Northeast Winds 10 to 15 Mph. Chance of rain 20 percent.
Niihau Temperature Statistics
January Temperature
Kekaha, Pacific Missile Test Facility Barking Sands (25.5 miles)
Lowest 17 January, 2026
57.9 °FAverage January
72.6 °FHighest 5 January, 2026
80.1 °F
Climate (2021–Present)
Kekaha, Pacific Missile Test Facility Barking Sands (25.5 miles)
Average Low 2021–2026
69.8 °FAverage 2021–2026
76.6 °FAverage High 2021–2026
83 °F