Nantucket Memorial Airport (ACK) 15 Day Weather Forecast, Nantucket United States
Current weather conditions and 15 day weather forecast for Nantucket Memorial Airport in Nantucket, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at ACK
| 31 July 2026 Fri 19 ° C ( 66.2°F )  Partly Cloudy |
Feels Like : 15.8 ° C / 60.4°F Humidity : % 90 Pressure : 1011 mb Wind Speed : 29.5 kmph / 18.3 miles from N 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 26 |
15-day weather forecast for Nantucket Memorial Airport, Nantucket, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 31 July 2026 Fri | Partly Cloudy |
18.9 ° C | 23.4 ° C | 20.9 ° C | % 82 | 29.5 km/h | 13% |
| 01 August 2026 Sat |  Sunny |
21.5 ° C | 22.5 ° C | 22 ° C | % 87 | 25.6 km/h | 13% |
| 02 August 2026 Sun | Sunny |
21.9 ° C | 22.9 ° C | 22.3 ° C | % 89 | 24.1 km/h | 15% |
| 03 August 2026 Mon | Partly Cloudy |
22.1 ° C | 23.3 ° C | 22.7 ° C | % 94 | 45.4 km/h | 76% |
| 04 August 2026 Tue | Partly Cloudy |
21.9 ° C | 23 ° C | 22.3 ° C | % 93 | 46.1 km/h | 57% |
| 05 August 2026 Wed |  Patchy rain nearby |
22.2 ° C | 22.9 ° C | 22.5 ° C | % 91 | 23.8 km/h | 28% |
| 06 August 2026 Thu | Partly Cloudy |
22.5 ° C | 23.4 ° C | 22.9 ° C | % 90 | 26.3 km/h | 19% |
| 07 August 2026 Fri | Partly Cloudy |
22.6 ° C | 23.1 ° C | 22.8 ° C | % 91 | 37.1 km/h | 64% |
| 08 August 2026 Sat | Partly Cloudy |
22.5 ° C | 23 ° C | 22.7 ° C | % 92 | 40.3 km/h | 78% |
| 09 August 2026 Sun | Sunny |
21.8 ° C | 23.5 ° C | 22.7 ° C | % 86 | 30.2 km/h | 50% |
| 10 August 2026 Mon | Sunny |
22.1 ° C | 22.9 ° C | 22.6 ° C | % 89 | 33.5 km/h | 51% |
| 11 August 2026 Tue | Sunny |
18.9 ° C | 22.5 ° C | 20.1 ° C | % 68 | 34.9 km/h | 36% |
| 12 August 2026 Wed | Sunny |
17.7 ° C | 20.2 ° C | 18.8 ° C | % 61 | 23.8 km/h | 4% |
| 13 August 2026 Thu | Sunny |
18.8 ° C | 20.3 ° C | 19.7 ° C | % 57 | 17.6 km/h | 4% |
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