Temperature
Pleasant by day, mild at night.
77°Ftypical Aug high
Greenport / North Fork is most comfortable in early autumn. Summers are warm and winters are cold. Rain is spread through the year. Humidity is usually low.

Pleasant by day, mild at night.
Rainfall is lower than usual here.
Very sunny skies.
The air feels slightly humid this month.
Partly cloudy across the month.
Want a side-by-side climate view? Compare Greenport / North Fork with Portofino.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology