Suffolk County, NY Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Suffolk County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 78.
County Weather Overview
This county weather page brings together forecast coverage for Suffolk County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 17 of 17 mapped cities in Suffolk County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 24 to Aug 25, 2026
- Latest sync
- Aug 19, 2026 6:30 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Suffolk County
Monday looks like the warmest upcoming period in Suffolk County at 78 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Monday at about 7 to 12 mph W.
The forecast from Aug 24 through Aug 25 stays mostly dry.
Forecast Details
- Last updated
- Aug 19, 2026 6:30 AM EDT
- Coverage
- 2 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 66.
Sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
78°F |
7 to 12 mph
W
|
|
Monday Night
Aug 24
|
Mostly Clear
|
66°F |
9 mph
W
|
|
Tuesday
Aug 25
|
Sunny
|
77°F |
7 to 10 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Suffolk County.
Coverage
Forecast coverage currently spans 17 of 17 mapped cities in Suffolk County.
Largest mapped city population in this region: 218,223.