Peconic, NY Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Peconic, NY in one place.
Patchy fog. Mostly cloudy. High near 55, with temperatures falling to around 53 in the afternoon. East wind around 9 mph.
Local Weather Overview
This forecast page for Peconic, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 18, 2026 3:29 PM EDT.
The active forecast window currently covers Apr 18 to Apr 24, 2026 for Peconic, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 3:29 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Peconic
Thursday looks like the warmest upcoming period in Peconic at 59 degrees F.
Monday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 5 to 14 mph W.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 3:29 PM EDT
- Coverage
- 7 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
Patchy fog before 5am, then patchy fog and a slight chance of rain showers. Cloudy. Low around 45, with temperatures rising to around 47 overnight. Southeast wind 2 to 6 mph. Chance of precipitation is 20%.
Rain showers and patchy fog before 11am, then showers and thunderstorms. Cloudy. High near 58, with temperatures falling to around 49 in the afternoon. West wind 5 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers before 8pm. Partly cloudy. Low around 39, with temperatures rising to around 41 overnight. Northwest wind 6 to 12 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 2pm. Mostly sunny. High near 51, with temperatures falling to around 49 in the afternoon. Northwest wind around 8 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8pm. Mostly clear, with a low around 34.
Sunny, with a high near 49.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 40.
A slight chance of rain showers. Partly sunny, with a high near 57.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 42.
Sunny, with a high near 59.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 58.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 18
|
Patchy Fog
|
55°F |
9 mph
E
|
|
Tonight
Apr 18
|
Patchy Fog
|
45°F |
2 to 6 mph
SE
|
|
Sunday
Apr 19
|
Showers And Thunderstorms
|
58°F |
5 to 14 mph
W
|
|
Sunday Night
Apr 19
|
Rain Showers then Partly Cloudy
|
39°F |
6 to 12 mph
NW
|
|
Monday
Apr 20
|
Mostly Sunny then Slight Chance Rain Showers
|
51°F |
8 mph
NW
|
|
Monday Night
Apr 20
|
Slight Chance Rain Showers then Mostly Clear
|
34°F |
8 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
49°F |
8 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy then Slight Chance Rain Showers
|
40°F |
9 mph
SW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers
|
57°F |
9 mph
SW
|
|
Wednesday Night
Apr 22
|
Slight Chance Rain Showers then Partly Cloudy
|
42°F |
6 mph
NW
|
|
Thursday
Apr 23
|
Sunny
|
59°F |
7 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
45°F |
6 mph
NW
|
|
Friday
Apr 24
|
Mostly Sunny
|
58°F |
3 to 8 mph
W
|
|
Friday Night
Apr 24
|
Mostly Cloudy then Slight Chance Rain Showers
|
44°F |
7 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Peconic.