Commack, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Commack, NY in one place.
Mostly sunny. High near 70, with temperatures falling to around 67 in the afternoon. East wind around 12 mph.
Local Weather Overview
This forecast page for Commack, 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: Sep 18, 2026 8:01 PM EDT.
The active forecast window currently covers Sep 19 to Sep 25, 2026 for Commack, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 19 to Sep 25, 2026
- Latest sync
- Sep 18, 2026 8:01 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Commack
Sunday looks like the warmest upcoming period in Commack at 72 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Wednesday at about 21 to 24 mph NE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 18, 2026 8:01 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
Mostly cloudy, with a low around 60. Southeast wind 5 to 8 mph.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy. High near 72, with temperatures falling to around 70 in the afternoon. South wind 8 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Cloudy, with a low around 60. Southwest wind 7 to 12 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Rain showers likely. Mostly cloudy. High near 69, with temperatures falling to around 67 in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.
A chance of rain showers before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
A slight chance of rain showers after 8am. Mostly cloudy, with a high near 65.
A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Sep 19
|
Mostly Sunny
|
70°F |
12 mph
E
|
|
Saturday Night
Sep 19
|
Mostly Cloudy
|
60°F |
5 to 8 mph
SE
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
72°F |
8 to 15 mph
S
|
|
Sunday Night
Sep 20
|
Showers And Thunderstorms
|
60°F |
7 to 12 mph
SW
|
|
Monday
Sep 21
|
Rain Showers Likely
|
69°F |
15 mph
NE
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
57°F |
12 to 17 mph
NE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
65°F |
17 to 21 mph
NE
|
|
Tuesday Night
Sep 22
|
Chance Rain Showers then Mostly Cloudy
|
56°F |
21 mph
NE
|
|
Wednesday
Sep 23
|
Slight Chance Rain Showers
|
65°F |
21 to 24 mph
NE
|
|
Wednesday Night
Sep 23
|
Chance Rain Showers
|
56°F |
20 to 23 mph
NE
|
|
Thursday
Sep 24
|
Chance Rain Showers
|
65°F |
20 to 23 mph
NE
|
|
Thursday Night
Sep 24
|
Chance Rain Showers
|
56°F |
14 to 20 mph
NE
|
|
Friday
Sep 25
|
Chance Rain Showers
|
68°F |
17 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Commack.