Smithtown, NY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Smithtown, NY in one place.
Sunny. High near 61, with temperatures falling to around 59 in the afternoon. Northwest wind 8 to 13 mph.
Local Weather Overview
This forecast page for Smithtown, 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 10, 2026 9:02 AM EDT.
The active forecast window currently covers Apr 11 to Apr 16, 2026 for Smithtown, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 9:02 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Smithtown
Tuesday looks like the warmest upcoming period in Smithtown at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Saturday at about 8 to 13 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 9:02 AM EDT
- Coverage
- 6 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 40. North wind 2 to 9 mph.
Mostly sunny. High near 55, with temperatures falling to around 53 in the afternoon. East wind 2 to 8 mph.
Mostly cloudy. Low around 45, with temperatures rising to around 48 overnight.
Mostly cloudy, with a high near 67.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 72.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 54.
A slight chance of rain showers. Partly sunny, with a high near 72.
A slight chance of rain showers. Partly sunny, with a high near 72.
A chance of rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
A slight chance of rain showers before 8am. Partly sunny, with a high near 72.
A slight chance of rain showers before 8am. Partly sunny, with a high near 72.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 52.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
61°F |
8 to 13 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
40°F |
2 to 9 mph
N
|
|
Sunday
Apr 12
|
Mostly Sunny
|
55°F |
2 to 8 mph
E
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
45°F |
6 to 9 mph
S
|
|
Monday
Apr 13
|
Mostly Cloudy
|
67°F |
9 to 13 mph
SW
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
54°F |
6 to 12 mph
SW
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
72°F |
5 to 8 mph
SW
|
|
Tuesday Night
Apr 14
|
Slight Chance Rain Showers
|
54°F |
7 mph
S
|
|
Wednesday
Apr 15
|
Slight Chance Rain Showers
|
72°F |
5 to 10 mph
S
|
|
Wednesday
Apr 15
|
Slight Chance Rain Showers
|
72°F |
5 to 10 mph
S
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
55°F |
6 to 9 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
55°F |
6 to 9 mph
SW
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers then Partly Sunny
|
72°F |
6 to 9 mph
W
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers then Partly Sunny
|
72°F |
6 to 9 mph
W
|
|
Thursday Night
Apr 16
|
Mostly Cloudy then Slight Chance Rain Showers
|
52°F |
3 to 7 mph
W
|
|
Thursday Night
Apr 16
|
Mostly Cloudy then Slight Chance Rain Showers
|
52°F |
3 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Smithtown.
