South Valley Stream, NY Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for South Valley Stream, NY in one place.
Rain showers likely. Cloudy, with a high near 59. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for South Valley Stream, 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 16, 2026 3:06 PM EDT.
The active forecast window currently covers Apr 19 to Apr 22, 2026 for South Valley Stream, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 3:06 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Valley Stream
Wednesday looks like the warmest upcoming period in South Valley Stream at 63 degrees F.
Monday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Sunday at about 9 to 16 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 3:06 PM EDT
- Coverage
- 4 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
Rain showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 51.
Partly cloudy, with a low around 36.
Sunny, with a high near 55.
Partly cloudy, with a low around 46.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 63.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Rain Showers Likely
|
59°F |
9 to 16 mph
W
|
|
Sunday Night
Apr 19
|
Rain Showers Likely
|
38°F |
12 to 15 mph
NW
|
|
Monday
Apr 20
|
Slight Chance Rain Showers then Mostly Sunny
|
51°F |
15 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
36°F |
9 to 15 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
55°F |
9 to 14 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
46°F |
10 to 14 mph
SW
|
|
Wednesday
Apr 22
|
Partly Sunny then Slight Chance Rain Showers
|
63°F |
12 mph
SW
|
|
Wednesday Night
Apr 22
|
Slight Chance Rain Showers then Partly Cloudy
|
46°F |
8 to 12 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Valley Stream.