South Valley Stream, NY Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Partly Cloudy 40°F
Feels Like 35°F  
Humidity 50% Dew Point 23°F Wind WSW 7 MPH Gusts 20 Barometer 30.04 in.
Solar Rad 43 w/m2
Report from a MADIS/MESONET weather station 1.3 mi. ESE of central South Valley Stream
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Point Forecast at a Glance

ThuDec 4
Thu Dec 4: Partly Cloudy, Low 20F
 
20
FriDec 5
Fri Dec 5: Increasing Clouds, High 35F, Low 31F
35
31
SatDec 6
Sat Dec 6: Rain, High 43F, Low 31F
20%
43
31
SunDec 7
Sun Dec 7: Partly Sunny, High 41F, Low 27F
41
27
MonDec 8
Mon Dec 8: Sunny, High 36F, Low 21F
36
21
TueDec 9
Tue Dec 9: Partly Sunny, High 39F, Low 32F
39
32
WedDec 10
Wed Dec 10: Mostly Cloudy, High 44F, Low 36F
44
36

7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 35°F to 44°F. Unsettled weather expected with rain on most days, including one day with wintry mix.

Climate Context

This week's forecast shows temperatures running 5°F below the historical average for December. Normal highs for this period are around 45°F with lows around 31°F.

This Date in Weather History

1786 - The first of two great early December storms began. The storm produced 18 inches of snow at Morristown NJ, and twenty inches of snow at New Haven CT. It also resulted in high tides at Nantucket which did great damage.

More on this and other weather history

South Valley Stream, NY 7 Day Weather Forecast Details

Thursday Dec 4

Partly Cloudy

Night: Partly cloudy, with a low around 20. Northwest wind 6 to 14 mph, with gusts as high as 28 mph.

Friday Dec 5

Increasing Clouds

Day: Increasing clouds, with a high near 35. Wind chill values between 15 and 25. Northeast wind around 6 mph becoming southeast in the afternoon.

Rain And Snow

Night: A chance of snow before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 31. Light northwest wind. Chance of precipitation is 30%.

Saturday Dec 6

Rain

Day: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 43. West wind 3 to 8 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 31. West wind around 6 mph.

Sunday Dec 7

Partly Sunny

Day: Partly sunny, with a high near 41.

Mostly Cloudy

Night: Mostly cloudy, with a low around 27.

Monday Dec 8

Sunny

Day: Sunny, with a high near 36.

Mostly Clear

Night: Mostly clear, with a low around 21.

Tuesday Dec 9

Partly Sunny

Day: Partly sunny, with a high near 39.

Rain

Night: A 30 percent chance of rain. Mostly cloudy, with a low around 32.

Wednesday Dec 10

Mostly Cloudy

Day: Mostly cloudy, with a high near 44.

Rain

Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

Thursday Dec 11

Rain

Day: A 50 percent chance of rain. Mostly cloudy, with a high near 44.


About South Valley Stream, NY

South Valley Stream is an unincorporated hamlet and census-designated place (CDP) in the Town of Hempstead in Nassau County, on Long Island, in New York, United States. The population was 6,386 at the time of the 2020 census. South Valley Stream is located in the southern part of the Town of Hempstead, and consists of two unincorporated areas, North Woodmere and Mill Brook.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.