Live Weather & Forecast
Weather in South Valley Stream
New York, United States · Real-time conditions & 3-day outlook
24°C
Feels like 25°C
75°F / Feels 78°F
Light rain
South Valley Stream, New York
🌞 Daytime
Updated: 2026-04-13 15:45
Humidity
52%
Wind
27.4 km/h WSW
Wind Gust
57.5 km/h
Pressure
1014 mb
Visibility
16 km
UV Index
4.3
(Moderate)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
16°C
Wind Degree
237°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
224.9 μg/m³
NO₂
28.6 μg/m³
O₃
93 μg/m³
SO₂
5.4 μg/m³
PM 2.5
11 μg/m³
PM 10
12.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for South Valley Stream, New York
12 AM
7°
Clear
1 AM
8°
Clear
2 AM
8°
Partly Cloudy
3 AM
8°
Clear
4 AM
9°
Overcast
5 AM
9°
Cloudy
6 AM
10°
Partly Cloudy
7 AM
10°
Mist
8 AM
11°
Overcast
9 AM
13°
Patchy rain nearby
10 AM
14°
Cloudy
11 AM
16°
Partly Cloudy
12 PM
20°
Patchy rain nearby
1 PM
22°
Sunny
2 PM
23°
Sunny
3 PM
24°
Light rain
4 PM
25°
Sunny
5 PM
26°
Sunny
6 PM
26°
Patchy rain nearby
7 PM
22°
Patchy rain nearby
8 PM
20°
Patchy rain nearby
9 PM
19°
Clear
10 PM
17°
Clear
11 PM
16°
Clear
3-Day Forecast
Daily overview for South Valley Stream, New York
Today
Patchy rain nearby
26°
/
7°
🌧️ 84% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 0.4 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
19°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
22°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 22.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit South Valley Stream
Plan your trip to South Valley Stream, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in South Valley Stream?
Current conditions in South Valley Stream: Light rain, temperature 24°C, humidity 52%.
What is the best time to visit South Valley Stream?
The best time to visit South Valley Stream is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in South Valley Stream?
South Valley Stream is located at approximately 40.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in South Valley Stream?
The wettest period in South Valley Stream is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to South Valley Stream?
For visits to South Valley Stream during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is South Valley Stream in?
South Valley Stream is located in United States, in the state of New York.
What are the public holidays in South Valley Stream in 2026?
View the 2026 public holidays for South Valley Stream on our Holidays page.
What are the GPS coordinates used for the weather forecast in South Valley Stream?
The weather forecast for South Valley Stream uses coordinates 40.6559, -73.7176.