Weather forecast for 10 daysSouth Valley Stream, NY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 59°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNNE 25°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 6:10 pm EDT
- details ▼
Today, on Sunday, October 18, conditions will remain bright with clear skies.
Predicted temperatures will peak at a mild 59°F and dip to a minimum of a frosty 44.6°F.
Today, the predicted high temperature will be moderately lower than the average October peak of 63°F.
Sunrise was at 7:09 am and sunset will be at 6:10 pm; the daylight will last for 11h and 1min.
Predicted temperatures will peak at a mild 59°F and dip to a minimum of a frosty 44.6°F.
Today, the predicted high temperature will be moderately lower than the average October peak of 63°F.
Sunrise was at 7:09 am and sunset will be at 6:10 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Warmest day: Tuesday 68°C.
Coldest day: Saturday 57°C.
Coldest day: Saturday 57°C.
Chance of precipitation
Highest chance: Thursday 20%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 59°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNNE 25°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 6:10 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 50°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphNNE 28°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 6:08 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 50°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphNNE 18°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:11 am EDT
- Sunset: 6:07 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 61°F
- 48°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 19mphNNE 28°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:12 am EDT
- Sunset: 6:06 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 48°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 16mphN 4°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:13 am EDT
- Sunset: 6:04 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 59°F
- 45°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphNNE 15°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:15 am EDT
- Sunset: 6:03 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 43°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphNNE 33°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:16 am EDT
- Sunset: 6:01 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 45°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphNW 326°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:17 am EDT
- Sunset: 6:00 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphNW 319°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:18 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 63°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphN 358°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:19 am EDT
- Sunset: 5:57 pm EDT
- details ▼
A combination of mostly clear and cloud-filled weather is forecasted.
Rainfall is not expected in South Valley Stream in the upcoming days.
In the upcoming days, the maximum temperature will vary between 57.2°F and 68°F, while the minimum temperature is forecast to range between 42.8°F and 50°F.
The warmest day will be Tuesday, with a maximum of 68°F; the coldest day will be Saturday, with a maximum of 57.2°F.
Rainfall is not expected in South Valley Stream in the upcoming days.
In the upcoming days, the maximum temperature will vary between 57.2°F and 68°F, while the minimum temperature is forecast to range between 42.8°F and 50°F.
The warmest day will be Tuesday, with a maximum of 68°F; the coldest day will be Saturday, with a maximum of 57.2°F.
Updated: Oct 18, 2026 @ 12:11:19 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, in South Valley Stream, uninterrupted sunshine is anticipated.
Today, the highest temperature in South Valley Stream will be 59°F, while the lowest temperature will be 44.6°F.
The maximum temperature will be relatively lower than the average highest temperature of 63°F in October. The lowest temperature today will be significantly lower than the average low of 54.1°F.
The maximum temperature will be relatively lower than the average highest temperature of 63°F in October. The lowest temperature today will be significantly lower than the average low of 54.1°F.
On Sunday, in South Valley Stream, sunrise was at 7:09 am and sunset will be at 6:10 pm (EDT).
In South Valley Stream, the length of the day today will be 11h and 1min.
