Weather forecast for 10 daysStony Brook, NY
Weather forecast for the weekend
Sunday Oct 18, 2026
- 57°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphNE 37°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 6:07 pm EDT
- details ▼
Today, the weather remains calm, bright, and sunny.
The temperature will vary between a maximum of a refreshing 57.2°F and a minimum of a brisk 44.6°F.
Today's top temperature will be slightly cooler than October's standard maximum of 62.6°F.
Sunrise will be at 7:07 am and sunset at 6:07 pm; the daylight will last for 11h and 1min.
The temperature will vary between a maximum of a refreshing 57.2°F and a minimum of a brisk 44.6°F.
Today's top temperature will be slightly cooler than October's standard maximum of 62.6°F.
Sunrise will be at 7:07 am and sunset at 6:07 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Warmest day: Monday 26.10. 68°C.
Coldest day: today 57°C.
Coldest day: today 57°C.
Chance of precipitation
Highest chance: Thursday 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 57°F
- 45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphNE 37°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 6:07 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphNE 38°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:06 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 20mphNNE 26°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 6:04 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 59°F
- 46°F
Mostly Sunny
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 18mphNNE 31°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 6:03 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 46°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphN 9°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:11 am EDT
- Sunset: 6:02 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 59°F
- 41°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphNNE 23°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:13 am EDT
- Sunset: 6:00 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 43°F
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 12mphNE 38°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:14 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 45°F
Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 8mphN 2°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:15 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 50°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 10mphNW 323°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:16 am EDT
- Sunset: 5:56 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 66°F
- 48°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 11mphN 359°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:17 am EDT
- Sunset: 5:55 pm EDT
- details ▼
For the coming ten days, a combination of bright and cloudy weather is anticipated.
Rain is not forecasted in Stony Brook in the upcoming period.
In the upcoming days, the maximum temperature will range between 57.2°F and 68°F, while the minimum temperature is forecast to range between 41°F and 50°F.
Expect the warmest day on next Monday, with temperatures peaking at 68°F; today is the coldest day, with a maximum temperature of 57.2°F.
Rain is not forecasted in Stony Brook in the upcoming period.
In the upcoming days, the maximum temperature will range between 57.2°F and 68°F, while the minimum temperature is forecast to range between 41°F and 50°F.
Expect the warmest day on next Monday, with temperatures peaking at 68°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 18, 2026 @ 04:53:38 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 Stony Brook, sunny skies are in store, with excellent visibility.
Today, the highest temperature will be 57.2°F, while the lowest temperature will be 44.6°F.
The maximum temperature today will be a couple of degrees lower than the average highest temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 55.4°F.
The maximum temperature today will be a couple of degrees lower than the average highest temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 55.4°F.
On Sunday, in Stony Brook, sunrise will be at 7:07 am and sunset at 6:07 pm (EDT).
Today, the daylight will last for 11h and 1min.
