Weather forecast for 10 daysLake Ronkonkoma, NY
Weather forecast for the weekend
Saturday Oct 17, 2026
- 52°F
- 39°F
Cloudy / Wind
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 21mphN 350°
- Humidity: 50%
- UV index: 2
- Sunrise: 7:06 am EDT
- Sunset: 6:09 pm EDT
- details ▼
Today, in Lake Ronkonkoma, cloudy conditions with persistent winds will dominate the forecast.
The predicted temperature range extends from a high of a fresh 51.8°F to a low of a wintry 39.2°F.
The expected high is lower and consistent with November's normal of 52.3°F rather than October's.
Sunrise was at 7:06 am and sunset will be at 6:09 pm; the daylight will last for 11h and 3min.
The predicted temperature range extends from a high of a fresh 51.8°F to a low of a wintry 39.2°F.
The expected high is lower and consistent with November's normal of 52.3°F rather than October's.
Sunrise was at 7:06 am and sunset will be at 6:09 pm; the daylight will last for 11h and 3min.
Sunday Oct 18, 2026
- 57°F
- 43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNE 34°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 6:07 pm EDT
- details ▼
Tomorrow, on Sunday, October 18, conditions remain stable and sunny, with little cloud presence.
Temperature fluctuations between a moderate 57.2°F and a frosty 42.8°F are forecasted.
Tomorrow's high is expected to be relatively lower than the average high in October of 62.4°F.
Sunrise will be at 7:07 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 1min.
Temperature fluctuations between a moderate 57.2°F and a frosty 42.8°F are forecasted.
Tomorrow's high is expected to be relatively lower than the average high in October of 62.4°F.
Sunrise will be at 7:07 am and sunset at 6:07 pm; tomorrow's daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Warmest day: Tuesday 66°C.
Coldest day: today 52°C.
Coldest day: today 52°C.
Chance of precipitation
Highest chance: Saturday 24.10. 37%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 52°F
- 39°F
Cloudy / Wind
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 21mphN 350°
- Humidity: 50%
- UV index: 2
- Sunrise: 7:06 am EDT
- Sunset: 6:09 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 57°F
- 43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphNE 34°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 6:07 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 50°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 17mphNE 35°
- Humidity: 59%
- 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: 17mphNNE 25°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:09 am EDT
- Sunset: 6:04 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 61°F
- 46°F
Mostly Sunny
- Precip. probability: 14%
- Precipitation: 0.08"
- Wind: 19mphNE 36°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 6:03 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 50°F
AM Showers
- Precip. probability: 34%
- Precipitation: 0.04"
- Wind: 16mphNNE 21°
- Humidity: 72%
- UV index: 4
- Sunrise: 7:11 am EDT
- Sunset: 6:02 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 48°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphNNE 23°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:12 am EDT
- Sunset: 6:00 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 48°F
AM Showers
- Precip. probability: 37%
- Precipitation: 0.04"
- Wind: 17mphNNE 32°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:13 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 14mphNE 38°
- Humidity: 76%
- UV index: 3
- Sunrise: 7:15 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 52°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 12mphN 10°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:16 am EDT
- Sunset: 5:56 pm EDT
- details ▼
Looking ahead, conditions suggest a period of gloomy, sunny and rain-soaked weather is anticipated.
Rain is predicted for Wednesday, Thursday, next Saturday and Sunday.
Temperature variation will be noticeable throughout the forecast window. The temperature is expected to swing from 51.8°F up to 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 39.2°F and 51.8°F.
Tuesday is expected to be the warmest, reaching up to 66.2°F; today is the coldest day, with a maximum temperature of 51.8°F.
Rain is predicted for Wednesday, Thursday, next Saturday and Sunday.
Temperature variation will be noticeable throughout the forecast window. The temperature is expected to swing from 51.8°F up to 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 39.2°F and 51.8°F.
Tuesday is expected to be the warmest, reaching up to 66.2°F; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 17, 2026 @ 14:00:10 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
Today, cloud cover will dominate while winds remain strong.
Today, the highest temperature will be 51.8°F, while the lowest temperature will be 39.2°F.
Today, the highest temperature will be notably lower than the average maximum of 62.4°F in October. Today, the lowest temperature will be also noticeably lower than the average low of 55.8°F.
Today, the highest temperature will be notably lower than the average maximum of 62.4°F in October. Today, the lowest temperature will be also noticeably lower than the average low of 55.8°F.
On Saturday, in Lake Ronkonkoma, sunrise was at 7:06 am and sunset will be at 6:09 pm (EDT).
Today, the daylight will last for 11h and 3min.
Tomorrow, in Lake Ronkonkoma, sunshine is expected with little to no cloud cover.
Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 42.8°F.
The maximum temperature tomorrow will be slightly cooler than the average highest temperature in October. The lowest temperature will be uncommonly lower than the average low of 55.8°F.
The maximum temperature tomorrow will be slightly cooler than the average highest temperature in October. The lowest temperature will be uncommonly lower than the average low of 55.8°F.
On Sunday, in Lake Ronkonkoma, sunrise will be at 7:07 am and sunset at 6:07 pm (EDT).
In Lake Ronkonkoma, the length of the day tomorrow will be 11h and 1min.





