Weather forecast for tomorrow
Locust Valley, NY

Weather forecast for tomorrow

Thursday, Jun 19.

PM Thunderstorms
5:20 am

8:30 pm
EDT
PM Thunderstorms
90°F / 68°F
  • Wind: 14mph SW
  • Humidity: 70%
  • Precip. probability: 58%
  • Precipitation: 0.39"
  • UV index: 9
Tomorrow, rainy weather and thunderstorms are expected in the afternoon.
The chance of rain is high. However, precipitation will be light. Temperature span will be from a high of a tropical 89.6°F to a low of a delightful 68°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at an extremely hot 104°F. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The projected high resembles July more than June, matching 81.5°F rather than 74.5°F.
Sunrise will be at 5:20 am and sunset at 8:30 pm; tomorrow's daylight will last for 15h and 10min.

Frequently asked questions

What is the weather forecast for Locust Valley for tomorrow?
Tomorrow, thunderstorms are forecasted to develop with occasional lightning.
Will it rain tomorrow?
Light precipitation of 0.39" is predicted. The likelihood of rainfall is 58%.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 89.6°F, while the minimum temperature will be 68°F. The maximum heat index, which integrates air moisture with ambient temperature, is appraised at 104°F.
The maximum temperature will be noticeably higher than the average highest temperature of 74.5°F in June. The lowest temperature will be a few degrees higher than the average low of 63.1°F.
When are sunrise and sunset tomorrow?
On Thursday, in Locust Valley, sunrise will be at 5:20 am and sunset at 8:30 pm (EDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 15h and 10min.

Hourly weather forecast

12 am
  • 72°F
  • Feels like:
    73°F
Cloudy
Cloudy
  • Wind: 3mph SW
  • Pressure: 29.85"Hg
  • Humidity: 94%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 1mi
2 am
  • 72°F
  • Feels like:
    73°F
Foggy
Foggy
  • Wind: 3mph SW
  • Pressure: 29.83"Hg
  • Humidity: 92%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 0mi
4 am
  • 72°F
  • Feels like:
    73°F
Foggy
Foggy
  • Wind: 4mph SW
  • Pressure: 29.83"Hg
  • Humidity: 93%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 0mi
Sunrise: 5:20 am
6 am
  • 72°F
  • Feels like:
    73°F
Foggy
Foggy
  • Wind: 5mph SW
  • Pressure: 29.83"Hg
  • Humidity: 95%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 0mi
8 am
  • 75°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SW
  • Pressure: 29.83"Hg
  • Humidity: 87%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 1mi
10 am
  • 81°F
  • Feels like:
    86°F
Mostly Sunny
Mostly Sunny
  • Wind: 8mph SW
  • Pressure: 29.83"Hg
  • Humidity: 74%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 7mi
12 pm
  • 86°F
  • Feels like:
    93°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SSW
  • Pressure: 29.8"Hg
  • Humidity: 63%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 88°F
  • Feels like:
    95°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph SSW
  • Pressure: 29.74"Hg
  • Humidity: 59%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 88°F
  • Feels like:
    93°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 14mph SSW
  • Pressure: 29.68"Hg
  • Humidity: 59%
  • Precip. probability: 36%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 82°F
  • Feels like:
    88°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph SW
  • Pressure: 29.71"Hg
  • Humidity: 68%
  • Precip. probability: 50%
  • Precipitation: 0.04"
  • Visibility: 7mi
8 pm
  • 79°F
  • Feels like:
    82°F
Cloudy
Cloudy
  • Wind: 10mph SW
  • Pressure: 29.71"Hg
  • Humidity: 75%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 7mi
Sunset: 8:30 pm
10 pm
  • 75°F
  • Feels like:
    79°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 10mph WSW
  • Pressure: 29.71"Hg
  • Humidity: 76%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Thursday, the weather will be unstable. Rain is predicted from 4 pm to 7 pm. With moderate precipitation of 0.28", most rainfall is expected at 5 pm.
The temperature will be between the lowest temperature of 71.6°F and the highest temperature of 87.8°F. The feels-like temperature will vary between a minimum of 73.4°F and a maximum of 95°F. The hottest part of the day will be at 1 pm, 2 pm and 4 pm.
The temperature will be more close to what’s typical for July than the usual maximum in June. Forecasts indicate a night temperature relatively higher than the usual June minimum of 63.1°F.
Updated: Jun 18, 2025 @ 12:29:29 UTC
Published by: Weather U.S. | About Us
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