Weather forecast for tomorrowRiverhead, NY
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 55°F
- 41°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNNE 31°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:05 am EDT
- Sunset: 6:05 pm EDT
- details ▼
Tomorrow, sunny conditions are also expected to continue.
Temperature span will be from a high of a moderate 55.4°F to a low of an icy 41°F.
Tomorrow, it will be colder with a forecast high that reflects November's climate of 52.5°F.
Sunrise will be at 7:05 am and sunset at 6:05 pm; tomorrow's daylight will last for 11h and 1min.
Temperature span will be from a high of a moderate 55.4°F to a low of an icy 41°F.
Tomorrow, it will be colder with a forecast high that reflects November's climate of 52.5°F.
Sunrise will be at 7:05 am and sunset at 6:05 pm; tomorrow's daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 55°C.
Coldest period: 3 am - 6 am 39°C.
Coldest period: 3 am - 6 am 39°C.
Chance of precipitation
Highest chance: 6 pm - 9 pm 1%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:37°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphN 8°
- Humidity: 50%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:34°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNNE 17°
- Humidity: 59%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:32°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNNE 18°
- Humidity: 62%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:32°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNE 22°
- Humidity: 63%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:05 am
- 8 am
- 41°F
- Feels like:34°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphNNE 25°
- Humidity: 66%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNNE 32°
- Humidity: 48%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNE 36°
- Humidity: 42%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 54°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphNNE 26°
- Humidity: 42%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNE 23°
- Humidity: 42%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 52°F
- Feels like:52°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphENE 59°
- Humidity: 55%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:05 pm
- 8 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 89°
- Humidity: 73%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphENE 72°
- Humidity: 81%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, bright and mostly sunny weather is expected.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 55.4°F. The feels-like temperature will vary between a minimum of 32°F and a maximum of 53.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum is expected to resemble November's average high of 52.5°F rather than October's. The lowest temperature is also more alike with November's average minimum of 45.5°F than the usual minimum of 55.6°F in October.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 55.4°F. The feels-like temperature will vary between a minimum of 32°F and a maximum of 53.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum is expected to resemble November's average high of 52.5°F rather than October's. The lowest temperature is also more alike with November's average minimum of 45.5°F than the usual minimum of 55.6°F in October.
Updated: Oct 18, 2026 @ 02:58:14 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 Riverhead, bright and sunny weather is expected.
Tomorrow, the highest temperature will be 55.4°F, while the lowest temperature will be 41°F.
The highest temperature will be slightly cooler than the average maximum of 62.2°F in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 55.6°F.
The highest temperature will be slightly cooler than the average maximum of 62.2°F in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 55.6°F.
On Sunday, in Riverhead, sunrise will be at 7:05 am and sunset at 6:05 pm (EDT).
Tomorrow, the daylight will last for 11h and 1min.
