Weather forecast for 10 daysRiverhead, NY
Weather forecast for the weekend
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 ▼
Today, sunny skies and pleasant visibility are expected.
The temperature scale will run from a maximum of a refreshing 55.4°F to a minimum of a wintry 41°F.
The temperature will be lower and more consistent with November's average high of 52.5°F than with October's usual.
Sunrise will be at 7:05 am and sunset at 6:05 pm; the daylight will last for 11h and 1min.
The temperature scale will run from a maximum of a refreshing 55.4°F to a minimum of a wintry 41°F.
The temperature will be lower and more consistent with November's average high of 52.5°F than with October's usual.
Sunrise will be at 7:05 am and sunset at 6:05 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Warmest day: Tuesday 66°C.
Coldest day: today 55°C.
Coldest day: today 55°C.
Chance of precipitation
Highest chance: Thursday 24%.
Long-term weather forecast
- 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 ▼
- Monday
- Oct 19, 2026
- 61°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 17mphNE 40°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:06 am EDT
- Sunset: 6:04 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 46°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 19mphNNE 25°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 6:03 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 59°F
- 45°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 19mphNE 34°
- Humidity: 69%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:01 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 46°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 15mphN 10°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 6:00 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 59°F
- 43°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 14mphNNE 21°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:11 am EDT
- Sunset: 5:58 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 43°F
Mostly Sunny
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 11mphNE 37°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:12 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 46°F
Mostly Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 8mphN 3°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:13 am EDT
- Sunset: 5:55 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 48°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 9mphNW 324°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:14 am EDT
- Sunset: 5:54 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 46°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 11mphN 358°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:15 am EDT
- Sunset: 5:53 pm EDT
- details ▼
Throughout the next ten days, a combination of overcast and sunny weather is predicted.
With a 24% probability, rainfall is anticipated only on Thursday. The precipitation will be minimal at 0.08".
In the upcoming period, the maximum temperature will vary between 55.4°F and 66.2°F, while nighttime temperatures are expected to vary from 41°F to 50°F.
With the highest temperature of 66.2°F, Tuesday will be the warmest day; today is the coldest day, with a maximum temperature of 55.4°F.
With a 24% probability, rainfall is anticipated only on Thursday. The precipitation will be minimal at 0.08".
In the upcoming period, the maximum temperature will vary between 55.4°F and 66.2°F, while nighttime temperatures are expected to vary from 41°F to 50°F.
With the highest temperature of 66.2°F, Tuesday will be the warmest day; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: Oct 18, 2026 @ 04:20:02 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, clear skies and sunshine are anticipated.
Today, the maximum temperature in Riverhead will be 55.4°F, while the minimum temperature will be 41°F.
The maximum temperature today will be a few degrees lower than the average highest temperature in October. The lowest temperature will be uncommonly lower than the average low of 55.6°F.
The maximum temperature today will be a few degrees lower than the average highest temperature in October. The lowest temperature 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).
Today, the daylight will last for 11h and 1min.
