Weather forecast for 10 daysMyrtle Island, FL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 66°F
Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 16mphNNE 30°
- Humidity: 69%
- UV index: 5
- Sunrise: 7:29 am EDT
- Sunset: 6:52 pm EDT
- details ▼
Today, overcast skies are expected.
The highest daytime temperature will reach a moderately hot 73.4°F, creating a slight contrast with the anticipated nighttime low of a breezy 66.2°F.
Today, the colder forecast high of 73.4°F matches November's pattern over October's.
Sunrise will be at 7:29 am and sunset at 6:52 pm; the daylight will last for 11h and 23min.
The highest daytime temperature will reach a moderately hot 73.4°F, creating a slight contrast with the anticipated nighttime low of a breezy 66.2°F.
Today, the colder forecast high of 73.4°F matches November's pattern over October's.
Sunrise will be at 7:29 am and sunset at 6:52 pm; the daylight will last for 11h and 23min.
10-day overview
Daily temperatures
Warmest day: Wednesday 81°C.
Coldest period: today - tomorrow 73°C.
Coldest period: today - tomorrow 73°C.
Chance of precipitation
Highest chance: Saturday 46%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 73°F
- 66°F
Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 16mphNNE 30°
- Humidity: 69%
- UV index: 5
- Sunrise: 7:29 am EDT
- Sunset: 6:52 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 73°F
- 55°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 13mphNNE 17°
- Humidity: 70%
- UV index: 7
- Sunrise: 7:30 am EDT
- Sunset: 6:51 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 77°F
- 55°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphN 1°
- Humidity: 63%
- UV index: 7
- Sunrise: 7:30 am EDT
- Sunset: 6:50 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 81°F
- 54°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphN 6°
- Humidity: 63%
- UV index: 7
- Sunrise: 7:31 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 79°F
- 55°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphN 359°
- Humidity: 59%
- UV index: 7
- Sunrise: 7:32 am EDT
- Sunset: 6:48 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 79°F
- 64°F
Sunny
- Precip. probability: 5%
- Precipitation: 0.04"
- Wind: 11mphNNE 13°
- Humidity: 61%
- UV index: 7
- Sunrise: 7:32 am EDT
- Sunset: 6:47 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 64°F
Showers
- Precip. probability: 46%
- Precipitation: 0.2"
- Wind: 15mphNNE 28°
- Humidity: 75%
- UV index: 7
- Sunrise: 7:33 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 63°F
Showers
- Precip. probability: 45%
- Precipitation: 0.12"
- Wind: 16mphNNE 21°
- Humidity: 71%
- UV index: 7
- Sunrise: 7:34 am EDT
- Sunset: 6:45 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 61°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 13mphNNE 14°
- Humidity: 68%
- UV index: 6
- Sunrise: 7:34 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 77°F
- 63°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 12mphN 10°
- Humidity: 68%
- UV index: 6
- Sunrise: 7:35 am EDT
- Sunset: 6:43 pm EDT
- details ▼
Looking ahead, conditions suggest a period of cloudy, dry and sunny and rain-soaked weather is expected.
Rainfall is expected on Saturday and next Sunday.
In the upcoming days, the highest temperature will vary between 73.4°F and 80.6°F, while the fluctuation in night temperatures will be significant, as the overnight lows will vary from 53.6°F to 66.2°F.
With the highest temperature of 80.6°F, Wednesday will be the warmest day; with a maximum temperature of 73.4°F, Sunday and Monday will be the coldest days.
Rainfall is expected on Saturday and next Sunday.
In the upcoming days, the highest temperature will vary between 73.4°F and 80.6°F, while the fluctuation in night temperatures will be significant, as the overnight lows will vary from 53.6°F to 66.2°F.
With the highest temperature of 80.6°F, Wednesday will be the warmest day; with a maximum temperature of 73.4°F, Sunday and Monday will be the coldest days.
Updated: Oct 18, 2026 @ 07:19:20 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 coverage will be extensive.
Today, the highest temperature will be 73.4°F, while the lowest temperature will be 66.2°F.
Today, the highest temperature will be significantly lower than the average maximum of 82.9°F in October. The lowest temperature today will be in line with the average low temperature.
Today, the highest temperature will be significantly lower than the average maximum of 82.9°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Myrtle Island, sunrise will be at 7:29 am and sunset at 6:52 pm (EDT).
In Myrtle Island, today, there will be 11h and 23min of daylight.





