Weather forecast for 10 daysJupiter Island, FL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 88°F
- 75°F
Thunderstorms
- Precip. probability: 100%
- Precipitation: 0.51"
- Wind: 18mphN 0°
- Humidity: 82%
- UV index: 5
- Sunrise: 7:21 am EDT
- Sunset: 6:50 pm EDT
- details ▼
On Saturday, October 17, unstable skies bring the chance of thunderstorms.
The likelihood of rainfall for today is high, and precipitation will be moderate. The predicted temperature range extends from a high of a blazing 87.8°F to a low of a temperate 75.2°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at a scorching 107.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Today, climate comparisons show a temperature closer to September's 84.7°F than October's 81.7°F.
Sunrise was at 7:21 am and sunset will be at 6:50 pm; the daylight will last for 11h and 29min.
The likelihood of rainfall for today is high, and precipitation will be moderate. The predicted temperature range extends from a high of a blazing 87.8°F to a low of a temperate 75.2°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at a scorching 107.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Today, climate comparisons show a temperature closer to September's 84.7°F than October's 81.7°F.
Sunrise was at 7:21 am and sunset will be at 6:50 pm; the daylight will last for 11h and 29min.
Sunday Oct 18, 2026
- 81°F
- 77°F
Partly Cloudy / Wind
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 22mphNE 35°
- Humidity: 74%
- UV index: 5
- Sunrise: 7:21 am EDT
- Sunset: 6:49 pm EDT
- details ▼
On Sunday, in Jupiter Island, partly cloudy skies with gusty winds are also expected.
Rainfall is not predicted for tomorrow. Slight temperature shifts from a high of a temperate 80.6°F to a low of a warm 77°F are anticipated.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 84.2°F.
Tomorrow's high temperature will mirror the usual October maximum of 81.7°F.
Sunrise will be at 7:21 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 28min.
Rainfall is not predicted for tomorrow. Slight temperature shifts from a high of a temperate 80.6°F to a low of a warm 77°F are anticipated.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 84.2°F.
Tomorrow's high temperature will mirror the usual October maximum of 81.7°F.
Sunrise will be at 7:21 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 28min.
10-day overview
Daily temperatures
Warmest day: today 88°C.
Minimum temperature: 81°C.
Minimum temperature: 81°C.
Chance of precipitation
Highest chance: today 100%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 88°F
- 75°F
Thunderstorms
- Precip. probability: 100%
- Precipitation: 0.51"
- Wind: 18mphN 0°
- Humidity: 82%
- UV index: 5
- Sunrise: 7:21 am EDT
- Sunset: 6:50 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 81°F
- 77°F
Partly Cloudy / Wind
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 22mphNE 35°
- Humidity: 74%
- UV index: 5
- Sunrise: 7:21 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 82°F
- 73°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 20mphNE 45°
- Humidity: 70%
- UV index: 8
- Sunrise: 7:22 am EDT
- Sunset: 6:48 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 81°F
- 72°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 16mphNNE 27°
- Humidity: 66%
- UV index: 7
- Sunrise: 7:23 am EDT
- Sunset: 6:47 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 82°F
- 72°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 15mphNNE 19°
- Humidity: 66%
- UV index: 8
- Sunrise: 7:23 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 82°F
- 70°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 15mphN 10°
- Humidity: 65%
- UV index: 8
- Sunrise: 7:24 am EDT
- Sunset: 6:45 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 82°F
- 72°F
Mostly Sunny
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 14mphNNE 21°
- Humidity: 63%
- UV index: 8
- Sunrise: 7:24 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 81°F
- 72°F
Scattered Thunderstorms
- Precip. probability: 48%
- Precipitation: 0.2"
- Wind: 17mphNNE 29°
- Humidity: 69%
- UV index: 7
- Sunrise: 7:25 am EDT
- Sunset: 6:43 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 70°F
Showers
- Precip. probability: 48%
- Precipitation: 0.28"
- Wind: 19mphNNE 26°
- Humidity: 70%
- UV index: 7
- Sunrise: 7:26 am EDT
- Sunset: 6:42 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 81°F
- 72°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 17mphNNE 21°
- Humidity: 68%
- UV index: 7
- Sunrise: 7:26 am EDT
- Sunset: 6:42 pm EDT
- details ▼
Weather fluctuations are likely over the next ten days, and a mix of cloud-filled, clear, thunderstorm-prone and rain-filled weather is forecasted.
Rainfall is anticipated on Saturday, next Saturday and Sunday.
In the upcoming days, the highest temperature will range between 80.6°F and 87.8°F, while the low temperature range extends from 69.8°F to 77°F.
With a high of 87.8°F, today is the hottest day; Sunday, Tuesday, next Saturday through next Monday, with the highest temperature of 80.6°F, will be the coldest days.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and range between 84.2°F and a blisteringly hot 107.6°F.
Rainfall is anticipated on Saturday, next Saturday and Sunday.
In the upcoming days, the highest temperature will range between 80.6°F and 87.8°F, while the low temperature range extends from 69.8°F to 77°F.
With a high of 87.8°F, today is the hottest day; Sunday, Tuesday, next Saturday through next Monday, with the highest temperature of 80.6°F, will be the coldest days.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and range between 84.2°F and a blisteringly hot 107.6°F.
Updated: Oct 17, 2026 @ 18:10:22 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, changing skies could spark thunderstorms.
With a probability of 100%, moderate precipitation of 0.51" is forecasted.
Today, the maximum temperature will be 87.8°F, while the minimum temperature will be 75.2°F. The maximum heat index, which combines air temperature and relative humidity, is calculated to be 107.6°F.
The maximum temperature today will be relatively higher than the average highest temperature in October. Today, the lowest temperature will be in line with the average low temperature.
The maximum temperature today will be relatively higher than the average highest temperature in October. Today, the lowest temperature will be in line with the average low temperature.
On Saturday, in Jupiter Island, sunrise was at 7:21 am and sunset will be at 6:50 pm (EDT).
Today, the daylight will last for 11h and 29min.
On Sunday, occasional gusty winds will sweep through a partly cloudy sky.
No, it will not rain tomorrow.
Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 77°F. The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be 84.2°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.
On Sunday, in Jupiter Island, sunrise will be at 7:21 am and sunset at 6:49 pm (EDT).
Tomorrow, the daylight will last for 11h and 28min.





