Weather forecast for 10 daysLake Harbor, FL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 82°F
- 72°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 18mphNNE 33°
- Humidity: 73%
- UV index: 8
- Sunrise: 7:24 am EDT
- Sunset: 6:52 pm EDT
- details ▼
Tomorrow, on Sunday, October 18, patchy clouds will move across the sky, allowing for sunshine at times.
Rainfall is not forecasted. Temperatures will oscillate between a warm 82.4°F at their highest and an agreeable 71.6°F at their lowest.
The maximum heat index, which measures the combined effect of heat and moisture, is computed to be a humid 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow, the expected maximum temperature should be consistent with October's typical high of 83.8°F.
Sunrise will be at 7:24 am and sunset at 6:52 pm; tomorrow's daylight will last for 11h and 28min.
Rainfall is not forecasted. Temperatures will oscillate between a warm 82.4°F at their highest and an agreeable 71.6°F at their lowest.
The maximum heat index, which measures the combined effect of heat and moisture, is computed to be a humid 87.8°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Tomorrow, the expected maximum temperature should be consistent with October's typical high of 83.8°F.
Sunrise will be at 7:24 am and sunset at 6:52 pm; tomorrow's daylight will last for 11h and 28min.
10-day overview
Daily temperatures
Warmest period: tomorrow - Wednesday 82°C.
Coldest day: Sunday 25.10. 79°C.
Coldest day: Sunday 25.10. 79°C.
Chance of precipitation
Highest chance: today 88%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 72°F
Rain Early
- Precip. probability: 88%
- Precipitation: 0.04"
- Wind: 16mphNNE 14°
- Humidity: 91%
- UV index: 0
- Sunrise: 7:23 am EDT
- Sunset: 6:53 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 82°F
- 72°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 18mphNNE 33°
- Humidity: 73%
- UV index: 8
- Sunrise: 7:24 am EDT
- Sunset: 6:52 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 82°F
- 70°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 16mphNE 40°
- Humidity: 71%
- UV index: 8
- Sunrise: 7:24 am EDT
- Sunset: 6:51 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 82°F
- 68°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 12mphNNE 22°
- Humidity: 68%
- UV index: 8
- Sunrise: 7:25 am EDT
- Sunset: 6:50 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 82°F
- 68°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphNNE 12°
- Humidity: 68%
- UV index: 8
- Sunrise: 7:26 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 81°F
- 66°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 10mphN 8°
- Humidity: 67%
- UV index: 8
- Sunrise: 7:26 am EDT
- Sunset: 6:48 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 81°F
- 68°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 11mphNNE 18°
- Humidity: 65%
- UV index: 8
- Sunrise: 7:27 am EDT
- Sunset: 6:47 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 81°F
- 68°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphNNE 27°
- Humidity: 72%
- UV index: 8
- Sunrise: 7:27 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 68°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphNNE 24°
- Humidity: 73%
- UV index: 7
- Sunrise: 7:28 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 81°F
- 66°F
PM Showers
- Precip. probability: 31%
- Precipitation: 0.08"
- Wind: 13mphNNE 20°
- Humidity: 72%
- UV index: 7
- Sunrise: 7:29 am EDT
- Sunset: 6:45 pm EDT
- details ▼
Looking ahead, conditions suggest a period of clear, cloudy and rain-soaked weather is anticipated.
Rainfall is predicted for Saturday and next Monday.
The maximum temperature will be almost identical across the forecast window. Maximum temperatures will fall between 78.8°F and 82.4°F, while the overnight low will be also nearly unchanged, as the minimum temperature is expected to range between 66.2°F and 71.6°F.
The warmest days in Lake Harbor will be Sunday through Wednesday, with a maximum of 82.4°F; the coldest day will be next Sunday, with a maximum of 78.8°F.
Rainfall is predicted for Saturday and next Monday.
The maximum temperature will be almost identical across the forecast window. Maximum temperatures will fall between 78.8°F and 82.4°F, while the overnight low will be also nearly unchanged, as the minimum temperature is expected to range between 66.2°F and 71.6°F.
The warmest days in Lake Harbor will be Sunday through Wednesday, with a maximum of 82.4°F; the coldest day will be next Sunday, with a maximum of 78.8°F.
Updated: Oct 18, 2026 @ 01:56:43 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 Lake Harbor, clouds and sunshine will alternate throughout the day.
No, it will not rain tomorrow.
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 71.6°F. The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F.
The maximum temperature will be in line with the average highest temperature of 83.8°F in October. The lowest temperature will be also in line with the average low of 70.7°F.
The maximum temperature will be in line with the average highest temperature of 83.8°F in October. The lowest temperature will be also in line with the average low of 70.7°F.
On Sunday, in Lake Harbor, sunrise will be at 7:24 am and sunset at 6:52 pm (EDT).
Tomorrow, the daylight will last for 11h and 28min.





