Weather forecast for tomorrowSurfside, FL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 81°F
- 79°F
Thunderstorms
- Precip. probability: 77%
- Precipitation: 0.75"
- Wind: 20mphNE 39°
- Humidity: 80%
- UV index: 4
- Sunrise: 7:20 am EDT
- Sunset: 6:50 pm EDT
- details ▼
Tomorrow, on Sunday, October 18, thunderstorms are also expected.
The chance of rainfall is high, and precipitation will be moderate. Temperature measurements will peak at a temperate 80.6°F, with a slight decrease to a low of a moderately hot 78.8°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be a tropical 86°F. Note that heat index values are valued for light wind and location in the shade.
Tomorrow's forecasted high will be in line with October's typical peak of 83.3°F.
Sunrise will be at 7:20 am and sunset at 6:50 pm; tomorrow's daylight will last for 11h and 29min.
The chance of rainfall is high, and precipitation will be moderate. Temperature measurements will peak at a temperate 80.6°F, with a slight decrease to a low of a moderately hot 78.8°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is calculated to be a tropical 86°F. Note that heat index values are valued for light wind and location in the shade.
Tomorrow's forecasted high will be in line with October's typical peak of 83.3°F.
Sunrise will be at 7:20 am and sunset at 6:50 pm; tomorrow's daylight will last for 11h and 29min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 86°C.
Coldest hour: 3 am 81°C.
Coldest hour: 3 am 81°C.
Chance of precipitation
Highest chance: 12 am 83%.
Hourly weather forecast
- 12 am
- 77°F
- Feels like:82°F
Heavy Thunderstorms
- Precip. probability: 83%
- Precipitation: 0.39"
- Wind: 11mphN 8°
- Humidity: 90%
- Pressure: 29.97"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
- 2 am
- 77°F
- Feels like:81°F
Scattered Thunderstorms
- Precip. probability: 59%
- Precipitation: 0.12"
- Wind: 13mphN 8°
- Humidity: 91%
- Pressure: 29.97"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 4 am
- 75°F
- Feels like:81°F
Thunderstorms
- Precip. probability: 64%
- Precipitation: 0.04"
- Wind: 13mphN 9°
- Humidity: 91%
- Pressure: 29.94"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 6 am
- 77°F
- Feels like:82°F
Thunderstorms
- Precip. probability: 67%
- Precipitation: 0.04"
- Wind: 14mphNNE 26°
- Humidity: 87%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
Sunrise: 7:20 am
- 8 am
- 77°F
- Feels like:82°F
Thunderstorms
- Precip. probability: 62%
- Precipitation: 0.08"
- Wind: 17mphNE 35°
- Humidity: 85%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 10 am
- 79°F
- Feels like:84°F
Scattered Thunderstorms
- Precip. probability: 57%
- Precipitation: 0.04"
- Wind: 18mphNE 40°
- Humidity: 80%
- Pressure: 30.03"Hg
- Visibility: 7mi
- UV index: 2
- details ▼
- 12 pm
- 81°F
- Feels like:86°F
Scattered Thunderstorms
- Precip. probability: 55%
- Precipitation: 0.16"
- Wind: 19mphNE 41°
- Humidity: 79%
- Pressure: 30.03"Hg
- Visibility: 7mi
- UV index: 3
- details ▼
- 2 pm
- 79°F
- Feels like:84°F
Scattered Thunderstorms
- Precip. probability: 44%
- Precipitation: 0.08"
- Wind: 19mphNE 46°
- Humidity: 80%
- Pressure: 30"Hg
- Visibility: 7mi
- UV index: 3
- details ▼
- 4 pm
- 79°F
- Feels like:84°F
Scattered Thunderstorms / Wind
- Precip. probability: 48%
- Precipitation: 0.04"
- Wind: 20mphNE 43°
- Humidity: 78%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 2
- details ▼
- 6 pm
- 79°F
- Feels like:84°F
Scattered Thunderstorms / Wind
- Precip. probability: 43%
- Precipitation: 0.04"
- Wind: 20mphNE 38°
- Humidity: 74%
- Pressure: 29.97"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
Sunset: 6:50 pm
- 8 pm
- 79°F
- Feels like:84°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 18mphNE 38°
- Humidity: 73%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 79°F
- Feels like:84°F
Mostly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 18mphNE 40°
- Humidity: 73%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of primarily lightning-active and occasionally dull and damp weather is forecasted.
Rainfall is anticipated from 12 am to 7 pm. With elevated precipitation of 0.39", most rainfall is expected at 12 am.
The temperature variation will be unnoticeable, with a minimum of 75.2°F and a maximum of 80.6°F. The warmest part of the day will be at 11 am, noon, 3 pm and 5 pm.
Tomorrow, the forecasted high aligns in line with the average peak in October. The lowest temperature is also alike with October's typical minimum of 76.6°F.
Rainfall is anticipated from 12 am to 7 pm. With elevated precipitation of 0.39", most rainfall is expected at 12 am.
The temperature variation will be unnoticeable, with a minimum of 75.2°F and a maximum of 80.6°F. The warmest part of the day will be at 11 am, noon, 3 pm and 5 pm.
Tomorrow, the forecasted high aligns in line with the average peak in October. The lowest temperature is also alike with October's typical minimum of 76.6°F.
Updated: Oct 17, 2026 @ 16:55:42 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
Tomorrow, unstable atmospheric conditions may lead to thunderstorms.
With a probability of 77%, moderate precipitation of 0.75" is predicted.
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 78.8°F. The maximum heat index, which combines air temperature and relative humidity, is evaluated at 86°F.
The highest temperature will be in line with the average maximum of 83.3°F in October. The lowest temperature will be also in line with the average low of 76.6°F.
The highest temperature will be in line with the average maximum of 83.3°F in October. The lowest temperature will be also in line with the average low of 76.6°F.
On Sunday, in Surfside, sunrise will be at 7:20 am and sunset at 6:50 pm (EDT).
Tomorrow, the daylight will last for 11h and 29min.





