Weather forecast for tomorrowHarbor Beach, FL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 81°F
  • 77°F
Thunderstorms / Wind
Thunderstorms / Wind
  • Precip. probability: 74%
  • Precipitation: 0.59"
  • Wind: 21mphNE 40°
  • Humidity: 78%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:49 pm EDT
  • ▼
On Sunday, in Harbor Beach, wind gusts are likely during passing thunderstorms.
With a high probability, moderate precipitation is forecasted for tomorrow. The day will observe a moderate high of a moderately hot 80.6°F, subtly differing from a low of a temperate 77°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is assessed at a hot 86°F. Note that heat index values are valued for light wind and location in the shade.
Tomorrow, the predicted high will correspond with the regular October temperature of 82.6°F.
Sunrise will be at 7:21 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 29min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 6 pm 84°C.
Coldest period: 3 am - 6 am 81°C.

Chance of precipitation

Highest chance: 12 am 83%.

Hourly weather forecast

  • 12 am
  • 77°F
  • Feels like:
    82°F
Thunderstorms
Thunderstorms
  • Precip. probability: 83%
  • Precipitation: 0.12"
  • Wind: 12mphN 9°
  • Humidity: 91%
  • Pressure: 30"Hg
  • Visibility: 5mi
  • UV index: 0
  • ▼
  • 2 am
  • 75°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 59%
  • Precipitation: 0.08"
  • Wind: 14mphNNE 13°
  • Humidity: 91%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 4 am
  • 75°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 54%
  • Precipitation: 0.16"
  • Wind: 15mphNNE 16°
  • Humidity: 89%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
  • 6 am
  • 77°F
  • Feels like:
    81°F
Thunderstorms
Thunderstorms
  • Precip. probability: 73%
  • Precipitation: 0.2"
  • Wind: 15mphNNE 27°
  • Humidity: 88%
  • Pressure: 29.97"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Sunrise: 7:21 am
  • 8 am
  • 77°F
  • Feels like:
    82°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 54%
  • Precipitation: 0.04"
  • Wind: 14mphNE 36°
  • Humidity: 83%
  • Pressure: 30"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 79°F
  • Feels like:
    84°F
Thunderstorms
Thunderstorms
  • Precip. probability: 63%
  • Precipitation: 0.08"
  • Wind: 17mphNE 39°
  • Humidity: 77%
  • Pressure: 30.03"Hg
  • Visibility: 6mi
  • UV index: 1
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    84°F
Scattered Thunderstorms / Wind
Scattered Thunderstorms / Wind
  • Precip. probability: 55%
  • Precipitation: 0.16"
  • Wind: 21mphNE 48°
  • Humidity: 77%
  • Pressure: 30.03"Hg
  • Visibility: 7mi
  • UV index: 3
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    84°F
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 0.04"
  • Wind: 19mphNE 49°
  • Humidity: 78%
  • Pressure: 30"Hg
  • Visibility: 6mi
  • UV index: 3
  • ▼
  • 4 pm
  • 79°F
  • Feels like:
    84°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Wind: 19mphNE 42°
  • Humidity: 76%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 1
  • ▼
  • 6 pm
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 19mphNE 35°
  • Humidity: 74%
  • Pressure: 29.97"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunset: 6:49 pm
  • 8 pm
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 18mphNE 40°
  • Humidity: 72%
  • Pressure: 30"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 18mphNE 41°
  • Humidity: 73%
  • Pressure: 30.03"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily turbulent and occasionally cloudy weather is predicted.
Rain is expected from 12 am to 4 pm. With moderate precipitation of 0.24", most rainfall is expected at 3 am.
The temperature variation throughout the day will be indistinguishable, with a minimum of 75.2°F and a maximum of 80.6°F. The warmest part of the day will be from 11 am to 1 pm, 3 pm and at 5 pm.
Tomorrow, expect conditions resembling October's usual high temperature. The lowest temperature tomorrow will be also consistent with October's average minimum.
Updated: Oct 17, 2026 @ 18:54:59 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, loud thunder and gusty conditions may arrive together.

Moderate precipitation of 0.59" is anticipated. The likelihood of rainfall is 74%.

Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 77°F. The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at 86°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 77°F.

On Sunday, in Harbor Beach, sunrise will be at 7:21 am and sunset at 6:49 pm (EDT).

In Harbor Beach, the length of the day tomorrow will be 11h and 29min.