Weather forecast for tomorrowDecatur, TN
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 43°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:48 am EDT
- Sunset: 7:00 pm EDT
- details ▼
Tomorrow, on Sunday, sunny conditions are also expected to continue.
The temperature will peak at a breezy 66.2°F during the day, dropping to a low of an icy 37.4°F at night.
Tomorrow, the maximum temperature is forecasted to be in line with the typical October high of 69.6°F.
Sunrise will be at 7:48 am and sunset at 7:00 pm; tomorrow's daylight will last for 11h and 12min.
The temperature will peak at a breezy 66.2°F during the day, dropping to a low of an icy 37.4°F at night.
Tomorrow, the maximum temperature is forecasted to be in line with the typical October high of 69.6°F.
Sunrise will be at 7:48 am and sunset at 7:00 pm; tomorrow's daylight will last for 11h and 12min.
Hourly overview
Hourly temperatures
Warmest period: 3 pm - 6 pm 64°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNE 34°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphNE 40°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNE 38°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphNE 37°
- Humidity: 81%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:48 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphNE 34°
- Humidity: 86%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNE 47°
- Humidity: 72%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 48°
- Humidity: 53%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 39°
- Humidity: 40%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 43°
- Humidity: 37%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 40°
- Humidity: 41%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 7:00 pm
- 8 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphNNE 22°
- Humidity: 65%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 0mphN 4°
- Humidity: 78%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, bright and mostly sunny weather is expected.
The temperature will vary between a minimum of 41°F and a maximum of 66.2°F. The warmest part of the day will be at 4 pm and 5 pm.
The maximum temperature will be consistent with October's average highest temperature of 69.6°F. The expected low will be more in line with what’s common in November than the current October average of 49.1°F.
The temperature will vary between a minimum of 41°F and a maximum of 66.2°F. The warmest part of the day will be at 4 pm and 5 pm.
The maximum temperature will be consistent with October's average highest temperature of 69.6°F. The expected low will be more in line with what’s common in November than the current October average of 49.1°F.
Updated: Oct 18, 2026 @ 02:50:35 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, in Decatur, clear skies and sunshine are anticipated.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature will be in line with the average maximum of 69.6°F in October. Tomorrow, the lowest temperature will be notably lower than the average low of 49.1°F.
The highest temperature will be in line with the average maximum of 69.6°F in October. Tomorrow, the lowest temperature will be notably lower than the average low of 49.1°F.
On Sunday, in Decatur, sunrise will be at 7:48 am and sunset at 7:00 pm (EDT).
In Decatur, the length of the day tomorrow will be 11h and 12min.
