Weather forecast for 10 daysDecatur, TN
Weather forecast for the weekend
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.
10-day overview
Daily temperatures
Maximum temperature: 75°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: 7%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 37°
- Humidity: 78%
- UV index: 0
- Sunrise: 7:47 am EDT
- Sunset: 7:01 pm EDT
- details ▼
- 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 ▼
- Monday
- Oct 19, 2026
- 72°F
- 43°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphNNE 24°
- Humidity: 58%
- UV index: 5
- Sunrise: 7:49 am EDT
- Sunset: 6:58 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNNE 31°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:50 am EDT
- Sunset: 6:57 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNNE 30°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:50 am EDT
- Sunset: 6:56 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphNNE 25°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:51 am EDT
- Sunset: 6:55 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphNNE 33°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:52 am EDT
- Sunset: 6:54 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphNE 48°
- Humidity: 59%
- UV index: 5
- Sunrise: 7:53 am EDT
- Sunset: 6:52 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNNE 12°
- Humidity: 61%
- UV index: 5
- Sunrise: 7:54 am EDT
- Sunset: 6:51 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 45°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 5mphNNE 19°
- Humidity: 59%
- UV index: 5
- Sunrise: 7:55 am EDT
- Sunset: 6:50 pm EDT
- details ▼
Weather models show that primarily sun-filled and occasionally cloud-filled weather is predicted.
Rainfall is not anticipated in Decatur in the upcoming period.
In the upcoming days, the highest temperature will range between 66.2°F and 75.2°F, while the low temperature range extends from 37.4°F to 44.6°F.
Tuesday, Wednesday, next Saturday through next Monday, with the highest temperature of 75.2°F, will be the warmest days; Sunday will be the coldest day, with the highest temperature of 66.2°F.
Rainfall is not anticipated in Decatur in the upcoming period.
In the upcoming days, the highest temperature will range between 66.2°F and 75.2°F, while the low temperature range extends from 37.4°F to 44.6°F.
Tuesday, Wednesday, next Saturday through next Monday, with the highest temperature of 75.2°F, will be the warmest days; Sunday will be the coldest day, with the highest temperature of 66.2°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.
