Weather forecast for todayMcHarg, TN

Weather forecast for today

Current condition 3:11 am EDT

  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphSSW 210°
  • Humidity: 97%
  • Dewpoint: 41°F
  • Pressure: 30.28"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Currently, the sky is a brilliant shade of blue with no cloud cover.
The temperature is a chilly 42.8°F. The current temperature is almost at the minimum-anticipated 41°F for today.

Tuesday Oct 20, 2026

  • 73°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 5mphENE 63°
  • Humidity: 71%
  • UV index: 5
  • Sunrise: 7:48 am EDT
  • Sunset: 6:56 pm EDT
  • ▼
Today, on Tuesday, October 20, a mix of clouds and blue sky is expected.
Significant temperature variations are forecasted, soaring to a maximum of a moderately hot 73.4°F and descending to a minimum of a cold 41°F.
Today’s forecasted high is set to be slightly warmer than October's regular high of 68.5°F.
Sunrise will be at 7:48 am and sunset at 6:56 pm; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 72°C.
Coldest period: 6 am - 8 am 39°C.

Chance of precipitation

Highest chance: 10 am 16%.

Hourly weather forecast

  • 4 am
  • 41°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 0mphESE 120°
  • Humidity: 98%
  • Pressure: 30.27"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 1mphSE 126°
  • Humidity: 98%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:48 am
  • 8 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 1mphE 94°
  • Humidity: 100%
  • Pressure: 30.3"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 0mphE 90°
  • Humidity: 87%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 68°
  • Humidity: 51%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNW 311°
  • Humidity: 37%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 322°
  • Humidity: 37%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNW 337°
  • Humidity: 44%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:56 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNW 326°
  • Humidity: 74%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphN 6°
  • Humidity: 87%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, a combination of gloomy and bright weather is expected.
The temperature will vary between a maximum of 71.6°F and a minimum of 39.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The high will be a couple of degrees higher than the normal maximum of 68.5°F for October. The expected low will be more comparable to what’s common in November than the current October average of 48.4°F.
Updated: Oct 20, 2026 @ 07:11:58 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 3:11 am EDT is 42.8°F.

Today, a partly cloudy outlook will keep the sky interesting throughout the day.

Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 41°F.
The highest temperature will be a few degrees higher than the average maximum of 68.5°F in October. The lowest temperature will be also moderately lower than the average low of 48.4°F.

On Tuesday, in McHarg, sunrise will be at 7:48 am and sunset at 6:56 pm (EDT).

Today, the daylight will last for 11h and 8min.