Knoxville

Knoxville Weekly Weather Update: Mild Temperatures with Rainy Days Ahead

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Published on October 25, 2025
Knoxville Weekly Weather Update: Mild Temperatures with Rainy Days AheadSource: Unsplash/Stephen Ellis

The National Weather Service in Knoxville updated locals early this morning on the week's weather outlook, with temperatures today peaking at a mild 68 degrees and a calm northeast wind coming into play later in the day. According to their report, tonight's forecast is leaning towards mostly cloudy skies with temperatures dropping to around 47 degrees and continued calm wind conditions.

For those planning to step outside on Sunday, it may be wise to pack an umbrella as there's a slight 20 percent chance of showers in the afternoon. The day is expected to mostly remain cloudy, with highs again hovering around the 68-degree mark, and the wind is set to become northeast around 5 mph. Folks in northeast Tennessee and southwest Virginia should take note of the patchy frost warning early this morning, as mentioned in the NWS's Hazardous Weather Outlook.

As the week progresses, rain seems to be a recurring theme. Showers are likely after 2 am on Sunday into Monday morning, with a 70 percent chance of precipitation. Monday will likely follow suit with showers, especially before 2 pm, and a 60 percent chance of rain according to the NWS forecast. Temperatures will take a slight dip with highs around 59 degrees and a persistent northeast wind at around 5 mph.

Midweek forecasts are looking similarly soaked, with a 50 to 60 percent chance of showers from Monday night through to Wednesday. Temperatures at night will float in the high 40s, while daytimes will see highs in the upper 50s. The NWS also indicates a need to keep an eye out for a minor mountain wave wind event that may develop overnight Sunday into Monday morning. This detail was specifically given in their recent hazardous weather outlook release.

Looking ahead, the latter part of the week continues the trend of cloudy skies and potential showers, with Thursday and Friday both having a 30 percent and 20 percent chance of rain, respectively. Despite the chance of rain, Friday promises to break through the clouds with mostly sunny conditions and high temperatures settling near 58 degrees.