Knoxville

Knoxville Weekly Weather Update: Sunny Spells and Thunderstorms on the Horizon

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Published on May 31, 2025
Knoxville Weekly Weather Update: Sunny Spells and Thunderstorms on the HorizonSource: David Ratledge, CC BY 4.0, via Wikimedia Commons

The National Weather Service in Knoxville has updated locals with the latest weather forecast, predicting a mixture of sunny spells and potential thunderstorms over the coming week. Today, there is a slim chance of showers in the late afternoon, with only a 10 percent chance of rain post-4 pm and sunny skies dominating the day as temperatures reach a comfortable high near 79°F. A westerly wind is expected to bring some relief, blowing at 5 to 10 mph and occasionally gusting up to 20 mph, according to the National Weather Service.

Tonight, the chance of encountering showers and thunderstorms climbs but remains low, sitting at 20 percent before it wanes around 10 PM. As the sun sets, clouds will partially clear, leading to a starlit sky and a mild low of approximately 58°F. The weather pattern seems eager to embrace the calm of the night with a west wind settling down to a gentle whisper on its way to tranquility.

Looking ahead to Sunday, the forecast turns slightly more volatile with a 50 percent probability of showers and potential thunderstorms after 11 AM. Despite the threat of rain, the day will stay partly sunny, with highs hovering near 77°F. What begins as a calm morning will subtly shift as a light westerly breeze picks up in the afternoon. The NWS anticipates minimal new rainfall amounts, save for possibly higher quantities within thunderstorms.

As the week progresses, Knoxville residents can expect a clear transition to sunny skies, particularly on Monday and Tuesday, when the highs reach near 79°F and 86°F under a calm wind. Nightly conditions are projected to remain mostly clear with low temperatures gently dipping, Sunday night to around 54°F and inching up gradually as the week unfolds with the warmth of upcoming sunny days elusively wrapped in the cooling embrace of the evening. The weather seems consistent as Wednesday stays sunny with a peak temperature near 87°F.

However, for those planning further ahead, Thursday and Friday might present some challenges. With a 30 percent chance of showers on Thursday and an increased likelihood of rain and thunderstorms at 50 percent by Thursday night, Knoxville seems set for a wetter end to the week. Friday caps off the forecast with a pronounced 70 percent chance of showers and possible thunderstorms as the high temperature settles around 83°F. While these predictions offer just a glimpse, uncertainty is a loyal companion to the science of meteorology, and residents are advised to stay updated with the latest weather news.