Weather Tomorrow in Knoxville, TN
Saturday, May 23, 2026
Thunderstorms
Precip chance
83%
Wind
0-10 mph
Humidity
89%
Feels like
77–67°F
Rain forecast
Rain likely starts around 4 AM and may continue until 3 AM. Peak chance: 83% around 1 PM.
Data source: National Weather Service (NOAA) · Updated 18 min ago
Tomorrow by Hour
65°Temperature trend79°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 4 AM☽ | 70°F | Chance Rain Showers | 51% | 0 mph | ||
| 5 AM☽ | 69°F | Chance Rain Showers | 45% | 0 mph | ||
| 6 AM☽ | 68°F | Chance Rain Showers | 32% | 0 mph | ||
| 7 AM☽ | 68°F | Slight Chance Rain Showers | 23% | 0 mph | ||
| 8 AM☽ | 67°F | Chance Rain Showers | 27% | 0 mph | ||
| 9 AM☽ | 66°F | Chance Rain Showers | 37% | 0 mph | ||
| 10 AM | 66°F | Chance Rain Showers | 46% | 0 mph | ||
| 11 AM | 65°F | Chance Rain Showers | 47% | 0 mph | ||
| 12 PM | 66°F | Rain Showers | 81% | 5 mph SW | ||
| 1 PM | 67°F | Rain Showers | 83% | 5 mph SW | ||
| 2 PM | 71°F | Rain Showers | 78% | 5 mph SW | ||
| 3 PM | 72°F | Showers And Thunderstorms Likely | 56% | 5 mph SW | ||
| 4 PM | 75°F | Showers And Thunderstorms Likely | 61% | 10 mph SW | ||
| 5 PM | 76°F | Showers And Thunderstorms Likely | 68% | 10 mph SW | ||
| 6 PM | 77°F | Showers And Thunderstorms Likely | 55% | 10 mph SW | ||
| 7 PM | 78°F | Chance Showers And Thunderstorms | 46% | 10 mph SW | ||
| 8 PM | 78°F | Showers And Thunderstorms Likely | 64% | 10 mph SW | ||
| 9 PM | 78°F | Showers And Thunderstorms Likely | 58% | 10 mph SW | ||
| 10 PM☽ | 79°F | Chance Showers And Thunderstorms | 52% | 5 mph SW | ||
| 11 PM☽ | 78°F | Chance Showers And Thunderstorms | 44% | 5 mph SW | ||
| 12 AM☽ | 76°F | Chance Showers And Thunderstorms | 40% | 5 mph SW | ||
| 1 AM☽ | 73°F | Chance Showers And Thunderstorms | 36% | 0 mph | ||
| 2 AM☽ | 71°F | Chance Showers And Thunderstorms | 51% | 0 mph | ||
| 3 AM☽ | 70°F | Chance Showers And Thunderstorms | 54% | 0 mph | ||
Precipitation Timeline
100%
50%
83%
4a10a4p10p
<20%20-50%50-70%>70%
What to Wear Tomorrow
Warm and comfortable — dress light
Clothing
- • T-shirt or light blouse
- • Shorts or light pants
Footwear
Comfortable shoes or sandals
Accessories
- • Umbrella
Conditions
High: 79°F
Low: 65°F
Wind: 0-10 mph
Rain: 83%
Rain expected around 4 AM — carry an umbrella.
Best Time to Be Outside Tomorrow
10 AM – 11 AM
Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)
4a10a4p10p
More for Knoxville, TN
- Will it rain tomorrow in Knoxville?
- What time will it rain tomorrow in Knoxville?
- Weather tomorrow by hour in Knoxville
- Heat index tomorrow by zip code near Knoxville
- Dew point tomorrow by zip code near Knoxville
- Wind chill tomorrow by zip code near Knoxville
- What to wear tomorrow in Knoxville
- Best time to be outside tomorrow in Knoxville
Forecast by ZIP in Knoxville
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Frequently Asked Questions
What is the weather forecast for tomorrow in Knoxville, TN?
Tomorrow in Knoxville: High of 79°F, Low of 65°F. Thunderstorms with 83% chance of precipitation. Wind 0-10 mph.
Will it rain tomorrow in Knoxville?
Rain likely starts around 4 AM and may continue until 3 AM. Peak chance: 83% around 1 PM.
What should I wear tomorrow in Knoxville?
With a high of 79°F and low of 65°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.