Weather WorldArthur, TN Weather Forecast
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| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | | | | | |  | | | |  |
| Mostly Sunny | Patchy Fog | Sunny | Patchy Fog | Sunny | Patchy Fog | Sunny | Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy |
| Hi: 73°FHi: 23°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 70°FHi: 21°C | Lo: 43°FLo: 6°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 228 PM EDT Tue Oct 20 2026 
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Issued: 126 PM EDT Tue Oct 20 2026
Key Messages
Updated at 118 PM EDT Tue Oct 20 2026- Dry weather dominates the forecast period, with cool mornings and pleasant afternoons each day. Afternoon relative humidity will remain on the lower side as well.
Discussion
... Issued at 118 PM EDT Tue Oct 20 2026
Morning fog along rivers and lakes will be possible again late tonight as cold air moves over warm waters. This will probably repeat each morning for the next several days. Otherwise, we will have dry and sunny weather for the remainder o...