Weather in Tri-Cities in October
Tri-Cities, United States averages a high of 18.8°C (65.8°F) and low of 7.8°C (46°F) in October, with 5 rain days and 8.9 hours of daily sunshine. Travel score: 81.6/100 (Excellent). The best time to visit Tri-Cities is August.
High
19°C66°F
Low
8°C46°F
🌧️
5
rain days
☀️
8.9
hrs/day sunshine
💧
62%
humidity
82— Excellent
October in Tri-Cities is mild and mostly dry — excellent conditions for exploring.
What are the average temperatures in Tri-Cities?
How much does it rain in Tri-Cities in October?
Tri-Cities receives an average of 21.2mm of rainfall across 5 rainy days in October. The annual total is 229.1mm.
What should I pack for Tri-Cities in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in October?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31