Tri-Cities
October
Weather in Tri-Cities for October 2025
Your guide to Tri-Cities weather in October - trends and predictions
In general, the average temperature in Tri-Cities at the beginning of October is 23 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.9 °F by the end of October.
With an average of 5 rainy days, Tri-Cities experiences minimal rainfall in October.
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26
Dry days
5
Rainy days
0
Snow days
19°/6°
Temperatures
16 km/h
Avg max wind
54 %
Avg humidity
Tri-Cities in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  21° | 3  21° | 4  22° | 5 23° | ||
| 6  24° | 7 26° | 8 29° | 9  23° | 10 19° | 11 19° | 12 22° |
| 13 22° | 14 23° | 15 22° | 16  19° | 17 18° | 18 19° | 19 23° |
| 20 23° | 21 22° | 22 18° | 23 16° | 24 12° | 25 13° | 26 14° |
| 27 12° | 28 11° | 29 12° | 30 10° | 31 11° |
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Temperatures trend during October in Tri-Cities
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 | Partly cloudy | 24° /6° | 0 mm | 7 | |
| Oct. 2 | Overcast | 21° /7° | 0 mm | 5 | |
| Oct. 3 | Cloudy | 21° /4° | 0 mm | 6 | |
| Oct. 4 | Mist | 22° /7° | 0 mm | 5 | |
| Oct. 5 | Partly cloudy | 23° /6° | 0 mm | 6 | |
| Oct. 6 | Sunny | 24° /6° | 0 mm | 7 | |
| Oct. 7 | Sunny | 26° /9° | 0 mm | 7 | |
| Oct. 8 | Sunny | 29° /11° | 0 mm | 8 | |
| Oct. 9 | Patchy light drizzle | 23° /11° | 0.2 mm | 6 | |
| Oct. 10 | Light drizzle | 19° /7° | 1 mm | 5 | |
| Oct. 11 | Light rain | 19° /8° | 0.5 mm | 5 | |
| Oct. 12 | Mist | 22° /7° | 0 mm | 6 | |
| Oct. 13 | Mist | 22° /6° | 0 mm | 6 | |
| Oct. 14 | Overcast | 23° /10° | 0 mm | 6 | |
| Oct. 15 | Cloudy | 22° /10° | 0 mm | 5 | |
| Oct. 16 | Patchy rain possible | 19° /8° | 0.7 mm | 4 | |
| Oct. 17 | Partly cloudy | 18° /6° | 0 mm | 5 | |
| Oct. 18 | Overcast | 19° /4° | 0 mm | 5 | |
| Oct. 19 | Sunny | 23° /8° | 0 mm | 6 | |
| Oct. 20 | Overcast | 23° /8° | 0 mm | 5 | |
| Oct. 21 | Overcast | 22° /9° | 0 mm | 5 | |
| Oct. 22 | Patchy rain possible | 18° /7° | 0 mm | 5 | |
| Oct. 23 | Mist | 16° /5° | 0 mm | 4 | |
| Oct. 24 | Patchy rain possible | 12° /2° | 0.5 mm | 3 | |
| Oct. 25 | Light rain | 13° /-1° | 1.8 mm | 3 | |
| Oct. 26 | Patchy rain possible | 14° /3° | 0.1 mm | 4 | |
| Oct. 27 | Sunny | 12° /3° | 0 mm | 3 | |
| Oct. 28 | Sunny | 11° /2° | 0 mm | 3 | |
| Oct. 29 | Sunny | 12° /1° | 0 mm | 4 | |
| Oct. 30 | Sunny | 10° /-1° | 2.2 mm | 3 | |
| Oct. 31 | Overcast | 11° /1° | 1.8 mm | 3 | |
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Important Notice
Our weather forecast for Tri-Cities in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Tri-Cities forecast closer to your planned date for the most up-to-date weather information.
Tri-Cities in October - FAQ
What are the expected maximum and minimum temperatures in Tri-Cities during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Tri-Cities during October?
Rainfall in Tri-Cities during October is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 5 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Tri-Cities during October?
The average wind speed in Tri-Cities during October is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Tri-Cities
Explore the daily rainfall trends and prepare for Tri-Citiess October weather 💧
UV exposure in Tri-Cities during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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