Clark County (Vancouver)
October
Weather in Clark County, Washington for October 2026
Your guide to Clark County weather in October - trends and predictions
In general, the average temperature in Clark County at the beginning of October is 21.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.3 °C by the end of October.
Clark County experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 151.4 mm.
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Temperatures
Rain 🌧️
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10
Dry days
21
Rainy days
0
Snow days
17°/9°
Temperatures
9 km/h
Avg max wind
71 %
Avg humidity
Clark County Weather October
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Temperatures trend during October in Clark County
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October weather in Clark County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Mist | 22° /10° | 1.7 mm | 5 | |
| Oct. 2 |  Light rain | 16° /9° | 2.2 mm | 4 | |
| Oct. 3 |  Patchy rain possible | 20° /9° | 0 mm | 5 | |
| Oct. 4 | Mist | 16° /10° | 11.8 mm | 4 | |
| Oct. 5 | Mist | 23° /8° | 0 mm | 5 | |
| Oct. 6 |  Sunny | 26° /11° | 0 mm | 7 | |
| Oct. 7 | Sunny | 27° /11° | 0 mm | 7 | |
| Oct. 8 |  Overcast | 19° /12° | 0 mm | 4 | |
| Oct. 9 | Light rain shower | 14° /8° | 5.9 mm | 3 | |
| Oct. 10 | Light rain | 17° /8° | 2.9 mm | 4 | |
| Oct. 11 |  Moderate or heavy rain with thunder | 17° /10° | 4.1 mm | 4 | |
| Oct. 12 | Fog | 19° /11° | 10.8 mm | 4 | |
| Oct. 13 | Overcast | 18° /9° | 1.4 mm | 4 | |
| Oct. 14 | Light rain shower | 18° /9° | 2.1 mm | 4 | |
| Oct. 15 | Overcast | 19° /9° | 6 mm | 5 | |
| Oct. 16 |  Moderate or heavy rain shower | 16° /9° | 8.8 mm | 4 | |
| Oct. 17 | Fog | 15° /9° | 0.8 mm | 3 | |
| Oct. 18 | Overcast | 17° /8° | 0 mm | 4 | |
| Oct. 19 | Sunny | 19° /10° | 3.7 mm | 5 | |
| Oct. 20 | Mist | 19° /9° | 0 mm | 5 | |
| Oct. 21 | Patchy rain possible | 17° /7° | 6.6 mm | 4 | |
| Oct. 22 | Patchy rain possible | 17° /10° | 0.1 mm | 4 | |
| Oct. 23 | Overcast | 15° /8° | 0 mm | 4 | |
| Oct. 24 |  Moderate rain | 13° /6° | 14.7 mm | 3 | |
| Oct. 25 | Moderate or heavy rain with thunder | 13° /6° | 15.4 mm | 3 | |
| Oct. 26 | Light rain shower | 11° /7° | 17.1 mm | 3 | |
| Oct. 27 |  Partly cloudy | 12° /4° | 14.1 mm | 3 | |
| Oct. 28 | Sunny | 12° /5° | 3.1 mm | 3 | |
| Oct. 29 | Sunny | 13° /6° | 2.5 mm | 4 | |
| Oct. 30 | Sunny | 13° /5° | 10.8 mm | 3 | |
| Oct. 31 | Overcast | 12° /4° | 4.7 mm | 3 | |
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Important Notice
Our weather forecast for Clark County 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 Clark County forecast closer to your planned date for the most up-to-date weather information.
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Clark County in October - FAQ
What are the expected maximum and minimum temperatures in Clark County during October?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Clark County during October?
Significant rainfall exceeding 151.4 mm is expected in Clark County during October, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Clark County during October?
The average wind speed in Clark County during October is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Clark County
Explore the daily rainfall trends and prepare for Clark Countys October weather 💧
Typically, Clark County has 21 rainy days in October with a total of 151.4 mm of rainfall.
UV exposure in Clark County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Where is Clark County?Get accurate weather forecasts for Clark County, located at latitude 45.639 and longitude -122.661. Stay updated with localized weather information tailored for Clark County.
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