Washtenaw County (Ann Arbor)
October
Weather in Washtenaw County, Michigan for October 2026
Your guide to Washtenaw County weather in October - trends and predictions
Expect cooler weather in the next days in Washtenaw County with the forecast suggesting a temperature of 18 °F, lower than the historical average.
In general, the average temperature in Washtenaw County at the beginning of October is 22.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9.9 °F by the end of October.
With an average of 5 rainy days, Washtenaw County experiences minimal rainfall in October.
Is October a good time to visit Washtenaw County? check out the best time to travel to Washtenaw County page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
26
Dry days
5
Rainy days
0
Snow days
16°/7°
Temperatures
20 km/h
Avg max wind
74 %
Avg humidity
Washtenaw County Weather October
Move between months or click on a day
Temperatures trend during October in Washtenaw County
See the weather trend as well as the moving average line
October weather in Washtenaw County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Partly cloudy | 22° /13° | 2.2 mm | 3 | |
| Oct. 2 |  Overcast | 20° /9° | 9.4 mm | 4 | |
| Oct. 3 |  Fog | 23° /9° | 0 mm | 5 | |
| Oct. 4 | Fog | 25° /11° | 0.3 mm | 5 | |
| Oct. 5 | Partly cloudy | 22° /11° | 0 mm | 5 | |
| Oct. 6 | Overcast | 24° /10° | 0 mm | 5 | |
| Oct. 7 |  Heavy rain | 21° /9° | 10.9 mm | 5 | |
| Oct. 8 |  Sunny | 20° /10° | 0 mm | 3.9 | |
| Oct. 9 | Sunny | 20° /7° | 0.1 mm | 4.2 | |
| Oct. 10 | Overcast | 24° /11° | 0 mm | 3.8 | |
| Oct. 11 | Overcast | 17° /13° | 2.4 mm | 2.3 | |
| Oct. 12 | Sunny | 27° /13° | 0.2 mm | 7 | |
| Oct. 13 | Sunny | 19° /7° | 10.5 mm | 4 | |
| Oct. 14 | Overcast | 14° /4° | 0 mm | 3 | |
| Oct. 15 | Sunny | 25° /11° | 0 mm | 7 | |
| Oct. 16 | Sunny | 23° /11° | 0 mm | 6 | |
| Oct. 17 | Overcast | 11° /6° | 0 mm | 3 | |
| Oct. 18 | Sunny | 12° /1° | 0 mm | 4 | |
| Oct. 19 | Sunny | 12° /1° | 0 mm | 4 | |
| Oct. 20 | Overcast | 10° /4° | 0.1 mm | 3 | |
| Oct. 21 |  Thundery outbreaks possible | 17° /8° | 8.9 mm | 4 | |
| Oct. 22 | Overcast | 7° /6° | 0 mm | 2 | |
| Oct. 23 |  Cloudy | 10° /6° | 0 mm | 3 | |
| Oct. 24 | Mist | 10° /3° | 0 mm | 3 | |
| Oct. 25 | Cloudy | 10° /5° | 0 mm | 3 | |
| Oct. 26 | Mist | 10° /3° | 0 mm | 3 | |
| Oct. 27 | Mist | 8° /1° | 0 mm | 2 | |
| Oct. 28 | Mist | 10° /4° | 0 mm | 3 | |
| Oct. 29 | Overcast | 10° /4° | 0 mm | 3 | |
| Oct. 30 | Mist | 10° /3° | 0 mm | 3 | |
| Oct. 31 | Overcast | 11° /2° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Washtenaw 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 Washtenaw County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Washtenaw County in October - FAQ
What are the expected maximum and minimum temperatures in Washtenaw County during October?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Washtenaw County during October?
Significant rainfall exceeding 179.9 mm is expected in Washtenaw County during October, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Washtenaw County during October?
The average wind speed in Washtenaw County during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Washtenaw County
Explore the daily rainfall trends and prepare for Washtenaw Countys October weather 💧
Typically, Washtenaw County has 5 rainy days in October with a total of 179.9 mm of rainfall.
UV exposure in Washtenaw County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Top locations in Washtenaw County
Select a location for an accurate weather forecast
More Locations Quick links
More Washtenaw County weather pages
You are here
Where is Washtenaw County?Get accurate weather forecasts for Washtenaw County, located at latitude 42.278 and longitude -83.741. Stay updated with localized weather information tailored for Washtenaw County.
Found a mistake?
We appreciate your attention to details. Tell us here.