Lewiston (ID)
October
Weather in Lewiston, Idaho for October 2026
Your guide to Lewiston weather in October - trends and predictions
In general, the average temperature in Lewiston at the beginning of October is 20.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.4 °F by the end of October.
Lewiston experiences moderate rainfall in October, with an average of 8 rainy days and a total precipitation of 56.5 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
17°/6°
Temperatures
11 km/h
Avg max wind
57 %
Avg humidity
Lewiston Weather October
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Temperatures trend during October in Lewiston
See the weather trend as well as the moving average line
October weather in Lewiston day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Partly cloudy | 22° /6° | 0 mm | 6 | |
| Oct. 2 | Partly cloudy | 20° /10° | 0 mm | 5 | |
| Oct. 3 |  Sunny | 18° /6° | 0 mm | 5 | |
| Oct. 4 |  Heavy rain at times | 18° /5° | 0.6 mm | 5 | |
| Oct. 5 | Partly cloudy | 18° /6° | 0 mm | 5 | |
| Oct. 6 | Sunny | 21° /6° | 0 mm | 6 | |
| Oct. 7 | Sunny | 25° /7° | 0 mm | 7 | |
| Oct. 8 | Sunny | 24° /7° | 0 mm | 7 | |
| Oct. 9 |  Overcast | 24° /10° | 0 mm | 6 | |
| Oct. 10 | Overcast | 20° /9° | 0 mm | 5 | |
| Oct. 11 | Overcast | 17° /7° | 0 mm | 4 | |
| Oct. 12 | Sunny | 17° /7° | 2.4 mm | 5 | |
| Oct. 13 | Sunny | 14° /6° | 1.2 mm | 4 | |
| Oct. 14 | Partly cloudy | 18° /4° | 0 mm | 5 | |
| Oct. 15 |  Cloudy | 18° /8° | 0 mm | 4 | |
| Oct. 16 |  Moderate or heavy rain shower | 16° /4° | 10.4 mm | 4 | |
| Oct. 17 | Heavy rain at times | 13° /4° | 0.9 mm | 4 | |
| Oct. 18 | Partly cloudy | 13° /0° | 1 mm | 4 | |
| Oct. 19 | Overcast | 18° /8° | 5.1 mm | 5 | |
| Oct. 20 | Overcast | 19° /5° | 0 mm | 5 | |
| Oct. 21 | Moderate or heavy rain shower | 16° /4° | 10.1 mm | 4 | |
| Oct. 22 | Partly cloudy | 17° /1° | 0 mm | 5 | |
| Oct. 23 |  Patchy rain possible | 12° /2° | 0.2 mm | 3 | |
| Oct. 24 | Cloudy | 16° /1° | 0 mm | 4 | |
| Oct. 25 | Partly cloudy | 15° /4° | 0 mm | 5 | |
| Oct. 26 | Sunny | 15° /3° | 0 mm | 4 | |
| Oct. 27 | Moderate or heavy rain shower | 13° /4° | 7.8 mm | 4 | |
| Oct. 28 | Moderate rain at times | 10° /1° | 0.9 mm | 3 | |
| Oct. 29 | Cloudy | 10° /2° | 0.2 mm | 3 | |
| Oct. 30 |  Mist | 11° /-1° | 0 mm | 3 | |
| Oct. 31 | Overcast | 13° /4° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Lewiston 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 Lewiston forecast closer to your planned date for the most up-to-date weather information.
Change Month
Lewiston in October - FAQ
What are the expected maximum and minimum temperatures in Lewiston during October?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lewiston during October?
Moderate rainfall is anticipated in Lewiston during October, with a total of 56.5 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Lewiston during October?
The average wind speed in Lewiston during October is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Lewiston
Explore the daily rainfall trends and prepare for Lewistons October weather 💧
UV exposure in Lewiston during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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