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 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.4 °C by the end of October.
Lewiston experiences moderate rainfall in October, with an average of 7 rainy days and a total precipitation of 40.6 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
17°/5°
Temperatures
13 km/h
Avg max wind
58 %
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 | |
| Next | |||||
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 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lewiston during October?
In October, Lewiston can expect light to moderate rainfall, totaling 40.6 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Lewiston during October?
The average wind speed in Lewiston during October is 13 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 💧
Typically, Lewiston has 7 rainy days in October with a total of 40.6 mm of rainfall.
UV exposure in Lewiston during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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