Lewiston (ID)
January
Weather in Lewiston, Idaho for January 2026
Your guide to Lewiston weather in January - trends and predictions
With an average of 2 snowy days, Lewiston usually enjoys a light touch of snow in January.
According to Lewiston snow forecast for January 2026, no snow is expected at the beginning of the month.The forecast for the next days in Lewiston predicts temperatures to be around 8 °F, close to the historical average.
In general, the average temperature in Lewiston at the beginning of January is 6.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 2.6 °F by the end of January.
Lewiston experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 46.4 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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21
Dry days
8
Rainy days
2
Snow days
4°/-3°
Temperatures
8 km/h
Avg max wind
79 %
Avg humidity
Lewiston Weather January
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Temperatures trend during January in Lewiston
See the weather trend as well as the moving average line
January weather in Lewiston day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 9° /3° | 2.2 mm | 0 cm | |
| Jan. 2 |  Partly cloudy | 9° /0° | 0 mm | 0 cm | |
| Jan. 3 |  Moderate or heavy rain shower | 6° /2° | 21.4 mm | 0 cm | |
| Jan. 4 |  Overcast | 8° /1° | 2.9 mm | 0 cm | |
| Jan. 5 | Moderate or heavy rain shower | 6° /3° | 6.7 mm | 0 cm | |
| Jan. 6 | Patchy rain possible | 5° /2° | 0.2 mm | 0 cm | |
| Jan. 7 |  Light freezing rain | 3° /0° | 0.2 mm | 0 cm | |
| Jan. 8 | Light freezing rain | 4° /-1° | 0.8 mm | 0.5 cm | |
| Jan. 9 | Overcast | 4° /-1° | 0 mm | 0 cm | |
| Jan. 10 |  Heavy rain at times | 5° /-1° | 4.1 mm | 0 cm | |
| Jan. 11 | Patchy rain possible | 5° /0° | 1.6 mm | 0 cm | |
| Jan. 12 | Patchy rain possible | 3° /0° | 1.3 mm | 0 cm | |
| Jan. 13 | Overcast | 4° /-1° | 0.1 mm | 0 cm | |
| Jan. 14 |  Cloudy | 3° /-1° | 0 mm | 0 cm | |
| Jan. 15 | Overcast | 4° /-3° | 0 mm | 0 cm | |
| Jan. 16 | Cloudy | 9° /-2° | 0 mm | 0 cm | |
| Jan. 17 | Overcast | 1° /-3° | 0.3 mm | 0 cm | |
| Jan. 18 | Overcast | 1° /-2° | 0 mm | 0 cm | |
| Jan. 19 | Overcast | 0° /-4° | 0 mm | 0 cm | |
| Jan. 20 |  Sunny | -1° /-9° | 0 mm | 0 cm | |
| Jan. 21 | Overcast | 3° /-5° | 0 mm | 0 cm | |
| Jan. 22 | Overcast | 3° /-6° | 0 mm | 0 cm | |
| Jan. 23 | Partly cloudy | 4° /-4° | 0 mm | 0 cm | |
| Jan. 24 | Overcast | 2° /-4° | 0.1 mm | 0 cm | |
| Jan. 25 | Overcast | 0° /-6° | 0 mm | 0 cm | |
| Jan. 26 | Sunny | 0° /-7° | 0 mm | 0 cm | |
| Jan. 27 | Sunny | 3° /-7° | 0 mm | 0 cm | |
| Jan. 28 | Sunny | 2° /-7° | 0 mm | 0 cm | |
| Jan. 29 | Sunny | 1° /-7° | 0 mm | 0 cm | |
| Jan. 30 | Overcast | 6° /-6° | 0 mm | 0 cm | |
| Jan. 31 | Overcast | 6° /-1° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Lewiston in January 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.
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Lewiston in January - FAQ
What are the expected maximum and minimum temperatures in Lewiston during January?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Lewiston during January?
In January, Lewiston can expect light to moderate rainfall, totaling 46.4 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Lewiston in January 2026?
Lewiston experiences an average snowfall of 0.9 cm during January, occurring over 2 days.
What are the typical wind conditions in Lewiston during January?
The average wind speed in Lewiston during January is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
Lewiston snow forecast January 2026
Track daily snowfall levels and discover Lewiston’s snowy potential this January ❄️
On average, Lewiston sees 2 snowy days during January, with approximately 0.9 cm of total snowfall.
January rainfall patterns in Lewiston
Explore the daily rainfall trends and prepare for Lewistons January weather 💧
Typically, Lewiston has 8 rainy days in January with a total of 46.4 mm of rainfall.
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Where is Lewiston?Get accurate weather forecasts for Lewiston, located at latitude 46.417 and longitude -117.018. Stay updated with localized weather information tailored for Lewiston.
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