Nez Perce County Regional Airport (LWS) 15 Day Weather Forecast, Lewiston United States
Current weather conditions and 15 day weather forecast for Nez Perce County Regional Airport in Lewiston, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at LWS
| 17 September 2026 Thu 18.6 ° C ( 65.4°F )  Overcast |
Feels Like : 15.7 ° C / 60.3°F Humidity : % 36 Pressure : 1013 mb Wind Speed : 7.2 kmph / 4.5 miles from W 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Nez Perce County Regional Airport, Lewiston, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 17 September 2026 Thu | Overcast |
12.8 ° C | 20.2 ° C | 17.1 ° C | % 48 | 8.3 km/h | 36% |
| 18 September 2026 Fri |  Sunny |
11.8 ° C | 22.6 ° C | 17.8 ° C | % 51 | 12.6 km/h | 36% |
| 19 September 2026 Sat | Sunny |
12.2 ° C | 23.4 ° C | 18.8 ° C | % 52 | 8.6 km/h | 2% |
| 20 September 2026 Sun | Sunny |
13.5 ° C | 25.2 ° C | 20 ° C | % 44 | 10.1 km/h | 2% |
| 21 September 2026 Mon | Sunny |
13.7 ° C | 23.6 ° C | 18.4 ° C | % 39 | 30.2 km/h | 1% |
| 22 September 2026 Tue | Sunny |
9.5 ° C | 17.2 ° C | 14.4 ° C | % 34 | 17.3 km/h | 1% |
| 23 September 2026 Wed |  Partly Cloudy |
10.9 ° C | 21.9 ° C | 16.6 ° C | % 33 | 9.7 km/h | 3% |
| 24 September 2026 Thu | Sunny |
14.6 ° C | 25.9 ° C | 19.9 ° C | % 39 | 9.7 km/h | 1% |
| 25 September 2026 Fri | Overcast |
17.5 ° C | 26.5 ° C | 21.7 ° C | % 40 | 8.3 km/h | 7% |
| 26 September 2026 Sat | Partly Cloudy |
13.2 ° C | 24.2 ° C | 19.7 ° C | % 39 | 35.3 km/h | 6% |
| 27 September 2026 Sun | Sunny |
9.3 ° C | 16 ° C | 12.6 ° C | % 37 | 25.6 km/h | 2% |
| 28 September 2026 Mon | Sunny |
6.1 ° C | 15.3 ° C | 11.7 ° C | % 36 | 7.9 km/h | 2% |
| 29 September 2026 Tue | Sunny |
6 ° C | 16 ° C | 11.7 ° C | % 33 | 7.6 km/h | 3% |
| 30 September 2026 Wed | Sunny |
8.3 ° C | 17.7 ° C | 13.4 ° C | % 32 | 6.8 km/h | 3% |
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