Rupert Airport (BYI) 15 Day Weather Forecast, Rupert United States
Current weather conditions and 15 day weather forecast for Rupert Airport in Rupert, 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 BYI
| 20 December 2025 Sat 7.8 ° C ( 46°F )  Light rain |
Feels Like : 3.1 ° C / 37.6°F Humidity : % 82 Pressure : 1006 mb Wind Speed : 38.5 kmph / 23.9 miles from WSW 
Visibility : 16 km Precipitation (rainfall) : 0.07 mm Cloud (%) : 75 |
15-day weather forecast for Rupert Airport, Rupert, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 19 December 2025 Fri |  Moderate rain |
1.1 ° C | 11.4 ° C | 6 ° C | % 73 | 38.5 km/h | 89% |
| 20 December 2025 Sat |  Patchy moderate snow |
-3.8 ° C | 3.8 ° C | 0.9 ° C | % 85 | 27 km/h | 76% |
| 21 December 2025 Sun |  Overcast |
1.6 ° C | 10.3 ° C | 5.4 ° C | % 90 | 7.9 km/h | 0% |
| 22 December 2025 Mon | Moderate rain |
4.5 ° C | 10.1 ° C | 6.6 ° C | % 84 | 22 km/h | 89% |
| 23 December 2025 Tue |  Patchy rain nearby |
4.7 ° C | 9.8 ° C | 6.5 ° C | % 79 | 15.8 km/h | 86% |
| 24 December 2025 Wed | Patchy rain nearby |
5.7 ° C | 12.3 ° C | 7.2 ° C | % 60 | 14.8 km/h | 54% |
| 25 December 2025 Thu |  Partly Cloudy |
3.9 ° C | 9 ° C | 6.3 ° C | % 73 | 15.1 km/h | 0% |
| 26 December 2025 Fri | Patchy rain nearby |
1.4 ° C | 7.5 ° C | 3.8 ° C | % 71 | 24.5 km/h | 85% |
| 27 December 2025 Sat |  Sunny |
-1.1 ° C | 5.2 ° C | 1.5 ° C | % 69 | 11.5 km/h | 0% |
| 28 December 2025 Sun |  Light freezing rain |
-0.8 ° C | 2.5 ° C | 0.6 ° C | % 78 | 16.6 km/h | 0% |
| 29 December 2025 Mon |  Cloudy |
-1.7 ° C | 2.5 ° C | -0.3 ° C | % 75 | 23.4 km/h | 0% |
| 30 December 2025 Tue | Sunny |
-2.3 ° C | 3.7 ° C | -0.3 ° C | % 65 | 7.2 km/h | 0% |
| 31 December 2025 Wed | Patchy rain nearby |
-0.7 ° C | 5.6 ° C | 1.5 ° C | % 69 | 23.4 km/h | 0% |
| 01 January 2026 Thu | Partly Cloudy |
-1.2 ° C | 4.1 ° C | 0.8 ° C | % 72 | 15.1 km/h | 0% |
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