South Big Horn County Airport (GEY) 15 Day Weather Forecast, Greybull United States
Current weather conditions and 15 day weather forecast for South Big Horn County Airport in Greybull, 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 GEY
| 13 September 2026 Sun 20.4 ° C ( 68.7°F )  Cloudy |
Feels Like : 17.3 ° C / 63.1°F Humidity : % 30 Pressure : 1009 mb Wind Speed : 7.6 kmph / 4.7 miles from S 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 65 |
15-day weather forecast for South Big Horn County Airport, Greybull, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Overcast |
10.9 ° C | 29.5 ° C | 19.4 ° C | % 37 | 14 km/h | 17% |
| 14 September 2026 Mon |  Sunny |
13.8 ° C | 22.5 ° C | 18.2 ° C | % 29 | 41 km/h | 36% |
| 15 September 2026 Tue | Sunny |
8.9 ° C | 23.5 ° C | 15.9 ° C | % 35 | 16.9 km/h | 2% |
| 16 September 2026 Wed | Sunny |
9.7 ° C | 23.3 ° C | 16.5 ° C | % 37 | 18 km/h | 1% |
| 17 September 2026 Thu | Overcast |
14.1 ° C | 28.5 ° C | 21 ° C | % 34 | 31 km/h | 17% |
| 18 September 2026 Fri | Overcast |
17.1 ° C | 28.9 ° C | 22.3 ° C | % 52 | 24.5 km/h | 36% |
| 19 September 2026 Sat |  Light rain shower |
15 ° C | 22.5 ° C | 17.2 ° C | % 71 | 36.4 km/h | 78% |
| 20 September 2026 Sun |  Patchy rain nearby |
12.9 ° C | 17.1 ° C | 14.6 ° C | % 69 | 17.3 km/h | 70% |
| 21 September 2026 Mon | Sunny |
12.5 ° C | 21.9 ° C | 17 ° C | % 55 | 9.7 km/h | 3% |
| 22 September 2026 Tue | Sunny |
15.4 ° C | 25 ° C | 20 ° C | % 39 | 9.7 km/h | 1% |
| 23 September 2026 Wed | Sunny |
16.3 ° C | 29 ° C | 22.5 ° C | % 30 | 14.8 km/h | 1% |
| 24 September 2026 Thu | Cloudy |
17.7 ° C | 28.3 ° C | 22.7 ° C | % 37 | 37.1 km/h | 36% |
| 25 September 2026 Fri | Sunny |
15.8 ° C | 26.3 ° C | 20.7 ° C | % 36 | 16.9 km/h | 3% |
| 26 September 2026 Sat | Overcast |
17.5 ° C | 28.1 ° C | 21.9 ° C | % 25 | 33.5 km/h | 9% |
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