Sullivan County Airport (SIV) 15 Day Weather Forecast, Sullivan United States
Current weather conditions and 15 day weather forecast for Sullivan County Airport in Sullivan, 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 SIV
| 13 September 2026 Sun 22.2 ° C ( 72°F )  Overcast |
Feels Like : 24.1 ° C / 75.4°F Humidity : % 78 Pressure : 1017 mb Wind Speed : 5 kmph / 3.1 miles from NE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Sullivan County Airport, Sullivan, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Sunny |
17.2 ° C | 34 ° C | 24.9 ° C | % 72 | 30.2 km/h | 62% |
| 14 September 2026 Mon | Overcast |
14.1 ° C | 27.9 ° C | 20.6 ° C | % 61 | 21.6 km/h | 36% |
| 15 September 2026 Tue | Sunny |
19.9 ° C | 38.5 ° C | 27.4 ° C | % 55 | 21.6 km/h | 36% |
| 16 September 2026 Wed | Sunny |
23.3 ° C | 34.9 ° C | 28.2 ° C | % 66 | 13.7 km/h | 57% |
| 17 September 2026 Thu | Sunny |
22.7 ° C | 35.9 ° C | 28.4 ° C | % 63 | 24.1 km/h | 36% |
| 18 September 2026 Fri |  Patchy rain nearby |
20.9 ° C | 30 ° C | 24.2 ° C | % 81 | 15.8 km/h | 70% |
| 19 September 2026 Sat |  Partly Cloudy |
20.8 ° C | 33.2 ° C | 25.6 ° C | % 75 | 22 km/h | 72% |
| 20 September 2026 Sun | Overcast |
20.3 ° C | 25.9 ° C | 22.7 ° C | % 86 | 16.9 km/h | 86% |
| 21 September 2026 Mon | Patchy rain nearby |
15.5 ° C | 19.7 ° C | 17.2 ° C | % 91 | 21.6 km/h | 84% |
| 22 September 2026 Tue |  Light rain shower |
15.6 ° C | 22.9 ° C | 19.3 ° C | % 93 | 15.8 km/h | 91% |
| 23 September 2026 Wed | Overcast |
17.9 ° C | 21.1 ° C | 20.3 ° C | % 88 | 16.2 km/h | 91% |
| 24 September 2026 Thu | Overcast |
17.3 ° C | 24.6 ° C | 20.9 ° C | % 80 | 12.6 km/h | 21% |
| 25 September 2026 Fri | Overcast |
20.1 ° C | 26.8 ° C | 23 ° C | % 69 | 10.1 km/h | 15% |
| 26 September 2026 Sat | Sunny |
19.1 ° C | 27.9 ° C | 23.2 ° C | % 70 | 14.8 km/h | 6% |
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