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
| 18 March 2026 Wed -1.9 ° C ( 28.6°F )  Overcast |
Feels Like : -7.1 ° C / 19.2°F Humidity : % 63 Pressure : 1022 mb Wind Speed : 16.9 kmph / 10.5 miles from SSE 
Visibility : 16 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 |
|---|---|---|---|---|---|---|---|
| 18 March 2026 Wed |  Sunny |
-1.9 ° C | 14.4 ° C | 4.3 ° C | % 68 | 29.2 km/h | 0% |
| 19 March 2026 Thu |  Fog |
2.6 ° C | 22 ° C | 10.3 ° C | % 83 | 16.6 km/h | 0% |
| 20 March 2026 Fri |  Mist |
6.9 ° C | 15 ° C | 9.8 ° C | % 95 | 11.5 km/h | 0% |
| 21 March 2026 Sat | Sunny |
9.9 ° C | 23.2 ° C | 15.3 ° C | % 75 | 21.2 km/h | 0% |
| 22 March 2026 Sun | Sunny |
12.2 ° C | 24.8 ° C | 17.2 ° C | % 71 | 33.5 km/h | 0% |
| 23 March 2026 Mon | Sunny |
2.5 ° C | 9.6 ° C | 6.7 ° C | % 54 | 25.6 km/h | 0% |
| 24 March 2026 Tue |  Partly Cloudy |
1.8 ° C | 12.2 ° C | 7.5 ° C | % 58 | 19.1 km/h | 0% |
| 25 March 2026 Wed |  Moderate rain |
9.7 ° C | 19.9 ° C | 14 ° C | % 90 | 28.4 km/h | 88% |
| 26 March 2026 Thu |  Patchy rain nearby |
7.6 ° C | 23.1 ° C | 16.6 ° C | % 78 | 44.6 km/h | 87% |
| 27 March 2026 Fri | Sunny |
5.9 ° C | 16.3 ° C | 10.4 ° C | % 59 | 32.4 km/h | 0% |
| 28 March 2026 Sat | Partly Cloudy |
-1.3 ° C | 10.5 ° C | 4.8 ° C | % 50 | 20.9 km/h | 0% |
| 29 March 2026 Sun | Moderate rain |
5.2 ° C | 11.7 ° C | 7.6 ° C | % 87 | 30.2 km/h | 84% |
| 30 March 2026 Mon | Sunny |
0.2 ° C | 8.1 ° C | 4.1 ° C | % 63 | 26.3 km/h | 0% |
| 31 March 2026 Tue | Sunny |
-1.4 ° C | 8.8 ° C | 3.4 ° C | % 56 | 12.2 km/h | 0% |
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