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
| 01 August 2026 Sat 21.9 ° C ( 71.4°F )  Overcast |
Feels Like : 21.9 ° C / 71.4°F Humidity : % 94 Pressure : 1008 mb Wind Speed : 11.2 kmph / 6.9 miles from SE 
Visibility : 11.3 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 |
|---|---|---|---|---|---|---|---|
| 01 August 2026 Sat |  Patchy rain nearby |
18.7 ° C | 23.2 ° C | 21 ° C | % 91 | 17.6 km/h | 90% |
| 02 August 2026 Sun |  Mist |
18.5 ° C | 22.8 ° C | 20.1 ° C | % 92 | 20.5 km/h | 80% |
| 03 August 2026 Mon | Patchy rain nearby |
17.9 ° C | 25.9 ° C | 21.7 ° C | % 86 | 17.6 km/h | 51% |
| 04 August 2026 Tue |  Sunny |
17 ° C | 27.9 ° C | 22.2 ° C | % 81 | 11.5 km/h | 10% |
| 05 August 2026 Wed | Sunny |
18.6 ° C | 29.1 ° C | 23.7 ° C | % 77 | 10.1 km/h | 9% |
| 06 August 2026 Thu | Sunny |
20.3 ° C | 30.7 ° C | 25.5 ° C | % 78 | 23.4 km/h | 9% |
| 07 August 2026 Fri | Sunny |
22.2 ° C | 29.7 ° C | 26.5 ° C | % 78 | 22 km/h | 62% |
| 08 August 2026 Sat | Patchy rain nearby |
22.8 ° C | 32.1 ° C | 26.8 ° C | % 80 | 17.6 km/h | 70% |
| 09 August 2026 Sun | Sunny |
23 ° C | 32.4 ° C | 27.4 ° C | % 77 | 20.5 km/h | 23% |
| 10 August 2026 Mon | Sunny |
24 ° C | 32.2 ° C | 28.1 ° C | % 72 | 20.5 km/h | 7% |
| 11 August 2026 Tue | Sunny |
21.8 ° C | 30.8 ° C | 25.9 ° C | % 77 | 18.4 km/h | 36% |
| 12 August 2026 Wed | Mist |
21.6 ° C | 25.8 ° C | 23 ° C | % 92 | 11.9 km/h | 86% |
| 13 August 2026 Thu | Mist |
20.8 ° C | 23.1 ° C | 21.7 ° C | % 95 | 7.2 km/h | 88% |
| 14 August 2026 Fri | Sunny |
20.2 ° C | 24.3 ° C | 22.2 ° C | % 93 | 10.8 km/h | 79% |
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