Siskiyou County Airport (SIY) 15 Day Weather Forecast, Montague United States
Current weather conditions and 15 day weather forecast for Siskiyou County Airport in Montague, 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 SIY
| 01 February 2026 Sun 6.1 ° C ( 43°F )  Clear |
Feels Like : 5.9 ° C / 42.7°F Humidity : % 73 Pressure : 1019 mb Wind Speed : 3.6 kmph / 2.2 miles from WNW 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Siskiyou County Airport, Montague, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 31 January 2026 Sat | Sunny |
-3.2 ° C | 11.3 ° C | 3.2 ° C | % 67 | 4.3 km/h | 0% |
| 01 February 2026 Sun | Sunny |
2.4 ° C | 11.7 ° C | 6.9 ° C | % 53 | 6.5 km/h | 0% |
| 02 February 2026 Mon |  Partly Cloudy |
-1 ° C | 14.2 ° C | 5.8 ° C | % 70 | 5.4 km/h | 0% |
| 03 February 2026 Tue | Sunny |
2 ° C | 17.2 ° C | 8.8 ° C | % 55 | 2.9 km/h | 0% |
| 04 February 2026 Wed | Sunny |
1.7 ° C | 15.1 ° C | 7.1 ° C | % 57 | 3.2 km/h | 0% |
| 05 February 2026 Thu | Sunny |
1.2 ° C | 13.6 ° C | 5.1 ° C | % 59 | 4 km/h | 0% |
| 06 February 2026 Fri |  Cloudy |
3.2 ° C | 14.1 ° C | 8.1 ° C | % 53 | 2.9 km/h | 0% |
| 07 February 2026 Sat | Sunny |
2.9 ° C | 13.5 ° C | 7.2 ° C | % 69 | 5.4 km/h | 0% |
| 08 February 2026 Sun | Sunny |
0.6 ° C | 13.4 ° C | 6.4 ° C | % 64 | 2.9 km/h | 0% |
| 09 February 2026 Mon |  Overcast |
2.1 ° C | 12.1 ° C | 6.9 ° C | % 58 | 7.2 km/h | 0% |
| 10 February 2026 Tue |  Patchy rain nearby |
-1 ° C | 7 ° C | 3.9 ° C | % 76 | 16.6 km/h | 89% |
| 11 February 2026 Wed | Partly Cloudy |
-2.7 ° C | 7.3 ° C | 1.6 ° C | % 69 | 2.9 km/h | 0% |
| 12 February 2026 Thu | Partly Cloudy |
-1.5 ° C | 8.2 ° C | 3.7 ° C | % 66 | 6.1 km/h | 0% |
| 13 February 2026 Fri | Patchy rain nearby |
4.3 ° C | 6.3 ° C | 5.2 ° C | % 88 | 13.7 km/h | 89% |
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