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
| 30 October 2026 Fri 3.7 ° C ( 38.7°F )  Overcast |
Feels Like : 0.8 ° C / 33.4°F Humidity : % 54 Pressure : 1012 mb Wind Speed : 3.6 kmph / 2.2 miles from NNW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 |
|---|---|---|---|---|---|---|---|
| 29 October 2026 Thu | Overcast |
-1.3 ° C | 11.9 ° C | 4.1 ° C | % 61 | 4.3 km/h | 13% |
| 30 October 2026 Fri | Overcast |
-0.9 ° C | 12.3 ° C | 4.5 ° C | % 62 | 9.4 km/h | 13% |
| 31 October 2026 Sat | Overcast |
0.1 ° C | 11.5 ° C | 5.1 ° C | % 75 | 8.6 km/h | 65% |
| 01 November 2026 Sun |  Patchy rain nearby |
0 ° C | 10.3 ° C | 4.8 ° C | % 81 | 7.2 km/h | 55% |
| 02 November 2026 Mon | Overcast |
-1 ° C | 12.7 ° C | 5.1 ° C | % 67 | 4.3 km/h | 17% |
| 03 November 2026 Tue | Overcast |
1 ° C | 15.7 ° C | 8.1 ° C | % 55 | 3.6 km/h | 9% |
| 04 November 2026 Wed |  Partly Cloudy |
4.8 ° C | 15.9 ° C | 9.8 ° C | % 54 | 8.3 km/h | 6% |
| 05 November 2026 Thu | Patchy rain nearby |
3.5 ° C | 9.5 ° C | 7.2 ° C | % 79 | 6.1 km/h | 76% |
| 06 November 2026 Fri | Partly Cloudy |
1.7 ° C | 10.6 ° C | 5.4 ° C | % 71 | 2.5 km/h | 9% |
| 07 November 2026 Sat | Partly Cloudy |
0.5 ° C | 12.8 ° C | 6.4 ° C | % 63 | 7.9 km/h | 36% |
| 08 November 2026 Sun | Overcast |
2.6 ° C | 12.1 ° C | 7.1 ° C | % 65 | 2.9 km/h | 14% |
| 09 November 2026 Mon | Overcast |
4.8 ° C | 12.2 ° C | 8.6 ° C | % 60 | 11.5 km/h | 69% |
| 10 November 2026 Tue | Patchy rain nearby |
5.7 ° C | 12.8 ° C | 9.3 ° C | % 66 | 15.5 km/h | 73% |
| 11 November 2026 Wed | Patchy rain nearby |
6.3 ° C | 11.5 ° C | 8.8 ° C | % 70 | 19.4 km/h | 57% |
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