Castle Air Force Base (MER) 15 Day Weather Forecast, Merced United States
Current weather conditions and 15 day weather forecast for Castle Air Force Base in Merced, 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 MER
| 17 December 2025 Wed 7.2 ° C ( 45°F )  Overcast |
Feels Like : 7.1 ° C / 44.9°F Humidity : % 90 Pressure : 1024 mb Wind Speed : 3.6 kmph / 2.2 miles from ESE 
Visibility : 11 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Castle Air Force Base, Merced, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 16 December 2025 Tue |  Fog |
4.9 ° C | 9.7 ° C | 6.5 ° C | % 95 | 7.2 km/h | 0% |
| 17 December 2025 Wed |  Cloudy |
6.2 ° C | 17.3 ° C | 11.6 ° C | % 84 | 13.3 km/h | 0% |
| 18 December 2025 Thu | Fog |
7.7 ° C | 11.1 ° C | 9.4 ° C | % 94 | 12.2 km/h | 0% |
| 19 December 2025 Fri | Overcast |
3.1 ° C | 14.8 ° C | 8.3 ° C | % 88 | 7.6 km/h | 0% |
| 20 December 2025 Sat |  Partly Cloudy |
12.9 ° C | 19.5 ° C | 15.6 ° C | % 68 | 15.1 km/h | 0% |
| 21 December 2025 Sun |  Patchy rain nearby |
14.8 ° C | 17.6 ° C | 15.6 ° C | % 71 | 13.3 km/h | 84% |
| 22 December 2025 Mon | Partly Cloudy |
14.2 ° C | 18.7 ° C | 15.8 ° C | % 77 | 10.1 km/h | 0% |
| 23 December 2025 Tue | Overcast |
12.5 ° C | 18.5 ° C | 15.4 ° C | % 68 | 22.3 km/h | 0% |
| 24 December 2025 Wed | Patchy rain nearby |
11.7 ° C | 16 ° C | 14.6 ° C | % 72 | 38.2 km/h | 89% |
| 25 December 2025 Thu | Patchy rain nearby |
8.4 ° C | 14.8 ° C | 11.1 ° C | % 77 | 30.2 km/h | 80% |
| 26 December 2025 Fri | Patchy rain nearby |
7 ° C | 13 ° C | 9.7 ° C | % 71 | 15.1 km/h | 71% |
| 27 December 2025 Sat |  Sunny |
4.7 ° C | 11.8 ° C | 8.2 ° C | % 64 | 9.4 km/h | 0% |
| 28 December 2025 Sun | Sunny |
5.5 ° C | 13.5 ° C | 9.3 ° C | % 58 | 8.3 km/h | 0% |
| 29 December 2025 Mon | Sunny |
6.6 ° C | 14.9 ° C | 10.3 ° C | % 63 | 8.6 km/h | 0% |
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