Base Aerea Del Sur Airport (RER) 15 Day Weather Forecast, Retalhuleu Guatemala
Current weather conditions and 15 day weather forecast for Base Aerea Del Sur Airport in Retalhuleu, Guatemala 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 RER
| 17 September 2026 Thu 34.1 ° C ( 93.4°F )  Sunny |
Feels Like : 35.8 ° C / 96.4°F Humidity : % 40 Pressure : 1011 mb Wind Speed : 7.2 kmph / 4.5 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
15-day weather forecast for Base Aerea Del Sur Airport, Retalhuleu, Guatemala
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 17 September 2026 Thu | Sunny |
24.4 ° C | 35.1 ° C | 27.7 ° C | % 68 | 19.4 km/h | 74% |
| 18 September 2026 Fri |  Light rain shower |
24.2 ° C | 33.9 ° C | 27 ° C | % 72 | 17.3 km/h | 72% |
| 19 September 2026 Sat | Light rain shower |
24 ° C | 34.3 ° C | 27.5 ° C | % 73 | 18.7 km/h | 69% |
| 20 September 2026 Sun |  Overcast |
24 ° C | 33.9 ° C | 27.2 ° C | % 76 | 20.2 km/h | 76% |
| 21 September 2026 Mon |  Patchy rain nearby |
23.7 ° C | 32.3 ° C | 26.9 ° C | % 80 | 11.9 km/h | 79% |
| 22 September 2026 Tue |  Moderate or heavy rain shower |
23.6 ° C | 30.6 ° C | 25.9 ° C | % 84 | 12.2 km/h | 88% |
| 23 September 2026 Wed | Light rain shower |
23.3 ° C | 30.4 ° C | 25.8 ° C | % 81 | 13.3 km/h | 86% |
| 24 September 2026 Thu | Light rain shower |
22.9 ° C | 30.4 ° C | 25.3 ° C | % 84 | 10.8 km/h | 87% |
| 25 September 2026 Fri | Light rain shower |
23.2 ° C | 28.6 ° C | 25.1 ° C | % 88 | 6.8 km/h | 90% |
| 26 September 2026 Sat | Light rain shower |
22 ° C | 23.3 ° C | 22.8 ° C | % 95 | 8.3 km/h | 94% |
| 27 September 2026 Sun | Overcast |
23.4 ° C | 24.7 ° C | 23.9 ° C | % 89 | 8.6 km/h | 57% |
| 28 September 2026 Mon | Overcast |
23.5 ° C | 26.5 ° C | 24.9 ° C | % 83 | 7.9 km/h | 57% |
| 29 September 2026 Tue | Patchy rain nearby |
23 ° C | 26.2 ° C | 24.5 ° C | % 88 | 9.7 km/h | 88% |
| 30 September 2026 Wed | Light rain shower |
23 ° C | 23.7 ° C | 23.3 ° C | % 95 | 6.1 km/h | 93% |
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