Sumter Municipal Airport (SUM) 15 Day Weather Forecast, Sumter United States
Current weather conditions and 15 day weather forecast for Sumter Municipal Airport in Sumter, 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 SUM
| 21 December 2025 Sun 5.8 ° C ( 42.4°F )  Clear |
Feels Like : 5.4 ° C / 41.8°F Humidity : % 66 Pressure : 1022 mb Wind Speed : 4 kmph / 2.5 miles from ESE 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Sumter Municipal Airport, Sumter, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat | Sunny |
2.2 ° C | 15.8 ° C | 7.5 ° C | % 56 | 10.8 km/h | 0% |
| 21 December 2025 Sun | Sunny |
1.1 ° C | 15.1 ° C | 7.9 ° C | % 66 | 16.6 km/h | 0% |
| 22 December 2025 Mon | Sunny |
0.9 ° C | 10.3 ° C | 5.5 ° C | % 47 | 17.3 km/h | 0% |
| 23 December 2025 Tue |  Overcast |
3.7 ° C | 11.9 ° C | 7.6 ° C | % 67 | 26.3 km/h | 0% |
| 24 December 2025 Wed | Sunny |
10.1 ° C | 19.6 ° C | 14.3 ° C | % 65 | 16.9 km/h | 0% |
| 25 December 2025 Thu | Sunny |
6.8 ° C | 18.6 ° C | 10.6 ° C | % 73 | 16.2 km/h | 0% |
| 26 December 2025 Fri | Overcast |
13.8 ° C | 21.6 ° C | 17.3 ° C | % 76 | 28.1 km/h | 0% |
| 27 December 2025 Sat |  Mist |
10.7 ° C | 15 ° C | 13.5 ° C | % 74 | 18.7 km/h | 0% |
| 28 December 2025 Sun | Sunny |
5.7 ° C | 12 ° C | 8.8 ° C | % 49 | 19.1 km/h | 0% |
| 29 December 2025 Mon | Sunny |
2.8 ° C | 13.5 ° C | 7.8 ° C | % 59 | 10.1 km/h | 0% |
| 30 December 2025 Tue | Sunny |
8.4 ° C | 19 ° C | 13.3 ° C | % 81 | 16.9 km/h | 0% |
| 31 December 2025 Wed |  Partly Cloudy |
12.4 ° C | 20.2 ° C | 16.2 ° C | % 79 | 12.2 km/h | 0% |
| 01 January 2026 Thu |  Patchy rain nearby |
13.1 ° C | 15.4 ° C | 14.6 ° C | % 85 | 15.1 km/h | 88% |
| 02 January 2026 Fri | Patchy rain nearby |
11.4 ° C | 15 ° C | 13.4 ° C | % 94 | 17.6 km/h | 86% |
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