 |
 Current Sumter Weather Conditions |
Updated May 17th at 6:55 pm |
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| Temperature: | 90°F |
Dew Point: | 61°F |
| Barometer: | 30.09 inHg |
Wind: | N 15 Mph |
| Humidity: | 38.2% |
Visibility: | 0M |
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| Sumter Weather Forecast Summary |
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Today
May 17th
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Monday
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Thursday
May 21st
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Mostly Sunny |
Sunny |
Sunny |
Sunny |
Mix of Sun and Cloud |
91°F
|
92°F
64°F |
92°F
63°F |
93°F
64°F |
91°F
67°F |
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| Sumter Detailed Weather Forecast |
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| Sunday, May 17th, 2026 |
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Evening |
Temperature: 75°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 65°F |
| Clear. Slight chance of a thunderstorm. |
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Morning |
Temperature: 76°F |
| Sunny. |
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Afternoon |
Temperature: 91°F |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 73°F |
| Clear. Windy at times. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 63°F |
| Clear. |
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Morning |
Temperature: 75°F |
| Sunny. |
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Afternoon |
Temperature: 91°F |
| Sunny. |
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Evening |
Temperature: 75°F |
| Clear. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 64°F |
| Clear. |
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Morning |
Temperature: 77°F |
| Sunny. |
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Afternoon |
Temperature: 93°F |
| Sunny. |
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Evening |
Temperature: 76°F |
| Clear. Slight chance of a thunderstorm. Windy. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 68°F |
| Clear. |
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Morning |
Temperature: 80°F |
| Mostly sunny. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 89°F |
| Cloudy with sunny periods. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 77°F |
| Mostly cloudy with a chance of showers. Windy at times. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 68°F |
| Mostly clear with a chance of showers. |
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Morning |
Temperature: 78°F |
| Mostly sunny. |
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Afternoon |
Temperature: 90°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 77°F |
| Mostly clear. Windy at times. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 68°F |
| Clear. |
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Morning |
Temperature: 80°F |
| Sunny. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 86°F |
| A mix of sun and cloud with a slight chance of showers or thundershowers. |
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Evening |
Temperature: 72°F |
| A mix of clear and cloudy skies with a few showers. Slight chance of a thunderstorm. Windy at times. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 70°F |
| Mostly clear with showers likely. |
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Morning |
Temperature: 79°F |
| Mostly sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 89°F |
| Mostly sunny. Chance of a thunderstorm. |
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Evening |
Temperature: 71°F |
| Cloudy with periods of rain. Slight chance of a thunderstorm. Windy at times. |
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| Monday, May 25th, 2026 |
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Overnight |
Temperature: 70°F |
| Mostly clear with a few showers. |
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Morning |
Temperature: 78°F |
| Mostly sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 86°F |
| A mix of cloud and sun with a slight chance of showers or thundershowers. |
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Evening |
Temperature: 74°F |
| A mix of cloudy and clear skies with a chance of showers or thundershowers. |
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