Weather in Sumter, GA
Sumter, Thursday, 8 October, 12:56
Overcast. Feels like 79°. High 82°, low 61°.
Monthly outlook for Sumter, GA: average high 81°, average low 63.5°. That is 2.4° above the climate normal for October. Precipitation is expected on 2 days (about 3.4 inches), against a normal of 3 days and 1.2 inches. The warmest day looks like 14 October (88.4°), the coolest 19 October (56.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 83.3° | 77.8° | +3° |
| 18 October – 27 October | 77.3° | 74.4° | +1.6° |
| 28 October – 6 November | at normal | 71.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Parrott (15 mi).
0.72
Sumter, Friday, 9 October
Rain. High 74°, low 60°.
2.54Sumter, Saturday, 10 October
Heavy rain. High 76°, low 60°.
0.02Sumter, Sunday, 11 October
Light rain. High 81°, low 64°.
0
Sumter, Monday, 12 October
Clear. High 85°, low 62°.
0Sumter, Tuesday, 13 October
Clear. High 87°, low 64°.
0
Sumter, Wednesday, 14 October
Mostly clear. High 88°, low 67°.
0Sumter, Thursday, 15 October
Mostly clear. High 88°, low 71°.
0Sumter, Friday, 16 October
Clear. High 83°, low 67°.
0Sumter, Saturday, 17 October
Clear. High 87°, low 66°.
0.01Sumter, Sunday, 18 October
Light rain. High 73°, low 61°.
0Sumter, Monday, 19 October
Overcast. High 74°, low 57°.
0Sumter, Tuesday, 20 October
Overcast. High 77°, low 61°.
0.04Sumter, Wednesday, 21 October
Light rain. High 75°, low 65°.
0.01Sumter, Thursday, 22 October
Light rain. High 81°, low 65°.
0.01Sumter, Friday, 23 October
Light rain. High 83°, low 67°.
0.15
Sumter, Saturday, 24 October
Climate normal for this date — 60-year average.
0.09Sumter, Sunday, 25 October
Climate normal for this date — 60-year average.
0.08Sumter, Monday, 26 October
Climate normal for this date — 60-year average.
0.11Sumter, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.08Sumter, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.11Sumter, Thursday, 29 October
Climate normal for this date — 60-year average.
0.08Sumter, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Sumter, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Sumter, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Sumter, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Sumter, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Sumter, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Sumter, Thursday, 5 November
Climate normal for this date — 60-year average.
0.05Sumter, Friday, 6 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Sumter, GA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Sumter, GA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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