Weather in St. Augustine South, FL
St. Augustine South, Sunday, 9 August, 06:47
Overcast. Feels like 77°. High 91°, low 76°.
Monthly outlook for St. Augustine South, FL: average high 90.6°, average low 76.8°. That is 2.4° above the climate normal for August. Precipitation is expected on 10 days (about 2.1 inches), against a normal of 11 days and 2.8 inches. The warmest day looks like 12 August (95.6°), the coolest 19 August (74.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 92.3° | 86.4° | +3.3° |
| 19 August – 28 August | 87.7° | 85.7° | +1.1° |
| 29 August – 7 September | at normal | 84.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Marineland (14 mi).
0.02
St. Augustine South, Monday, 10 August
Light rain. High 91°, low 76°.
0.12St. Augustine South, Tuesday, 11 August
Rain. High 94°, low 75°.
0.06St. Augustine South, Wednesday, 12 August
Light rain. High 96°, low 78°.
0St. Augustine South, Thursday, 13 August
Overcast. High 95°, low 79°.
0.02St. Augustine South, Friday, 14 August
Light rain. High 95°, low 79°.
0.06St. Augustine South, Saturday, 15 August
Light rain. High 94°, low 77°.
0.05St. Augustine South, Sunday, 16 August
Light rain. High 89°, low 79°.
0.22St. Augustine South, Monday, 17 August
Rain. High 89°, low 78°.
0.74St. Augustine South, Tuesday, 18 August
Rain. High 89°, low 75°.
0.12St. Augustine South, Wednesday, 19 August
Light rain. High 88°, low 74°.
0.26St. Augustine South, Thursday, 20 August
Light rain. High 87°, low 76°.
0.07St. Augustine South, Friday, 21 August
Light rain. High 87°, low 77°.
0
St. Augustine South, Saturday, 22 August
Clear. High 88°, low 77°.
0
St. Augustine South, Sunday, 23 August
Partly cloudy. High 88°, low 78°.
0St. Augustine South, Monday, 24 August
Overcast. High 87°, low 78°.
0.19St. Augustine South, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15St. Augustine South, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15St. Augustine South, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15St. Augustine South, Friday, 28 August
Climate normal for this date — 60-year average.
0.21St. Augustine South, Saturday, 29 August
Climate normal for this date — 60-year average.
0.19St. Augustine South, Sunday, 30 August
Climate normal for this date — 60-year average.
0.21St. Augustine South, Monday, 31 August
Climate normal for this date — 60-year average.
0.17St. Augustine South, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.2St. Augustine South, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.17St. Augustine South, Thursday, 3 September
Climate normal for this date — 60-year average.
0.28St. Augustine South, Friday, 4 September
Climate normal for this date — 60-year average.
0.24St. Augustine South, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2St. Augustine South, Sunday, 6 September
Climate normal for this date — 60-year average.
0.2St. Augustine South, Monday, 7 September
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 St. Augustine South, FL 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 St. Augustine South, FL 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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