Weather in Fort Pierce South, FL
Fort Pierce South, Sunday, 9 August, 18:45
Clear. Feels like 99°. High 91°, low 78°.
Monthly outlook for Fort Pierce South, FL: average high 89.7°, average low 78.6°. That is 1.1° above the climate normal for August. Precipitation is expected on 9 days (about 1.4 inches), against a normal of 13 days and 3.0 inches. The warmest day looks like 22 August (92.4°), the coolest 11 August (75.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 90° | 87.8° | +1.2° |
| 19 August – 28 August | 89.2° | 87.1° | +1.2° |
| 29 August – 7 September | at normal | 86.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Port St. Lucie (9 mi).
0.01
Fort Pierce South, Monday, 10 August
Light rain. High 89°, low 77°.
0Fort Pierce South, Tuesday, 11 August
Clear. High 89°, low 75°.
0.07Fort Pierce South, Wednesday, 12 August
Light rain. High 92°, low 78°.
0.06Fort Pierce South, Thursday, 13 August
Light rain. High 91°, low 79°.
0
Fort Pierce South, Friday, 14 August
Overcast. High 89°, low 78°.
0.19Fort Pierce South, Saturday, 15 August
Light rain. High 87°, low 80°.
0Fort Pierce South, Sunday, 16 August
Overcast. High 90°, low 78°.
0.02Fort Pierce South, Monday, 17 August
Light rain. High 92°, low 78°.
0.22Fort Pierce South, Tuesday, 18 August
Rain. High 89°, low 79°.
0.03Fort Pierce South, Wednesday, 19 August
Light rain. High 87°, low 79°.
0.04Fort Pierce South, Thursday, 20 August
Light rain. High 90°, low 79°.
0.06Fort Pierce South, Friday, 21 August
Light rain. High 90°, low 79°.
0.01Fort Pierce South, Saturday, 22 August
Light rain. High 92°, low 78°.
0.34Fort Pierce South, Sunday, 23 August
Rain. High 88°, low 80°.
0.15Fort Pierce South, Monday, 24 August
Light rain. High 88°, low 81°.
0.2Fort Pierce South, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.2Fort Pierce South, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.16Fort Pierce South, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Fort Pierce South, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Fort Pierce South, Saturday, 29 August
Climate normal for this date — 60-year average.
0.19Fort Pierce South, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16Fort Pierce South, Monday, 31 August
Climate normal for this date — 60-year average.
0.18Fort Pierce South, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.16Fort Pierce South, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.24Fort Pierce South, Thursday, 3 September
Climate normal for this date — 60-year average.
0.23Fort Pierce South, Friday, 4 September
Climate normal for this date — 60-year average.
0.28Fort Pierce South, Saturday, 5 September
Climate normal for this date — 60-year average.
0.22Fort Pierce South, Sunday, 6 September
Climate normal for this date — 60-year average.
0.2Fort Pierce 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 Fort Pierce 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 Fort Pierce 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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