Weather in St. Petersburg, FL
St. Petersburg, Sunday, 9 August, 10:54
Overcast. Feels like 100°. High 90°, low 76°.
Monthly outlook for St. Petersburg, FL: average high 88.5°, average low 82.1°. That is 1.4° above the climate normal for August. Precipitation is expected on 8 days (about 0.6 inches), against a normal of 12 days and 3.3 inches. The warmest day looks like 10 August (91.2°), the coolest 9 August (75.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89.1° | 85.9° | +1.8° |
| 19 August – 28 August | 87.4° | 86.1° | +0.7° |
| 29 August – 7 September | at normal | 85.5° | — |
August records over 66 years
0St. Petersburg, Monday, 10 August
Overcast. High 91°, low 76°.
0.04
St. Petersburg, Tuesday, 11 August
Light rain. High 89°, low 78°.
0St. Petersburg, Wednesday, 12 August
Light rain. High 88°, low 85°.
0
St. Petersburg, Thursday, 13 August
Clear. High 88°, low 84°.
0
St. Petersburg, Friday, 14 August
Partly cloudy. High 89°, low 83°.
0St. Petersburg, Saturday, 15 August
Overcast. High 90°, low 82°.
0.06St. Petersburg, Sunday, 16 August
Light rain. High 90°, low 84°.
0.09St. Petersburg, Monday, 17 August
Light rain. High 88°, low 83°.
0.07St. Petersburg, Tuesday, 18 August
Light rain. High 89°, low 84°.
0.07St. Petersburg, Wednesday, 19 August
Light rain. High 87°, low 85°.
0.07St. Petersburg, Thursday, 20 August
Light rain. High 86°, low 84°.
0.04St. Petersburg, Friday, 21 August
Light rain. High 85°, low 84°.
0.03St. Petersburg, Saturday, 22 August
Light rain. High 88°, low 83°.
0.02St. Petersburg, Sunday, 23 August
Light rain. High 90°, low 81°.
0.07St. Petersburg, Monday, 24 August
Light rain. High 88°, low 80°.
0.17St. Petersburg, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.21St. Petersburg, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.17St. Petersburg, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16St. Petersburg, Friday, 28 August
Climate normal for this date — 60-year average.
0.24St. Petersburg, Saturday, 29 August
Climate normal for this date — 60-year average.
0.19St. Petersburg, Sunday, 30 August
Climate normal for this date — 60-year average.
0.21St. Petersburg, Monday, 31 August
Climate normal for this date — 60-year average.
0.25St. Petersburg, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15St. Petersburg, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.19St. Petersburg, Thursday, 3 September
Climate normal for this date — 60-year average.
0.19St. Petersburg, Friday, 4 September
Climate normal for this date — 60-year average.
0.26St. Petersburg, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2St. Petersburg, Sunday, 6 September
Climate normal for this date — 60-year average.
0.25St. Petersburg, 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. Petersburg, 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. Petersburg, 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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