Weather in St. Marks, FL
St. Marks, Friday, 16 October, 10:04
Clear. Feels like 79°. High 87°, low 66°.
Monthly outlook for St. Marks, FL: average high 76.8°, average low 58.9°. That is 0.5° below the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 16 October (87.4°), the coolest 20 October (47.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 75.8° | 78.2° | -1.3° |
| 26 October – 4 November | 78.3° | 75.8° | +1.4° |
| 5 November – 14 November | at normal | 72.2° | — |
October records over 66 years
0
St. Marks, Saturday, 17 October
Overcast. High 73°, low 61°.
0St. Marks, Sunday, 18 October
Clear. High 68°, low 54°.
0St. Marks, Monday, 19 October
Clear. High 72°, low 52°.
0St. Marks, Tuesday, 20 October
Clear. High 76°, low 47°.
0St. Marks, Wednesday, 21 October
Clear. High 78°, low 49°.
0St. Marks, Thursday, 22 October
Clear. High 75°, low 54°.
0St. Marks, Friday, 23 October
Clear. High 77°, low 55°.
0St. Marks, Saturday, 24 October
Clear. High 78°, low 58°.
0St. Marks, Sunday, 25 October
Clear. High 74°, low 57°.
0St. Marks, Monday, 26 October
Overcast. High 65°, low 61°.
0St. Marks, Tuesday, 27 October
Overcast. High 79°, low 62°.
0St. Marks, Wednesday, 28 October
Overcast. High 81°, low 65°.
0.01
St. Marks, Thursday, 29 October
Light rain. High 82°, low 67°.
0.09St. Marks, Friday, 30 October
Light rain. High 80°, low 68°.
0St. Marks, Saturday, 31 October
Clear. High 83°, low 66°.
0.07
St. Marks, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04St. Marks, Monday, 2 November
Climate normal for this date — 60-year average.
0.06
St. Marks, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.14St. Marks, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04St. Marks, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07St. Marks, Friday, 6 November
Climate normal for this date — 60-year average.
0.09St. Marks, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04St. Marks, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12St. Marks, Monday, 9 November
Climate normal for this date — 60-year average.
0.11St. Marks, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06St. Marks, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07St. Marks, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08St. Marks, Friday, 13 November
Climate normal for this date — 60-year average.
0.09St. Marks, Saturday, 14 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 St. Marks, 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. Marks, 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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