Weather in Port St. John, FL
Port St. John, Sunday, 1 November, 20:16
Rain. Feels like 73°. High 79°, low 72°.
Monthly outlook for Port St. John, FL: average high 80.2°, average low 65.4°. That is 2.6° above the climate normal for November. Precipitation is expected on 5 days (about 1.7 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 5 November (84.2°), the coolest 12 November (56.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 81.3° | 76.2° | +2.9° |
| 11 November – 20 November | 78.4° | 74.5° | +2.2° |
| 21 November – 30 November | at normal | 73.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Tropical Park (8 mi).
1.07Port St. John, Monday, 2 November
Rain. High 80°, low 71°.
0.12Port St. John, Tuesday, 3 November
Rain. High 84°, low 73°.
0.06Port St. John, Wednesday, 4 November
Light rain. High 83°, low 72°.
0
Port St. John, Thursday, 5 November
Overcast. High 84°, low 67°.
0
Port St. John, Friday, 6 November
Partly cloudy. High 84°, low 66°.
0
Port St. John, Saturday, 7 November
Mostly clear. High 82°, low 66°.
0Port St. John, Sunday, 8 November
Partly cloudy. High 80°, low 66°.
0.02Port St. John, Monday, 9 November
Light rain. High 82°, low 68°.
0.08Port St. John, Tuesday, 10 November
Light rain. High 75°, low 66°.
0Port St. John, Wednesday, 11 November
Partly cloudy. High 74°, low 61°.
0
Port St. John, Thursday, 12 November
Clear. High 78°, low 57°.
0.02Port St. John, Friday, 13 November
Light rain. High 76°, low 58°.
0Port St. John, Saturday, 14 November
Overcast. High 78°, low 61°.
0Port St. John, Sunday, 15 November
Clear. High 82°, low 63°.
0Port St. John, Monday, 16 November
Overcast. High 82°, low 60°.
0.07Port St. John, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Port St. John, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Port St. John, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09
Port St. John, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Port St. John, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06Port St. John, Sunday, 22 November
Climate normal for this date — 60-year average.
0.12Port St. John, Monday, 23 November
Climate normal for this date — 60-year average.
0.03Port St. John, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06Port St. John, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06Port St. John, Thursday, 26 November
Climate normal for this date — 60-year average.
0.03Port St. John, Friday, 27 November
Climate normal for this date — 60-year average.
0.06Port St. John, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Port St. John, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Port St. John, Monday, 30 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 Port St. John, 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 Port St. John, 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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