Weather in Port St. John, FL
Port St. John, Sunday, 15 November, 11:57
Clear. Feels like 71°. High 71°, low 50°.
Monthly outlook for Port St. John, FL: average high 75.3°, average low 62°. That is 0.9° above the climate normal for November. Precipitation is expected on 8 days (about 5.9 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 27 November (80.1°), the coolest 15 November (49.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 74.9° | 73.9° | +0.5° |
| 25 November – 4 December | 76.1° | 73.1° | +1.7° |
| 5 December – 14 December | at normal | 71.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Tropical Park (8 mi).
0.02
Port St. John, Monday, 16 November
Light rain. High 76°, low 61°.
0.13Port St. John, Tuesday, 17 November
Rain. High 75°, low 63°.
0.12Port St. John, Wednesday, 18 November
Light rain. High 77°, low 63°.
0.15Port St. John, Thursday, 19 November
Light rain. High 78°, low 66°.
0.13Port St. John, Friday, 20 November
Light rain. High 79°, low 66°.
4.11Port St. John, Saturday, 21 November
Heavy rain. High 73°, low 65°.
0.02Port St. John, Sunday, 22 November
Light rain. High 70°, low 60°.
0Port St. John, Monday, 23 November
Clear. High 73°, low 54°.
0
Port St. John, Tuesday, 24 November
Overcast. High 76°, low 56°.
0.02Port St. John, Wednesday, 25 November
Light rain. High 75°, low 65°.
0.69Port St. John, Thursday, 26 November
Rain. High 75°, low 70°.
0.23Port St. John, Friday, 27 November
Light rain. High 80°, low 68°.
0.21Port St. John, Saturday, 28 November
Rain. High 74°, low 65°.
0.02Port St. John, Sunday, 29 November
Light rain. High 75°, low 59°.
0Port St. John, Monday, 30 November
Overcast. High 77°, low 60°.
0.02
Port St. John, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.03Port St. John, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.03Port St. John, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Port St. John, Friday, 4 December
Climate normal for this date — 60-year average.
0.06
Port St. John, Saturday, 5 December
Climate normal for this date — 60-year average.
0.04Port St. John, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06Port St. John, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Port St. John, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Port St. John, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.07Port St. John, Thursday, 10 December
Climate normal for this date — 60-year average.
0.04Port St. John, Friday, 11 December
Climate normal for this date — 60-year average.
0.07Port St. John, Saturday, 12 December
Climate normal for this date — 60-year average.
0.06Port St. John, Sunday, 13 December
Climate normal for this date — 60-year average.
0.09Port St. John, Monday, 14 December
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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