Weather in St. James City, FL
St. James City, Sunday, 9 August, 14:11
Clear. Feels like 103°. High 91°, low 77°.
Monthly outlook for St. James City, FL: average high 87.1°, average low 81.6°. That is 0° above the climate normal for August. Precipitation is expected on 12 days (about 3.4 inches), against a normal of 12 days and 2.6 inches. The warmest day looks like 9 August (90.8°), the coolest 23 August (75.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 87.6° | 87.1° | +0.3° |
| 19 August – 28 August | 86.3° | 87.1° | -0.4° |
| 29 August – 7 September | at normal | 86.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sanibel (7 mi).
0.04
St. James City, Monday, 10 August
Light rain. High 89°, low 77°.
0.04St. James City, Tuesday, 11 August
Light rain. High 87°, low 78°.
0.01St. James City, Wednesday, 12 August
Light rain. High 87°, low 84°.
0.02St. James City, Thursday, 13 August
Light rain. High 86°, low 83°.
0.05St. James City, Friday, 14 August
Light rain. High 86°, low 83°.
0.15St. James City, Saturday, 15 August
Light rain. High 87°, low 83°.
0.04St. James City, Sunday, 16 August
Light rain. High 87°, low 84°.
0.29St. James City, Monday, 17 August
Rain. High 88°, low 83°.
0.11St. James City, Tuesday, 18 August
Light rain. High 87°, low 84°.
0.07St. James City, Wednesday, 19 August
Light rain. High 86°, low 85°.
0.06St. James City, Thursday, 20 August
Light rain. High 85°, low 84°.
0
St. James City, Friday, 21 August
Overcast. High 85°, low 83°.
0.12St. James City, Saturday, 22 August
Light rain. High 86°, low 83°.
2.04St. James City, Sunday, 23 August
Heavy rain. High 89°, low 76°.
0.29St. James City, Monday, 24 August
Rain. High 87°, low 80°.
0.19St. James City, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.21St. James City, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18St. James City, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17St. James City, Friday, 28 August
Climate normal for this date — 60-year average.
0.16St. James City, Saturday, 29 August
Climate normal for this date — 60-year average.
0.22St. James City, Sunday, 30 August
Climate normal for this date — 60-year average.
0.21St. James City, Monday, 31 August
Climate normal for this date — 60-year average.
0.18St. James City, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.2St. James City, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.17St. James City, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13St. James City, Friday, 4 September
Climate normal for this date — 60-year average.
0.2St. James City, Saturday, 5 September
Climate normal for this date — 60-year average.
0.22St. James City, Sunday, 6 September
Climate normal for this date — 60-year average.
0.2St. James City, 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. James City, 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. James City, 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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