Weather in Glen St. Mary, FL
Glen St. Mary, Sunday, 9 August, 10:39
Overcast. Feels like 97°. High 86°, low 73°.
Monthly outlook for Glen St. Mary, FL: average high 96.5°, average low 75.6°. That is 4.3° above the climate normal for August. Precipitation is expected on 12 days (about 3.7 inches), against a normal of 11 days and 3.1 inches. The warmest day looks like 17 August (102.3°), the coolest 9 August (73.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 97° | 88.9° | +4.5° |
| 19 August – 28 August | 95.5° | 88.4° | +3.9° |
| 29 August – 7 September | at normal | 87° | — |
August records over 66 years
0.1
Glen St. Mary, Monday, 10 August
Rain. High 89°, low 73°.
0
Glen St. Mary, Tuesday, 11 August
Partly cloudy. High 99°, low 76°.
0.04Glen St. Mary, Wednesday, 12 August
Light rain. High 99°, low 78°.
0.14Glen St. Mary, Thursday, 13 August
Light rain. High 99°, low 78°.
0.13Glen St. Mary, Friday, 14 August
Light rain. High 97°, low 76°.
0.05Glen St. Mary, Saturday, 15 August
Light rain. High 99°, low 76°.
0.09Glen St. Mary, Sunday, 16 August
Light rain. High 100°, low 78°.
0.44Glen St. Mary, Monday, 17 August
Rain. High 102°, low 74°.
0.3Glen St. Mary, Tuesday, 18 August
Rain. High 100°, low 73°.
1.57Glen St. Mary, Wednesday, 19 August
Heavy rain. High 95°, low 75°.
0.01Glen St. Mary, Thursday, 20 August
Light rain. High 94°, low 76°.
0.17Glen St. Mary, Friday, 21 August
Rain. High 98°, low 75°.
0.12Glen St. Mary, Saturday, 22 August
Light rain. High 95°, low 75°.
0.02Glen St. Mary, Sunday, 23 August
Light rain. High 97°, low 77°.
0.07Glen St. Mary, Monday, 24 August
Light rain. High 95°, low 75°.
0.19Glen St. Mary, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16Glen St. Mary, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18Glen St. Mary, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Glen St. Mary, Friday, 28 August
Climate normal for this date — 60-year average.
0.18Glen St. Mary, Saturday, 29 August
Climate normal for this date — 60-year average.
0.24Glen St. Mary, Sunday, 30 August
Climate normal for this date — 60-year average.
0.2Glen St. Mary, Monday, 31 August
Climate normal for this date — 60-year average.
0.2Glen St. Mary, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.18Glen St. Mary, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.18Glen St. Mary, Thursday, 3 September
Climate normal for this date — 60-year average.
0.17Glen St. Mary, Friday, 4 September
Climate normal for this date — 60-year average.
0.2Glen St. Mary, Saturday, 5 September
Climate normal for this date — 60-year average.
0.27Glen St. Mary, Sunday, 6 September
Climate normal for this date — 60-year average.
0.24Glen St. Mary, 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 Glen St. Mary, 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 Glen St. Mary, 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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