Weather in Sylvan Lake, FL
Sylvan Lake, Sunday, 9 August, 01:33
Overcast. Feels like 79°. High 91°, low 76°.
Monthly outlook for Sylvan Lake, FL: average high 97.9°, average low 78.4°. That is 5.5° above the climate normal for August. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 13 days and 3.9 inches. The warmest day looks like 21 August (106.2°), the coolest 19 August (74.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 96.7° | 88.2° | +4.7° |
| 19 August – 28 August | 99.8° | 87.5° | +6.9° |
| 29 August – 7 September | at normal | 86.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Deltona (12 mi).
0Sylvan Lake, Monday, 10 August
Overcast. High 99°, low 76°.
0
Sylvan Lake, Tuesday, 11 August
Light rain. High 96°, low 79°.
0
Sylvan Lake, Wednesday, 12 August
Clear. High 97°, low 81°.
0Sylvan Lake, Thursday, 13 August
Clear. High 97°, low 79°.
0Sylvan Lake, Friday, 14 August
Overcast. High 98°, low 77°.
0.04Sylvan Lake, Saturday, 15 August
Light rain. High 100°, low 80°.
0.01Sylvan Lake, Sunday, 16 August
Light rain. High 95°, low 77°.
0
Sylvan Lake, Monday, 17 August
Partly cloudy. High 96°, low 78°.
0.17Sylvan Lake, Tuesday, 18 August
Rain. High 97°, low 79°.
0.62Sylvan Lake, Wednesday, 19 August
Rain. High 98°, low 75°.
0Sylvan Lake, Thursday, 20 August
Partly cloudy. High 98°, low 76°.
0Sylvan Lake, Friday, 21 August
Partly cloudy. High 106°, low 82°.
0Sylvan Lake, Saturday, 22 August
Clear. High 100°, low 81°.
0
Sylvan Lake, Sunday, 23 August
Mostly clear. High 98°, low 80°.
0Sylvan Lake, Monday, 24 August
Clear. High 99°, low 79°.
0.23Sylvan Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.21Sylvan Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.21Sylvan Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.19Sylvan Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.2Sylvan Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.21Sylvan Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.22Sylvan Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.24Sylvan Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.22Sylvan Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.2Sylvan Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.23Sylvan Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.3Sylvan Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.25Sylvan Lake, Sunday, 6 September
Climate normal for this date — 60-year average.
0.25Sylvan Lake, 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 Sylvan Lake, 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 Sylvan Lake, 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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