Weather in Sylvan Lake, NY
Sylvan Lake, Sunday, 9 August, 03:43
Mostly clear. Feels like 71°. High 84°, low 68°.
Monthly outlook for Sylvan Lake, NY: average high 81.9°, average low 60°. That is 0.8° above the climate normal for August. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 21 August (90°), the coolest 15 August (48.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 79.4° | 81.4° | -1.1° |
| 19 August – 28 August | 86.2° | 79.6° | +3.7° |
| 29 August – 7 September | at normal | 78° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Vassar College (10 mi).
0.07
Sylvan Lake, Monday, 10 August
Light rain. High 83°, low 65°.
0.04Sylvan Lake, Tuesday, 11 August
Light rain. High 87°, low 65°.
0.02Sylvan Lake, Wednesday, 12 August
Light rain. High 76°, low 61°.
0.04Sylvan Lake, Thursday, 13 August
Light rain. High 80°, low 60°.
0
Sylvan Lake, Friday, 14 August
Clear. High 72°, low 52°.
0Sylvan Lake, Saturday, 15 August
Clear. High 76°, low 48°.
0
Sylvan Lake, Sunday, 16 August
Overcast. High 75°, low 50°.
0
Sylvan Lake, Monday, 17 August
Partly cloudy. High 80°, low 54°.
0Sylvan Lake, Tuesday, 18 August
Clear. High 81°, low 56°.
0Sylvan Lake, Wednesday, 19 August
Overcast. High 83°, low 58°.
0Sylvan Lake, Thursday, 20 August
Clear. High 87°, low 61°.
0.04Sylvan Lake, Friday, 21 August
Light rain. High 90°, low 66°.
0.01Sylvan Lake, Saturday, 22 August
Light rain. High 87°, low 69°.
0Sylvan Lake, Sunday, 23 August
Clear. High 89°, low 61°.
0.27Sylvan Lake, Monday, 24 August
Light rain. High 83°, low 66°.
0.08Sylvan Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.07Sylvan Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.18
Sylvan Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Sylvan Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Sylvan Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Sylvan Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Sylvan Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Sylvan Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.14Sylvan Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1Sylvan Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Sylvan Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Sylvan Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.21Sylvan Lake, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Sylvan 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, NY 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, NY 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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