Weather in Demster Beach, NY
Demster Beach, Sunday, 9 August, 04:19
Clear. Feels like 75°. High 84°, low 69°.
Monthly outlook for Demster Beach, NY: average high 75.4°, average low 63°. That is 0.1° above the climate normal for August. Precipitation is expected on 6 days (about 0.8 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 20 August (86.1°), the coolest 16 August (54.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 73.7° | 75.8° | -1.1° |
| 19 August – 28 August | 78.1° | 74.4° | +2.1° |
| 29 August – 7 September | at normal | 73.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — SUNY Oswego (13 mi).
0.22
Demster Beach, Monday, 10 August
Light rain. High 84°, low 67°.
0.01Demster Beach, Tuesday, 11 August
Light rain. High 75°, low 67°.
0.03Demster Beach, Wednesday, 12 August
Light rain. High 77°, low 65°.
0.13Demster Beach, Thursday, 13 August
Light rain. High 69°, low 63°.
0.02Demster Beach, Friday, 14 August
Light rain. High 67°, low 60°.
0
Demster Beach, Saturday, 15 August
Clear. High 71°, low 62°.
0
Demster Beach, Sunday, 16 August
Overcast. High 71°, low 54°.
0.04Demster Beach, Monday, 17 August
Light rain. High 69°, low 58°.
0
Demster Beach, Tuesday, 18 August
Partly cloudy. High 71°, low 59°.
0Demster Beach, Wednesday, 19 August
Overcast. High 75°, low 57°.
0Demster Beach, Thursday, 20 August
Overcast. High 86°, low 62°.
0.13Demster Beach, Friday, 21 August
Light rain. High 81°, low 73°.
0Demster Beach, Saturday, 22 August
Partly cloudy. High 73°, low 64°.
0.08Demster Beach, Sunday, 23 August
Light rain. High 76°, low 63°.
0.15Demster Beach, Monday, 24 August
Light rain. High 78°, low 64°.
0.12
Demster Beach, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Demster Beach, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15Demster Beach, Thursday, 27 August
Climate normal for this date — 60-year average.
0.22Demster Beach, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Demster Beach, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12Demster Beach, Sunday, 30 August
Climate normal for this date — 60-year average.
0.14Demster Beach, Monday, 31 August
Climate normal for this date — 60-year average.
0.07Demster Beach, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.15Demster Beach, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Demster Beach, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Demster Beach, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Demster Beach, Saturday, 5 September
Climate normal for this date — 60-year average.
0.13Demster Beach, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15Demster Beach, 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 Demster Beach, 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 Demster Beach, 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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