Weather in Rotterdam, NY
Rotterdam, Wednesday, 21 October, 04:25
Clear. Feels like 37°. High 62°, low 36°.
Monthly outlook for Rotterdam, NY: average high 53.8°, average low 38.3°. That is 0.5° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 22 October (65.8°), the coolest 31 October (28.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 55.6° | 55.4° | +0.1° |
| 31 October – 9 November | 50.7° | 52.1° | -0.8° |
| 10 November – 19 November | at normal | 46.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Schenectady (4 mi).
0
Rotterdam, Thursday, 22 October
Mostly clear. High 66°, low 28°.
0
Rotterdam, Friday, 23 October
Clear. High 53°, low 36°.
0Rotterdam, Saturday, 24 October
Clear. High 55°, low 31°.
0Rotterdam, Sunday, 25 October
Clear. High 59°, low 31°.
0Rotterdam, Monday, 26 October
Mostly clear. High 62°, low 36°.
0
Rotterdam, Tuesday, 27 October
Overcast. High 52°, low 43°.
0.02
Rotterdam, Wednesday, 28 October
Light rain. High 44°, low 41°.
0.12Rotterdam, Thursday, 29 October
Light rain. High 57°, low 45°.
0.01Rotterdam, Friday, 30 October
Light rain. High 45°, low 35°.
0Rotterdam, Saturday, 31 October
Clear. High 43°, low 28°.
0Rotterdam, Sunday, 1 November
Overcast. High 46°, low 28°.
0.26Rotterdam, Monday, 2 November
Rain. High 48°, low 42°.
0.09Rotterdam, Tuesday, 3 November
Light rain. High 56°, low 50°.
0.11Rotterdam, Wednesday, 4 November
Light rain. High 54°, low 51°.
0Rotterdam, Thursday, 5 November
Overcast. High 57°, low 51°.
0.11
Rotterdam, Friday, 6 November
Climate normal for this date — 60-year average.
0.08
Rotterdam, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Rotterdam, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Rotterdam, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Rotterdam, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.14Rotterdam, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.14Rotterdam, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Rotterdam, Friday, 13 November
Climate normal for this date — 60-year average.
0.14Rotterdam, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Rotterdam, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Rotterdam, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Rotterdam, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Rotterdam, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Rotterdam, Thursday, 19 November
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 Rotterdam, 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 Rotterdam, 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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