Weather in Rock Rapids, IA
Rock Rapids, Tuesday, 20 October, 11:07
Clear. Feels like 54°. High 68°, low 42°.
Monthly outlook for Rock Rapids, IA: average high 57.4°, average low 40.9°. That is 2.2° above the climate normal for October. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 22 October (72.8°), the coolest 30 October (28.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 58.8° | 55.4° | +1.9° |
| 30 October – 8 November | 55.1° | 49.5° | +3.1° |
| 9 November – 18 November | at normal | 43.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ellsworth (10 mi).
0Rock Rapids, Wednesday, 21 October
Clear. High 72°, low 47°.
0Rock Rapids, Thursday, 22 October
Clear. High 73°, low 51°.
0
Rock Rapids, Friday, 23 October
Overcast. High 73°, low 57°.
0.39
Rock Rapids, Saturday, 24 October
Rain. High 63°, low 52°.
0.09Rock Rapids, Sunday, 25 October
Light rain. High 55°, low 44°.
0.1Rock Rapids, Monday, 26 October
Light rain. High 44°, low 35°.
0
Rock Rapids, Tuesday, 27 October
Partly cloudy. High 39°, low 30°.
0Rock Rapids, Wednesday, 28 October
Clear. High 53°, low 29°.
0Rock Rapids, Thursday, 29 October
Clear. High 48°, low 31°.
0Rock Rapids, Friday, 30 October
Clear. High 45°, low 28°.
0Rock Rapids, Saturday, 31 October
Overcast. High 57°, low 35°.
0Rock Rapids, Sunday, 1 November
Clear. High 51°, low 34°.
0
Rock Rapids, Monday, 2 November
Mostly clear. High 58°, low 37°.
0.14Rock Rapids, Tuesday, 3 November
Light rain. High 57°, low 53°.
0Rock Rapids, Wednesday, 4 November
Overcast. High 63°, low 48°.
0.05Rock Rapids, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Rock Rapids, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Rock Rapids, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Rock Rapids, Sunday, 8 November
Climate normal for this date — 60-year average.
0.15Rock Rapids, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Rock Rapids, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Rock Rapids, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Rock Rapids, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Rock Rapids, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Rock Rapids, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Rock Rapids, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1Rock Rapids, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Rock Rapids, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Rock Rapids, Wednesday, 18 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 Rock Rapids, IA 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 Rock Rapids, IA 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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