Weather in Rock Rapids, IA
Rock Rapids, Saturday, 17 October, 10:27
Clear. Feels like 37°. High 57°, low 33°.
Monthly outlook for Rock Rapids, IA: average high 64.2°, average low 46°. That is 5.1° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 23 October (75.4°), the coolest 17 October (33.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 66.5° | 56.5° | +5.5° |
| 27 October – 5 November | 60.4° | 51° | +5.2° |
| 6 November – 15 November | at normal | 45° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ellsworth (10 mi).
0Rock Rapids, Sunday, 18 October
Clear. High 64°, low 43°.
0
Rock Rapids, Monday, 19 October
Overcast. High 62°, low 43°.
0Rock Rapids, Tuesday, 20 October
Clear. High 66°, low 47°.
0Rock Rapids, Wednesday, 21 October
Clear. High 70°, low 50°.
0
Rock Rapids, Thursday, 22 October
Mostly clear. High 72°, low 49°.
0.03
Rock Rapids, Friday, 23 October
Light rain. High 75°, low 58°.
0.01Rock Rapids, Saturday, 24 October
Light rain. High 73°, low 49°.
0Rock Rapids, Sunday, 25 October
Mostly clear. High 60°, low 49°.
0.21Rock Rapids, Monday, 26 October
Light rain. High 66°, low 45°.
0.17Rock Rapids, Tuesday, 27 October
Rain. High 71°, low 58°.
0.02Rock Rapids, Wednesday, 28 October
Light rain. High 63°, low 48°.
0Rock Rapids, Thursday, 29 October
Overcast. High 59°, low 42°.
0.29Rock Rapids, Friday, 30 October
Light rain. High 65°, low 47°.
0.02
Rock Rapids, Saturday, 31 October
Light snow. High 46°, low 36°.
0Rock Rapids, Sunday, 1 November
Overcast. High 58°, low 37°.
0.04Rock Rapids, Monday, 2 November
Climate normal for this date — 60-year average.
0.05
Rock Rapids, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Rock Rapids, Wednesday, 4 November
Climate normal for this date — 60-year average.
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.
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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