Weather in Shelby, IA
Shelby, Tuesday, 20 October, 08:09
Clear. Feels like 40°. High 69°, low 44°.
Monthly outlook for Shelby, IA: average high 57.8°, average low 42.8°. That is 0.1° below the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 24 October (73.4°), the coolest 28 October (27.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 60.4° | 59.9° | +0.3° |
| 30 October – 8 November | 53.5° | 54.3° | -0.4° |
| 9 November – 18 November | at normal | 49.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Oakland (14 mi).
0Shelby, Wednesday, 21 October
Clear. High 72°, low 49°.
0Shelby, Thursday, 22 October
Clear. High 72°, low 50°.
0
Shelby, Friday, 23 October
Overcast. High 71°, low 54°.
0.05
Shelby, Saturday, 24 October
Light rain. High 73°, low 57°.
0.19Shelby, Sunday, 25 October
Light rain. High 64°, low 52°.
1.29Shelby, Monday, 26 October
Heavy rain. High 51°, low 41°.
0Shelby, Tuesday, 27 October
Overcast. High 42°, low 33°.
0Shelby, Wednesday, 28 October
Clear. High 45°, low 27°.
0Shelby, Thursday, 29 October
Overcast. High 46°, low 35°.
0Shelby, Friday, 30 October
Overcast. High 51°, low 37°.
0
Shelby, Saturday, 31 October
Partly cloudy. High 53°, low 39°.
0Shelby, Sunday, 1 November
Overcast. High 50°, low 40°.
0.16Shelby, Monday, 2 November
Light rain. High 49°, low 42°.
0Shelby, Tuesday, 3 November
Clear. High 59°, low 42°.
0Shelby, Wednesday, 4 November
Partly cloudy. High 61°, low 42°.
0.06Shelby, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04
Shelby, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Shelby, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Shelby, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Shelby, Monday, 9 November
Climate normal for this date — 60-year average.
0.08Shelby, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Shelby, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Shelby, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Shelby, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Shelby, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Shelby, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Shelby, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Shelby, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Shelby, 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 Shelby, 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 Shelby, 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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