Weather in Green Castle, IA
Green Castle, Sunday, 25 October, 08:16
Overcast. Feels like 49°. High 73°, low 50°.
Monthly outlook for Green Castle, IA: average high 63.3°, average low 50.3°. That is 4.9° above the climate normal for October. Precipitation is expected on 7 days (about 1.8 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 28 October (73.4°), the coolest 8 November (37.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 67.5° | 55.7° | +6.5° |
| 4 November – 13 November | 56.1° | 50.3° | +3.2° |
| 14 November – 23 November | at normal | 46.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mitchellville (8 mi).
0.04
Green Castle, Monday, 26 October
Rain. High 70°, low 50°.
0.17Green Castle, Tuesday, 27 October
Rain. High 68°, low 56°.
0
Green Castle, Wednesday, 28 October
Partly cloudy. High 73°, low 57°.
0.18Green Castle, Thursday, 29 October
Light rain. High 68°, low 56°.
0.27Green Castle, Friday, 30 October
Rain. High 66°, low 57°.
0.19Green Castle, Saturday, 31 October
Light rain. High 63°, low 58°.
0.04Green Castle, Sunday, 1 November
Light rain. High 66°, low 58°.
0.12Green Castle, Monday, 2 November
Light rain. High 68°, low 60°.
0Green Castle, Tuesday, 3 November
Overcast. High 60°, low 47°.
0
Green Castle, Wednesday, 4 November
Clear. High 55°, low 41°.
0Green Castle, Thursday, 5 November
Overcast. High 62°, low 42°.
0Green Castle, Friday, 6 November
Overcast. High 63°, low 46°.
0
Green Castle, Saturday, 7 November
Mostly clear. High 51°, low 41°.
0.02Green Castle, Sunday, 8 November
Light rain. High 53°, low 37°.
0.74Green Castle, Monday, 9 November
Rain. High 53°, low 48°.
0.08Green Castle, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Green Castle, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Green Castle, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Green Castle, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Green Castle, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Green Castle, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Green Castle, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Green Castle, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Green Castle, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Green Castle, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Green Castle, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Green Castle, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Green Castle, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1Green Castle, Monday, 23 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 Green Castle, 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 Green Castle, 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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