Weather in Green Castle, IA
Green Castle, Sunday, 25 October, 16:43
Overcast. Feels like 68°. High 70°, low 51°.
Monthly outlook for Green Castle, IA: average high 63.1°, average low 50.9°. That is 4.9° above the climate normal for October. Precipitation is expected on 7 days (about 1.1 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 28 October (70.6°), the coolest 9 November (39.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 66.6° | 55.7° | +6° |
| 4 November – 13 November | 57.3° | 50.3° | +3.9° |
| 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
Green Castle, Monday, 26 October
Light rain. High 70°, low 51°.
0.05Green Castle, Tuesday, 27 October
Light rain. High 69°, low 54°.
0.04Green Castle, Wednesday, 28 October
Light rain. High 71°, low 56°.
0.2Green Castle, Thursday, 29 October
Rain. High 68°, low 55°.
0.36Green Castle, Friday, 30 October
Rain. High 66°, low 49°.
0.23Green Castle, Saturday, 31 October
Light rain. High 61°, low 56°.
0Green Castle, Sunday, 1 November
Overcast. High 65°, low 54°.
0Green Castle, Monday, 2 November
Overcast. High 62°, low 52°.
0Green Castle, Tuesday, 3 November
Overcast. High 65°, low 55°.
0.07Green Castle, Wednesday, 4 November
Light rain. High 59°, low 54°.
0Green Castle, Thursday, 5 November
Overcast. High 59°, low 45°.
0Green Castle, Friday, 6 November
Overcast. High 57°, low 43°.
0.17Green Castle, Saturday, 7 November
Light rain. High 63°, low 52°.
0
Green Castle, Sunday, 8 November
Clear. High 58°, low 47°.
0.01Green Castle, Monday, 9 November
Light rain. High 49°, low 40°.
0.08
Green 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.
0.03
Green 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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