Weather in Green Castle, IA
Green Castle, Wednesday, 11 November, 15:13
Partly cloudy. Feels like 57°. High 59°, low 44°.
Monthly outlook for Green Castle, IA: average high 45.6°, average low 30.6°. That is 0.2° below the climate normal for November. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 20 November (59.3°), the coolest 23 November (13.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 50.3° | 47.5° | +1.6° |
| 21 November – 30 November | 37.8° | 42° | -2.3° |
| 1 December – 10 December | at normal | 36° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Mitchellville (8 mi).
0
Green Castle, Thursday, 12 November
Overcast. High 46°, low 35°.
0
Green Castle, Friday, 13 November
Mostly clear. High 42°, low 28°.
0
Green Castle, Saturday, 14 November
Clear. High 42°, low 25°.
0Green Castle, Sunday, 15 November
Clear. High 47°, low 27°.
0Green Castle, Monday, 16 November
Clear. High 51°, low 29°.
0Green Castle, Tuesday, 17 November
Overcast. High 52°, low 36°.
0Green Castle, Wednesday, 18 November
Partly cloudy. High 55°, low 37°.
0.02
Green Castle, Thursday, 19 November
Light rain. High 50°, low 44°.
0.02Green Castle, Friday, 20 November
Light rain. High 59°, low 48°.
0Green Castle, Saturday, 21 November
Overcast. High 58°, low 48°.
0.75
Green Castle, Sunday, 22 November
Snow. High 43°, low 22°.
0Green Castle, Monday, 23 November
Overcast. High 31°, low 13°.
0Green Castle, Tuesday, 24 November
Clear. High 26°, low 15°.
0Green Castle, Wednesday, 25 November
Mostly clear. High 33°, low 14°.
0Green Castle, Thursday, 26 November
Mostly clear. High 36°, low 23°.
0.09
Green Castle, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Green Castle, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Green Castle, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Green Castle, Monday, 30 November
Climate normal for this date — 60-year average.
0.08Green Castle, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.04Green Castle, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.07Green Castle, Thursday, 3 December
Climate normal for this date — 60-year average.
0.04Green Castle, Friday, 4 December
Climate normal for this date — 60-year average.
0.06Green Castle, Saturday, 5 December
Climate normal for this date — 60-year average.
0.05Green Castle, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06Green Castle, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Green Castle, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.04Green Castle, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.04Green Castle, Thursday, 10 December
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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