Weather in Castana, IA
Castana, Thursday, 22 October, 16:22
Overcast. Feels like 78°. High 78°, low 51°.
Monthly outlook for Castana, IA: average high 60.6°, average low 47.7°. That is 2.5° above the climate normal for October. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 22 October (78°), the coolest 31 October (36.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 64.7° | 58° | +3.7° |
| 1 November – 10 November | 53.8° | 52.4° | +0.8° |
| 11 November – 20 November | at normal | 47.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Turin (5 mi).
0
Castana, Friday, 23 October
Partly cloudy. High 78°, low 56°.
0Castana, Saturday, 24 October
Overcast. High 73°, low 54°.
0Castana, Sunday, 25 October
Partly cloudy. High 68°, low 51°.
0.01
Castana, Monday, 26 October
Light rain. High 66°, low 52°.
0.01Castana, Tuesday, 27 October
Light rain. High 71°, low 58°.
0
Castana, Wednesday, 28 October
Mostly clear. High 62°, low 54°.
0.03Castana, Thursday, 29 October
Light rain. High 56°, low 46°.
0.13Castana, Friday, 30 October
Light rain. High 47°, low 41°.
0Castana, Saturday, 31 October
Overcast. High 49°, low 37°.
0Castana, Sunday, 1 November
Overcast. High 48°, low 44°.
0
Castana, Monday, 2 November
Clear. High 56°, low 40°.
0Castana, Tuesday, 3 November
Overcast. High 57°, low 44°.
0Castana, Wednesday, 4 November
Overcast. High 56°, low 47°.
0Castana, Thursday, 5 November
Overcast. High 57°, low 46°.
0.01Castana, Friday, 6 November
Light rain. High 49°, low 45°.
0.02Castana, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Castana, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14Castana, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Castana, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Castana, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Castana, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Castana, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Castana, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Castana, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Castana, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Castana, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Castana, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Castana, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Castana, Friday, 20 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 Castana, 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 Castana, 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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