Weather in Green Mountain, IA
Green Mountain, Saturday, 17 October, 02:14
Clear. Feels like 35°. High 56°, low 34°.
Monthly outlook for Green Mountain, IA: average high 60.7°, average low 45.5°. That is 1.5° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 23 October (72.2°), the coolest 17 October (34.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 64.2° | 59.3° | +2.7° |
| 27 October – 5 November | 54.8° | 54.4° | +0.3° |
| 6 November – 15 November | at normal | 48.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Ferguson (11 mi).
0
Green Mountain, Sunday, 18 October
Clear. High 62°, low 42°.
0
Green Mountain, Monday, 19 October
Partly cloudy. High 63°, low 44°.
0.01
Green Mountain, Tuesday, 20 October
Light rain. High 67°, low 47°.
0Green Mountain, Wednesday, 21 October
Partly cloudy. High 69°, low 49°.
0Green Mountain, Thursday, 22 October
Partly cloudy. High 71°, low 50°.
0Green Mountain, Friday, 23 October
Partly cloudy. High 72°, low 56°.
0
Green Mountain, Saturday, 24 October
Mostly clear. High 69°, low 52°.
0
Green Mountain, Sunday, 25 October
Overcast. High 56°, low 46°.
0.13Green Mountain, Monday, 26 October
Light rain. High 56°, low 47°.
0Green Mountain, Tuesday, 27 October
Overcast. High 61°, low 48°.
0Green Mountain, Wednesday, 28 October
Partly cloudy. High 56°, low 41°.
0.56Green Mountain, Thursday, 29 October
Rain. High 47°, low 43°.
0.27Green Mountain, Friday, 30 October
Rain. High 49°, low 45°.
0Green Mountain, Saturday, 31 October
Clear. High 56°, low 38°.
0Green Mountain, Sunday, 1 November
Clear. High 60°, low 44°.
0.09Green Mountain, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Green Mountain, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11Green Mountain, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Green Mountain, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Green Mountain, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Green Mountain, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Green Mountain, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Green Mountain, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Green Mountain, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Green Mountain, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Green Mountain, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Green Mountain, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Green Mountain, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Green Mountain, Sunday, 15 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 Mountain, 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 Mountain, 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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