Weather in Grand River, IA
Grand River, Sunday, 8 November, 23:00
Clear. Feels like 40°. High 64°, low 41°.
Monthly outlook for Grand River, IA: average high 55.4°, average low 40.1°. That is 3.6° above the climate normal for November. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 9 November (67.4°), the coolest 14 November (26°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 56.2° | 49.9° | +3.5° |
| 18 November – 27 November | 54.1° | 45.9° | +4.5° |
| 28 November – 7 December | at normal | 39.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Kellerton (9 mi).
0
Grand River, Monday, 9 November
Clear. High 67°, low 39°.
0Grand River, Tuesday, 10 November
Clear. High 63°, low 42°.
0Grand River, Wednesday, 11 November
Clear. High 58°, low 44°.
0
Grand River, Thursday, 12 November
Overcast. High 45°, low 38°.
0Grand River, Friday, 13 November
Overcast. High 39°, low 31°.
0
Grand River, Saturday, 14 November
Mostly clear. High 48°, low 26°.
0Grand River, Sunday, 15 November
Clear. High 55°, low 36°.
0Grand River, Monday, 16 November
Overcast. High 56°, low 39°.
0.02
Grand River, Tuesday, 17 November
Light rain. High 66°, low 49°.
0.02Grand River, Wednesday, 18 November
Light rain. High 58°, low 46°.
0Grand River, Thursday, 19 November
Clear. High 53°, low 39°.
0.03Grand River, Friday, 20 November
Light rain. High 54°, low 40°.
0Grand River, Saturday, 21 November
Overcast. High 48°, low 39°.
0.04Grand River, Sunday, 22 November
Light rain. High 50°, low 40°.
0.48Grand River, Monday, 23 November
Rain. High 62°, low 52°.
0.06Grand River, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06
Grand River, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.1Grand River, Thursday, 26 November
Climate normal for this date — 60-year average.
0.1
Grand River, Friday, 27 November
Climate normal for this date — 60-year average.
0.06Grand River, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Grand River, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Grand River, Monday, 30 November
Climate normal for this date — 60-year average.
0.08Grand River, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.02Grand River, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.06Grand River, Thursday, 3 December
Climate normal for this date — 60-year average.
0.05Grand River, Friday, 4 December
Climate normal for this date — 60-year average.
0.05Grand River, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Grand River, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06Grand River, Monday, 7 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 Grand River, 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 Grand River, 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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