Weather in Grant City, IA
Grant City, Thursday, 29 October, 06:26
Partly cloudy. Feels like 41°. High 65°, low 45°.
Monthly outlook for Grant City, IA: average high 59.6°, average low 47.6°. That is 5° above the climate normal for October. Precipitation is expected on 6 days (about 4.2 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 31 October (68.5°), the coolest 6 November (35.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 59.2° | 52.6° | +3.7° |
| 8 November – 17 November | 60.1° | 47.1° | +7.2° |
| 18 November – 27 November | at normal | 42.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lake City (8 mi).
0.35
Grant City, Friday, 30 October
Rain. High 55°, low 47°.
0.04Grant City, Saturday, 31 October
Light rain. High 68°, low 52°.
0
Grant City, Sunday, 1 November
Overcast. High 67°, low 52°.
1.09Grant City, Monday, 2 November
Rain. High 64°, low 57°.
0.15Grant City, Tuesday, 3 November
Light rain. High 66°, low 59°.
1.41Grant City, Wednesday, 4 November
Heavy rain. High 57°, low 43°.
0
Grant City, Thursday, 5 November
Clear. High 48°, low 37°.
0
Grant City, Friday, 6 November
Mostly clear. High 50°, low 35°.
0.01Grant City, Saturday, 7 November
Light rain. High 51°, low 39°.
1.08Grant City, Sunday, 8 November
Rain. High 54°, low 47°.
0.09Grant City, Monday, 9 November
Light rain. High 51°, low 47°.
0Grant City, Tuesday, 10 November
Overcast. High 57°, low 48°.
0Grant City, Wednesday, 11 November
Overcast. High 62°, low 48°.
0
Grant City, Thursday, 12 November
Partly cloudy. High 68°, low 52°.
0Grant City, Friday, 13 November
Clear. High 68°, low 52°.
0.03Grant City, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Grant City, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Grant City, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Grant City, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Grant City, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Grant City, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Grant City, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Grant City, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Grant City, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Grant City, Monday, 23 November
Climate normal for this date — 60-year average.
0.05Grant City, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.03Grant City, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07Grant City, Thursday, 26 November
Climate normal for this date — 60-year average.
0.08Grant City, Friday, 27 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 Grant City, 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 Grant City, 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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