Weather in Grant City, IA
Grant City, Thursday, 29 October, 01:12
Clear. Feels like 55°. High 66°, low 47°.
Monthly outlook for Grant City, IA: average high 55.6°, average low 45°. That is 2.8° above the climate normal for October. Precipitation is expected on 5 days (about 2.0 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 31 October (68.2°), the coolest 13 November (33.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 58.9° | 52.6° | +3.5° |
| 8 November – 17 November | 50° | 47.1° | +1.6° |
| 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).
0.45
Grant City, Friday, 30 October
Rain. High 55°, low 48°.
0.02Grant City, Saturday, 31 October
Light rain. High 68°, low 51°.
0
Grant City, Sunday, 1 November
Overcast. High 63°, low 54°.
0.93Grant City, Monday, 2 November
Rain. High 66°, low 57°.
0.41Grant City, Tuesday, 3 November
Rain. High 58°, low 50°.
0Grant City, Wednesday, 4 November
Light rain. High 60°, low 54°.
0.1Grant City, Thursday, 5 November
Light rain. High 53°, low 51°.
0
Grant City, Friday, 6 November
Mostly clear. High 51°, low 40°.
0Grant City, Saturday, 7 November
Overcast. High 49°, low 37°.
0Grant City, Sunday, 8 November
Overcast. High 54°, low 40°.
0.11Grant City, Monday, 9 November
Light rain. High 54°, low 44°.
0
Grant City, Tuesday, 10 November
Clear. High 52°, low 40°.
0Grant City, Wednesday, 11 November
Overcast. High 47°, low 37°.
0
Grant City, Thursday, 12 November
Partly cloudy. High 46°, low 34°.
0Grant City, Friday, 13 November
Clear. High 47°, low 34°.
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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