Weather in Grissom AFB, IN
Grissom AFB, Sunday, 15 November, 07:28
Overcast. Feels like 34°. High 50°, low 35°.
Monthly outlook for Grissom AFB, IN: average high 54.3°, average low 37.9°. That is 4.2° above the climate normal for November. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 21 November (62.7°), the coolest 24 November (27.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 53.6° | 47.8° | +3.2° |
| 25 November – 4 December | 55.3° | 43.4° | +6.6° |
| 5 December – 14 December | at normal | 39.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Onward (3 mi).
0
Grissom AFB, Monday, 16 November
Clear. High 51°, low 32°.
0Grissom AFB, Tuesday, 17 November
Clear. High 55°, low 34°.
0Grissom AFB, Wednesday, 18 November
Overcast. High 58°, low 37°.
0Grissom AFB, Thursday, 19 November
Overcast. High 60°, low 43°.
0Grissom AFB, Friday, 20 November
Clear. High 60°, low 41°.
0.01
Grissom AFB, Saturday, 21 November
Light rain. High 63°, low 47°.
0Grissom AFB, Sunday, 22 November
Overcast. High 56°, low 39°.
0
Grissom AFB, Monday, 23 November
Mostly clear. High 41°, low 32°.
0Grissom AFB, Tuesday, 24 November
Mostly clear. High 44°, low 27°.
0Grissom AFB, Wednesday, 25 November
Overcast. High 51°, low 32°.
0Grissom AFB, Thursday, 26 November
Clear. High 57°, low 38°.
0Grissom AFB, Friday, 27 November
Overcast. High 56°, low 41°.
0Grissom AFB, Saturday, 28 November
Overcast. High 56°, low 41°.
0Grissom AFB, Sunday, 29 November
Overcast. High 57°, low 42°.
0Grissom AFB, Monday, 30 November
Overcast. High 54°, low 45°.
0.12
Grissom AFB, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07
Grissom AFB, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Grissom AFB, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Grissom AFB, Friday, 4 December
Climate normal for this date — 60-year average.
0.1Grissom AFB, Saturday, 5 December
Climate normal for this date — 60-year average.
0.07Grissom AFB, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Grissom AFB, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Grissom AFB, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Grissom AFB, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.07Grissom AFB, Thursday, 10 December
Climate normal for this date — 60-year average.
0.11Grissom AFB, Friday, 11 December
Climate normal for this date — 60-year average.
0.1Grissom AFB, Saturday, 12 December
Climate normal for this date — 60-year average.
0.06Grissom AFB, Sunday, 13 December
Climate normal for this date — 60-year average.
0.1Grissom AFB, Monday, 14 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 Grissom AFB, IN 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 Grissom AFB, IN 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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