Weather in Grissom AFB, IN
Grissom AFB, Sunday, 8 November, 10:29
Clear. Feels like 40°. High 56°, low 35°.
Monthly outlook for Grissom AFB, IN: average high 54.6°, average low 41.4°. That is 2.9° above the climate normal for November. Precipitation is expected on 8 days (about 3.2 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 20 November (64°), the coolest 15 November (30.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 November – 17 November | 52.6° | 50.3° | +1.3° |
| 18 November – 27 November | 57.9° | 46.9° | +6.1° |
| 28 November – 7 December | at normal | 41.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Onward (3 mi).
0
Grissom AFB, Monday, 9 November
Mostly clear. High 58°, low 37°.
0Grissom AFB, Tuesday, 10 November
Clear. High 62°, low 41°.
0.23
Grissom AFB, Wednesday, 11 November
Rain. High 61°, low 40°.
0.1Grissom AFB, Thursday, 12 November
Light rain. High 45°, low 40°.
0.09Grissom AFB, Friday, 13 November
Light rain. High 41°, low 35°.
0.01
Grissom AFB, Saturday, 14 November
Light snow. High 42°, low 34°.
0
Grissom AFB, Sunday, 15 November
Overcast. High 52°, low 30°.
0Grissom AFB, Monday, 16 November
Clear. High 56°, low 39°.
0Grissom AFB, Tuesday, 17 November
Overcast. High 53°, low 41°.
0.16Grissom AFB, Wednesday, 18 November
Rain. High 48°, low 39°.
0.22Grissom AFB, Thursday, 19 November
Light rain. High 53°, low 43°.
0.03Grissom AFB, Friday, 20 November
Light rain. High 64°, low 55°.
0.65Grissom AFB, Saturday, 21 November
Rain. High 63°, low 55°.
1.08Grissom AFB, Sunday, 22 November
Heavy rain. High 63°, low 58°.
0.62Grissom AFB, Monday, 23 November
Rain. High 57°, low 42°.
0.11
Grissom AFB, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.15
Grissom AFB, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12Grissom AFB, Thursday, 26 November
Climate normal for this date — 60-year average.
0.2Grissom AFB, Friday, 27 November
Climate normal for this date — 60-year average.
0.14Grissom AFB, Saturday, 28 November
Climate normal for this date — 60-year average.
0.09Grissom AFB, Sunday, 29 November
Climate normal for this date — 60-year average.
0.12Grissom AFB, Monday, 30 November
Climate normal for this date — 60-year average.
0.12Grissom AFB, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Grissom 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.
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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