Weather in Grissom AFB, IN
Grissom AFB, Saturday, 31 October, 03:09
Overcast. Feels like 53°. High 66°, low 50°.
Monthly outlook for Grissom AFB, IN: average high 60.5°, average low 46.9°. That is 4.1° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 3 November (72.1°), the coolest 15 November (30.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 64.1° | 55.1° | +5° |
| 10 November – 19 November | 54.4° | 49.4° | +2.7° |
| 20 November – 29 November | at normal | 45.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Onward (3 mi).
0Grissom AFB, Sunday, 1 November
Overcast. High 68°, low 53°.
0.03
Grissom AFB, Monday, 2 November
Light rain. High 64°, low 55°.
0Grissom AFB, Tuesday, 3 November
Overcast. High 72°, low 60°.
0.31Grissom AFB, Wednesday, 4 November
Rain. High 68°, low 62°.
0.04Grissom AFB, Thursday, 5 November
Light rain. High 65°, low 52°.
0Grissom AFB, Friday, 6 November
Overcast. High 58°, low 46°.
0
Grissom AFB, Saturday, 7 November
Clear. High 59°, low 45°.
0Grissom AFB, Sunday, 8 November
Overcast. High 59°, low 44°.
0Grissom AFB, Monday, 9 November
Clear. High 61°, low 44°.
0Grissom AFB, Tuesday, 10 November
Clear. High 63°, low 46°.
0Grissom AFB, Wednesday, 11 November
Overcast. High 65°, low 48°.
0Grissom AFB, Thursday, 12 November
Clear. High 60°, low 43°.
0Grissom AFB, Friday, 13 November
Overcast. High 50°, low 39°.
0
Grissom AFB, Saturday, 14 November
Partly cloudy. High 42°, low 32°.
0Grissom AFB, Sunday, 15 November
Overcast. High 46°, low 31°.
0.09Grissom AFB, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Grissom AFB, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.13Grissom AFB, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09
Grissom AFB, Thursday, 19 November
Climate normal for this date — 60-year average.
0.12Grissom AFB, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Grissom AFB, Saturday, 21 November
Climate normal for this date — 60-year average.
0.09Grissom AFB, Sunday, 22 November
Climate normal for this date — 60-year average.
0.11Grissom AFB, Monday, 23 November
Climate normal for this date — 60-year average.
0.11Grissom AFB, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.15Grissom 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.
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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