Weather in Grissom AFB, IN
Grissom AFB, Friday, 30 October, 18:02
Overcast. Feels like 61°. High 64°, low 45°.
Monthly outlook for Grissom AFB, IN: average high 67.1°, average low 54°. That is 7.4° above the climate normal for October. Precipitation is expected on 6 days (about 2.4 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 12 November (71.6°), the coolest 30 October (44.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 67.8° | 55.6° | +6.8° |
| 9 November – 18 November | 65.8° | 49.9° | +8.9° |
| 19 November – 28 November | at normal | 46.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Onward (3 mi).
0Grissom AFB, Saturday, 31 October
Overcast. High 67°, low 46°.
0.01
Grissom AFB, Sunday, 1 November
Light rain. High 66°, low 52°.
0.14Grissom AFB, Monday, 2 November
Light rain. High 67°, low 54°.
0Grissom AFB, Tuesday, 3 November
Overcast. High 69°, low 58°.
0.46Grissom AFB, Wednesday, 4 November
Rain. High 69°, low 62°.
0.04Grissom AFB, Thursday, 5 November
Light rain. High 67°, low 55°.
0Grissom AFB, Friday, 6 November
Overcast. High 69°, low 51°.
0Grissom AFB, Saturday, 7 November
Overcast. High 70°, low 55°.
0Grissom AFB, Sunday, 8 November
Overcast. High 71°, low 56°.
0Grissom AFB, Monday, 9 November
Overcast. High 67°, low 55°.
0.49Grissom AFB, Tuesday, 10 November
Rain. High 65°, low 56°.
0.13Grissom AFB, Wednesday, 11 November
Light rain. High 69°, low 57°.
0Grissom AFB, Thursday, 12 November
Overcast. High 72°, low 55°.
1.17Grissom AFB, Friday, 13 November
Rain. High 66°, low 59°.
0
Grissom AFB, Saturday, 14 November
Partly cloudy. High 57°, low 48°.
0.13
Grissom AFB, Sunday, 15 November
Climate normal for this date — 60-year average.
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.
0.09Grissom 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.
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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