Weather in Merrillville, IN
Merrillville, Wednesday, 28 October, 21:27
Clear. Feels like 63°. High 75°, low 52°.
Monthly outlook for Merrillville, IN: average high 59°, average low 49.3°. That is 3.1° above the climate normal for October. Precipitation is expected on 10 days (about 2.5 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 28 October (75.3°), the coolest 11 November (39°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 65.3° | 55.1° | +5.7° |
| 7 November – 16 November | 48.5° | 49.5° | -0.5° |
| 17 November – 26 November | at normal | 46° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Salt Creek Commons (10 mi).
0.01
Merrillville, Thursday, 29 October
Light rain. High 69°, low 56°.
0.06Merrillville, Friday, 30 October
Light rain. High 63°, low 52°.
0.5Merrillville, Saturday, 31 October
Rain. High 59°, low 51°.
0
Merrillville, Sunday, 1 November
Overcast. High 66°, low 48°.
0.04Merrillville, Monday, 2 November
Light rain. High 64°, low 54°.
0.81Merrillville, Tuesday, 3 November
Rain. High 64°, low 61°.
0.33Merrillville, Wednesday, 4 November
Rain. High 64°, low 62°.
0.04Merrillville, Thursday, 5 November
Light rain. High 69°, low 61°.
0.24Merrillville, Friday, 6 November
Light rain. High 59°, low 48°.
0
Merrillville, Saturday, 7 November
Partly cloudy. High 49°, low 44°.
0Merrillville, Sunday, 8 November
Overcast. High 50°, low 39°.
0.06Merrillville, Monday, 9 November
Light rain. High 53°, low 42°.
0.33Merrillville, Tuesday, 10 November
Light rain. High 47°, low 39°.
0.07Merrillville, Wednesday, 11 November
Light rain. High 47°, low 39°.
0Merrillville, Thursday, 12 November
Overcast. High 45°, low 41°.
0.06Merrillville, Friday, 13 November
Climate normal for this date — 60-year average.
0.07
Merrillville, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Merrillville, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Merrillville, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Merrillville, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.12Merrillville, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Merrillville, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Merrillville, Friday, 20 November
Climate normal for this date — 60-year average.
0.12Merrillville, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06Merrillville, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1Merrillville, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Merrillville, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Merrillville, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.13Merrillville, Thursday, 26 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 Merrillville, 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 Merrillville, 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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