Weather in Black Rock, IN
Black Rock, Saturday, 8 August, 21:37
Clear. Feels like 76°. High 86°, low 71°.
Monthly outlook for Black Rock, IN: average high 79.3°, average low 63.7°. That is 1.3° below the climate normal for August. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 9 August (91.5°), the coolest 21 August (52.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 80.2° | 81.6° | -0.8° |
| 18 August – 27 August | 77.8° | 81.8° | -2.2° |
| 28 August – 6 September | at normal | 80.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Lafayette (13 mi).
0
Black Rock, Sunday, 9 August
Mostly clear. High 92°, low 68°.
0.02
Black Rock, Monday, 10 August
Light rain. High 90°, low 77°.
0.46Black Rock, Tuesday, 11 August
Rain. High 81°, low 71°.
0.02Black Rock, Wednesday, 12 August
Light rain. High 83°, low 69°.
0.07Black Rock, Thursday, 13 August
Light rain. High 78°, low 65°.
0.01Black Rock, Friday, 14 August
Light rain. High 76°, low 61°.
0.03Black Rock, Saturday, 15 August
Light rain. High 67°, low 58°.
0
Black Rock, Sunday, 16 August
Overcast. High 72°, low 62°.
0.06Black Rock, Monday, 17 August
Light rain. High 76°, low 64°.
0Black Rock, Tuesday, 18 August
Overcast. High 81°, low 65°.
0.02Black Rock, Wednesday, 19 August
Light rain. High 78°, low 60°.
0.04Black Rock, Thursday, 20 August
Light rain. High 71°, low 55°.
0Black Rock, Friday, 21 August
Overcast. High 73°, low 53°.
0.04Black Rock, Saturday, 22 August
Light rain. High 77°, low 55°.
0Black Rock, Sunday, 23 August
Mostly clear. High 85°, low 66°.
0.06
Black Rock, Monday, 24 August
Climate normal for this date — 60-year average.
0.09Black Rock, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.11Black Rock, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Black Rock, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15
Black Rock, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Black Rock, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Black Rock, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Black Rock, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Black Rock, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Black Rock, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Black Rock, Thursday, 3 September
Climate normal for this date — 60-year average.
0.08Black Rock, Friday, 4 September
Climate normal for this date — 60-year average.
0.03Black Rock, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Black Rock, Sunday, 6 September
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 Black Rock, 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 Black Rock, 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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