Weather in Cottage Grove, IN
Cottage Grove, Sunday, 9 August, 02:02
Clear. Feels like 74°. High 89°, low 70°.
Monthly outlook for Cottage Grove, IN: average high 78.6°, average low 63.2°. That is 2.2° below the climate normal for August. Precipitation is expected on 5 days (about 3.0 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 9 August (88.7°), the coolest 21 August (52.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 79.5° | 82.7° | -1.8° |
| 19 August – 28 August | 77.1° | 82.7° | -3.1° |
| 29 August – 7 September | at normal | 80.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Brookville (14 mi).
0.04
Cottage Grove, Monday, 10 August
Light rain. High 88°, low 74°.
2.46Cottage Grove, Tuesday, 11 August
Heavy rain. High 85°, low 67°.
0.17Cottage Grove, Wednesday, 12 August
Light rain. High 83°, low 70°.
0.03Cottage Grove, Thursday, 13 August
Light rain. High 77°, low 62°.
0.01Cottage Grove, Friday, 14 August
Light rain. High 74°, low 63°.
0
Cottage Grove, Saturday, 15 August
Overcast. High 75°, low 58°.
0.01Cottage Grove, Sunday, 16 August
Light rain. High 73°, low 63°.
0.09Cottage Grove, Monday, 17 August
Light rain. High 73°, low 65°.
0
Cottage Grove, Tuesday, 18 August
Partly cloudy. High 80°, low 63°.
0.08Cottage Grove, Wednesday, 19 August
Light rain. High 82°, low 64°.
0.02Cottage Grove, Thursday, 20 August
Light rain. High 67°, low 54°.
0Cottage Grove, Friday, 21 August
Partly cloudy. High 71°, low 52°.
0.03Cottage Grove, Saturday, 22 August
Light rain. High 77°, low 54°.
0.02Cottage Grove, Sunday, 23 August
Light rain. High 84°, low 69°.
0Cottage Grove, Monday, 24 August
Overcast. High 81°, low 65°.
0.06Cottage Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09Cottage Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.1
Cottage Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Cottage Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Cottage Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.13Cottage Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Cottage Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Cottage Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Cottage Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Cottage Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06Cottage Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Cottage Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.04
Cottage Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.05Cottage Grove, Monday, 7 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 Cottage Grove, 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 Cottage Grove, 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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