Weather in Koontz Lake, IN
Koontz Lake, Sunday, 9 August, 06:06
Clear. Feels like 63°. High 86°, low 63°.
Monthly outlook for Koontz Lake, IN: average high 82.3°, average low 64.8°. That is 1.4° above the climate normal for August. Precipitation is expected on 3 days (about 2.5 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 23 August (92.8°), the coolest 14 August (55.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 78.9° | 79.9° | -0.6° |
| 19 August – 28 August | 88° | 79.9° | +4.5° |
| 29 August – 7 September | at normal | 78.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Plymouth (10 mi).
1.22
Koontz Lake, Monday, 10 August
Heavy rain. High 90°, low 70°.
0.59Koontz Lake, Tuesday, 11 August
Heavy rain. High 83°, low 67°.
0.01Koontz Lake, Wednesday, 12 August
Light rain. High 80°, low 67°.
0
Koontz Lake, Thursday, 13 August
Overcast. High 72°, low 61°.
0Koontz Lake, Friday, 14 August
Overcast. High 73°, low 55°.
0Koontz Lake, Saturday, 15 August
Overcast. High 74°, low 58°.
0.02Koontz Lake, Sunday, 16 August
Light rain. High 76°, low 61°.
0.01Koontz Lake, Monday, 17 August
Light rain. High 78°, low 62°.
0
Koontz Lake, Tuesday, 18 August
Mostly clear. High 78°, low 61°.
0.02Koontz Lake, Wednesday, 19 August
Light rain. High 84°, low 65°.
0Koontz Lake, Thursday, 20 August
Overcast. High 90°, low 72°.
0Koontz Lake, Friday, 21 August
Clear. High 87°, low 67°.
0
Koontz Lake, Saturday, 22 August
Partly cloudy. High 90°, low 68°.
0Koontz Lake, Sunday, 23 August
Overcast. High 93°, low 70°.
0.61Koontz Lake, Monday, 24 August
Heavy rain. High 84°, low 68°.
0.09Koontz Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.11
Koontz Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12Koontz Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12Koontz Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Koontz Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Koontz Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Koontz Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Koontz Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Koontz Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Koontz Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07Koontz Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Koontz Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.08Koontz Lake, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Koontz Lake, 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 Koontz Lake, 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 Koontz Lake, 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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