Weather in Arrowhead Park, IN
Arrowhead Park, Sunday, 9 August, 03:12
Clear. Feels like 62°. High 89°, low 62°.
Monthly outlook for Arrowhead Park, IN: average high 82.8°, average low 64.3°. That is 1.9° above the climate normal for August. Precipitation is expected on 3 days (about 2.8 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 23 August (94°), the coolest 14 August (54.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 79.6° | 79.5° | +0.1° |
| 19 August – 28 August | 88° | 79.4° | +4.8° |
| 29 August – 7 September | at normal | 78° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — North Webster (6 mi).
1.47
Arrowhead Park, Monday, 10 August
Heavy rain. High 90°, low 70°.
0.9Arrowhead Park, Tuesday, 11 August
Heavy rain. High 84°, low 67°.
0.02Arrowhead Park, Wednesday, 12 August
Light rain. High 81°, low 66°.
0
Arrowhead Park, Thursday, 13 August
Overcast. High 73°, low 59°.
0Arrowhead Park, Friday, 14 August
Overcast. High 72°, low 55°.
0Arrowhead Park, Saturday, 15 August
Overcast. High 73°, low 56°.
0Arrowhead Park, Sunday, 16 August
Overcast. High 75°, low 60°.
0Arrowhead Park, Monday, 17 August
Light rain. High 79°, low 63°.
0
Arrowhead Park, Tuesday, 18 August
Mostly clear. High 80°, low 59°.
0.02Arrowhead Park, Wednesday, 19 August
Light rain. High 82°, low 65°.
0Arrowhead Park, Thursday, 20 August
Overcast. High 89°, low 71°.
0
Arrowhead Park, Friday, 21 August
Clear. High 90°, low 70°.
0Arrowhead Park, Saturday, 22 August
Mostly clear. High 88°, low 68°.
0.02Arrowhead Park, Sunday, 23 August
Light rain. High 94°, low 73°.
0.32Arrowhead Park, Monday, 24 August
Rain. High 85°, low 67°.
0.06
Arrowhead Park, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.11Arrowhead Park, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11
Arrowhead Park, Thursday, 27 August
Climate normal for this date — 60-year average.
0.11Arrowhead Park, Friday, 28 August
Climate normal for this date — 60-year average.
0.1Arrowhead Park, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Arrowhead Park, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Arrowhead Park, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Arrowhead Park, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Arrowhead Park, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Arrowhead Park, Thursday, 3 September
Climate normal for this date — 60-year average.
0.07Arrowhead Park, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Arrowhead Park, Saturday, 5 September
Climate normal for this date — 60-year average.
0.07Arrowhead Park, Sunday, 6 September
Climate normal for this date — 60-year average.
0.11Arrowhead Park, 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 Arrowhead Park, 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 Arrowhead Park, 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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