Weather in Mount Joy, IA
Mount Joy, Saturday, 8 August, 17:02
Clear. Feels like 85°. High 82°, low 67°.
Monthly outlook for Mount Joy, IA: average high 82.8°, average low 63.7°. That is 1° above the climate normal for August. Precipitation is expected on 5 days (about 0.7 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 11 August (92.4°), the coolest 23 August (46°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 83.3° | 81.2° | +1.2° |
| 18 August – 27 August | 82.1° | 81.2° | +0.5° |
| 28 August – 6 September | at normal | 79.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Davenport (5 mi).
0
Mount Joy, Sunday, 9 August
Overcast. High 92°, low 63°.
0Mount Joy, Monday, 10 August
Overcast. High 87°, low 73°.
0.02
Mount Joy, Tuesday, 11 August
Light rain. High 92°, low 73°.
0.06Mount Joy, Wednesday, 12 August
Light rain. High 84°, low 70°.
0.09Mount Joy, Thursday, 13 August
Light rain. High 75°, low 63°.
0Mount Joy, Friday, 14 August
Clear. High 77°, low 58°.
0Mount Joy, Saturday, 15 August
Overcast. High 76°, low 56°.
0Mount Joy, Sunday, 16 August
Overcast. High 79°, low 58°.
0.02Mount Joy, Monday, 17 August
Light rain. High 87°, low 67°.
0Mount Joy, Tuesday, 18 August
Overcast. High 87°, low 70°.
0.2Mount Joy, Wednesday, 19 August
Light rain. High 89°, low 69°.
0.15Mount Joy, Thursday, 20 August
Light rain. High 81°, low 65°.
0.01Mount Joy, Friday, 21 August
Light rain. High 84°, low 63°.
0.02Mount Joy, Saturday, 22 August
Light rain. High 81°, low 60°.
0
Mount Joy, Sunday, 23 August
Partly cloudy. High 70°, low 46°.
0.08Mount Joy, Monday, 24 August
Climate normal for this date — 60-year average.
0.12
Mount Joy, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.19Mount Joy, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Mount Joy, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14Mount Joy, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Mount Joy, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Mount Joy, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Mount Joy, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Mount Joy, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Mount Joy, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Mount Joy, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Mount Joy, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Mount Joy, Saturday, 5 September
Climate normal for this date — 60-year average.
0.12Mount Joy, 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 Mount Joy, IA 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 Mount Joy, IA 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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