Weather in Saint Joe, IL
Saint Joe, Sunday, 9 August, 00:22
Clear. Feels like 73°. High 95°, low 71°.
Monthly outlook for Saint Joe, IL: average high 87°, average low 68.9°. That is 0.3° above the climate normal for August. Precipitation is expected on 8 days (about 3.6 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 11 August (102.7°), the coolest 21 August (59.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 88.4° | 86.4° | +1.1° |
| 19 August – 28 August | 84.6° | 86.7° | -1.2° |
| 29 August – 7 September | at normal | 84.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Red Bud (9 mi).
0
Saint Joe, Monday, 10 August
Clear. High 100°, low 75°.
0.02
Saint Joe, Tuesday, 11 August
Light rain. High 103°, low 75°.
0.1Saint Joe, Wednesday, 12 August
Light rain. High 89°, low 73°.
2.55Saint Joe, Thursday, 13 August
Heavy rain. High 85°, low 71°.
0.19Saint Joe, Friday, 14 August
Rain. High 76°, low 71°.
0.19Saint Joe, Saturday, 15 August
Light rain. High 80°, low 67°.
0.02Saint Joe, Sunday, 16 August
Light rain. High 87°, low 67°.
0.15Saint Joe, Monday, 17 August
Rain. High 87°, low 70°.
0.13Saint Joe, Tuesday, 18 August
Light rain. High 81°, low 69°.
0
Saint Joe, Wednesday, 19 August
Overcast. High 88°, low 67°.
0Saint Joe, Thursday, 20 August
Clear. High 77°, low 60°.
0.13Saint Joe, Friday, 21 August
Light rain. High 75°, low 59°.
0.12Saint Joe, Saturday, 22 August
Light rain. High 90°, low 63°.
0Saint Joe, Sunday, 23 August
Clear. High 95°, low 72°.
0.02Saint Joe, Monday, 24 August
Light rain. High 82°, low 74°.
0.05
Saint Joe, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.09
Saint Joe, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Saint Joe, Thursday, 27 August
Climate normal for this date — 60-year average.
0.1Saint Joe, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Saint Joe, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Saint Joe, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Saint Joe, Monday, 31 August
Climate normal for this date — 60-year average.
0.11
Saint Joe, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Saint Joe, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Saint Joe, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Saint Joe, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Saint Joe, Saturday, 5 September
Climate normal for this date — 60-year average.
0.02Saint Joe, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06Saint Joe, 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 Saint Joe, IL 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 Saint Joe, IL 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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