Weather in Gulf Port, IL
Gulf Port, Sunday, 9 August, 08:30
Partly cloudy. Feels like 79°. High 95°, low 68°.
Monthly outlook for Gulf Port, IL: average high 85.3°, average low 65.1°. That is 2° above the climate normal for August. Precipitation is expected on 4 days (about 1.8 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 11 August (98.4°), the coolest 23 August (59.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 85.5° | 81.8° | +2.1° |
| 19 August – 28 August | 85° | 81.8° | +1.8° |
| 29 August – 7 September | at normal | 80° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Mediapolis (14 mi).
0
Gulf Port, Monday, 10 August
Overcast. High 94°, low 74°.
0Gulf Port, Tuesday, 11 August
Partly cloudy. High 98°, low 74°.
0.11
Gulf Port, Wednesday, 12 August
Light rain. High 89°, low 71°.
0.99Gulf Port, Thursday, 13 August
Heavy rain. High 77°, low 64°.
0.56Gulf Port, Friday, 14 August
Rain. High 74°, low 64°.
0.15Gulf Port, Saturday, 15 August
Light rain. High 84°, low 66°.
0Gulf Port, Sunday, 16 August
Overcast. High 78°, low 65°.
0Gulf Port, Monday, 17 August
Partly cloudy. High 79°, low 60°.
0Gulf Port, Tuesday, 18 August
Overcast. High 86°, low 62°.
0Gulf Port, Wednesday, 19 August
Partly cloudy. High 80°, low 65°.
0Gulf Port, Thursday, 20 August
Partly cloudy. High 83°, low 60°.
0.01Gulf Port, Friday, 21 August
Light rain. High 94°, low 63°.
0
Gulf Port, Saturday, 22 August
Clear. High 86°, low 67°.
0Gulf Port, Sunday, 23 August
Clear. High 83°, low 59°.
0Gulf Port, Monday, 24 August
Clear. High 83°, low 60°.
0.13Gulf Port, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.2
Gulf Port, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08Gulf Port, Thursday, 27 August
Climate normal for this date — 60-year average.
0.11Gulf Port, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Gulf Port, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Gulf Port, Sunday, 30 August
Climate normal for this date — 60-year average.
0.16Gulf Port, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Gulf Port, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Gulf Port, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.09Gulf Port, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Gulf Port, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Gulf Port, Saturday, 5 September
Climate normal for this date — 60-year average.
0.17Gulf Port, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15Gulf Port, 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 Gulf Port, 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 Gulf Port, 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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