Weather in Port Jackson, IL
Port Jackson, Thursday, 29 October, 08:43
Clear. Feels like 54°. High 77°, low 55°.
0
Port Jackson, Friday, 30 October
Overcast. High 76°, low 54°.
0Port Jackson, Saturday, 31 October
Overcast. High 68°, low 53°.
0Port Jackson, Sunday, 1 November
Overcast. High 69°, low 57°.
0.04
Port Jackson, Monday, 2 November
Light rain. High 64°, low 55°.
0Port Jackson, Tuesday, 3 November
Overcast. High 73°, low 59°.
0.3Port Jackson, Wednesday, 4 November
Rain. High 71°, low 60°.
0.23Port Jackson, Thursday, 5 November
Light rain. High 64°, low 57°.
0.04Port Jackson, Friday, 6 November
Light rain. High 55°, low 45°.
0Port Jackson, Saturday, 7 November
Clear. High 53°, low 38°.
0
Port Jackson, Sunday, 8 November
Partly cloudy. High 55°, low 36°.
0.14Port Jackson, Monday, 9 November
Light rain. High 47°, low 41°.
0.02Port Jackson, Tuesday, 10 November
Light rain. High 44°, low 41°.
0Port Jackson, Wednesday, 11 November
Clear. High 58°, low 38°.
0Port Jackson, Thursday, 12 November
Overcast. High 60°, low 44°.
0
Port Jackson, Friday, 13 November
Mostly clear. High 65°, low 49°.
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 Port Jackson, 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 Port Jackson, 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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