Weather in Passport, IL
Passport, Monday, 12 October, 11:15
Clear. Feels like 83°. High 87°, low 60°.
0Passport, Tuesday, 13 October
Clear. High 89°, low 66°.
0.2
Passport, Wednesday, 14 October
Rain. High 82°, low 71°.
0.54Passport, Thursday, 15 October
Rain. High 82°, low 69°.
0.05Passport, Friday, 16 October
Light rain. High 71°, low 53°.
0Passport, Saturday, 17 October
Clear. High 62°, low 44°.
0Passport, Sunday, 18 October
Clear. High 67°, low 41°.
0
Passport, Monday, 19 October
Overcast. High 73°, low 49°.
0.01Passport, Tuesday, 20 October
Light rain. High 79°, low 58°.
0.07Passport, Wednesday, 21 October
Light rain. High 79°, low 61°.
0
Passport, Thursday, 22 October
Mostly clear. High 83°, low 61°.
0Passport, Friday, 23 October
Overcast. High 82°, low 65°.
0Passport, Saturday, 24 October
Overcast. High 81°, low 61°.
0.02Passport, Sunday, 25 October
Light rain. High 72°, low 55°.
0Passport, Monday, 26 October
Overcast. High 62°, low 48°.
0Passport, Tuesday, 27 October
Clear. High 70°, low 45°.
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 Passport, 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 Passport, 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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