Weather in San Jose, IL
San Jose, Sunday, 18 October, 02:11
Clear. Feels like 38°. High 63°, low 40°.
0
San Jose, Monday, 19 October
Clear. High 66°, low 42°.
0San Jose, Tuesday, 20 October
Clear. High 68°, low 42°.
0San Jose, Wednesday, 21 October
Clear. High 70°, low 44°.
0
San Jose, Thursday, 22 October
Mostly clear. High 70°, low 47°.
0San Jose, Friday, 23 October
Mostly clear. High 73°, low 51°.
0
San Jose, Saturday, 24 October
Overcast. High 76°, low 57°.
0San Jose, Sunday, 25 October
Overcast. High 61°, low 47°.
0San Jose, Monday, 26 October
Overcast. High 57°, low 39°.
0San Jose, Tuesday, 27 October
Overcast. High 65°, low 41°.
0San Jose, Wednesday, 28 October
Overcast. High 67°, low 51°.
0.17
San Jose, Thursday, 29 October
Light rain. High 69°, low 60°.
0.15San Jose, Friday, 30 October
Light rain. High 71°, low 58°.
0.5San Jose, Saturday, 31 October
Rain. High 71°, low 56°.
0.02San Jose, Sunday, 1 November
Light rain. High 66°, low 55°.
0San Jose, Monday, 2 November
Clear. High 68°, low 50°.
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 San Jose, 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 San Jose, 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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