Weather in Janesville, IL
Janesville, Friday, 13 November, 18:16
Partly cloudy. Feels like 30°. High 43°, low 35°.
0
Janesville, Saturday, 14 November
Clear. High 47°, low 30°.
0
Janesville, Sunday, 15 November
Mostly clear. High 50°, low 29°.
0Janesville, Monday, 16 November
Clear. High 53°, low 31°.
0Janesville, Tuesday, 17 November
Clear. High 53°, low 32°.
0
Janesville, Wednesday, 18 November
Overcast. High 58°, low 36°.
0.08
Janesville, Thursday, 19 November
Light rain. High 55°, low 45°.
0Janesville, Friday, 20 November
Overcast. High 65°, low 53°.
0.04Janesville, Saturday, 21 November
Light rain. High 67°, low 43°.
0Janesville, Sunday, 22 November
Overcast. High 41°, low 30°.
0
Janesville, Monday, 23 November
Partly cloudy. High 28°, low 21°.
0Janesville, Tuesday, 24 November
Clear. High 31°, low 16°.
0Janesville, Wednesday, 25 November
Clear. High 36°, low 17°.
0Janesville, Thursday, 26 November
Partly cloudy. High 42°, low 21°.
0Janesville, Friday, 27 November
Overcast. High 47°, low 25°.
0Janesville, Saturday, 28 November
Overcast. High 48°, low 29°.
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 Janesville, 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 Janesville, 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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