Weather in Island Lake, WI
Island Lake, Sunday, 9 August, 18:17
Overcast. Feels like 79°. High 79°, low 63°.
0.11
Island Lake, Monday, 10 August
Rain. High 87°, low 63°.
0.2Island Lake, Tuesday, 11 August
Rain. High 89°, low 64°.
0Island Lake, Wednesday, 12 August
Overcast. High 85°, low 57°.
0Island Lake, Thursday, 13 August
Overcast. High 86°, low 61°.
0Island Lake, Friday, 14 August
Overcast. High 76°, low 61°.
0.51Island Lake, Saturday, 15 August
Rain. High 64°, low 60°.
0Island Lake, Sunday, 16 August
Overcast. High 75°, low 60°.
0.36Island Lake, Monday, 17 August
Rain. High 74°, low 61°.
0.07Island Lake, Tuesday, 18 August
Light rain. High 83°, low 63°.
0
Island Lake, Wednesday, 19 August
Mostly clear. High 85°, low 59°.
0.04Island Lake, Thursday, 20 August
Light rain. High 92°, low 66°.
0Island Lake, Friday, 21 August
Overcast. High 82°, low 57°.
0
Island Lake, Saturday, 22 August
Partly cloudy. High 84°, low 56°.
0.04Island Lake, Sunday, 23 August
Light rain. High 86°, low 63°.
0Island Lake, Monday, 24 August
Overcast. High 81°, low 58°.
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 Island Lake, WI 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 Island Lake, WI 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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