Weather in Garnavillo, IA
Garnavillo, Saturday, 8 August, 23:05
Clear. Feels like 66°. High 80°, low 61°.
0.68
Garnavillo, Sunday, 9 August
Heavy rain. High 78°, low 63°.
0.17Garnavillo, Monday, 10 August
Rain. High 84°, low 69°.
0.11Garnavillo, Tuesday, 11 August
Rain. High 84°, low 69°.
0
Garnavillo, Wednesday, 12 August
Overcast. High 80°, low 67°.
0Garnavillo, Thursday, 13 August
Overcast. High 69°, low 59°.
0
Garnavillo, Friday, 14 August
Partly cloudy. High 77°, low 56°.
0Garnavillo, Saturday, 15 August
Overcast. High 65°, low 59°.
0Garnavillo, Sunday, 16 August
Overcast. High 71°, low 58°.
0.01Garnavillo, Monday, 17 August
Light rain. High 81°, low 60°.
0.06Garnavillo, Tuesday, 18 August
Light rain. High 83°, low 65°.
0.02Garnavillo, Wednesday, 19 August
Light rain. High 73°, low 59°.
0.01Garnavillo, Thursday, 20 August
Light rain. High 63°, low 51°.
0
Garnavillo, Friday, 21 August
Mostly clear. High 73°, low 52°.
0.24Garnavillo, Saturday, 22 August
Rain. High 74°, low 55°.
0
Garnavillo, Sunday, 23 August
Clear. High 75°, low 60°.
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 Garnavillo, IA 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 Garnavillo, IA 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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