Weather in Grafton, IA
Grafton, Tuesday, 10 November, 04:58
Mostly clear. Feels like 37°. High 62°, low 38°.
0.03
Grafton, Wednesday, 11 November
Light rain. High 55°, low 38°.
0
Grafton, Thursday, 12 November
Overcast. High 40°, low 30°.
0
Grafton, Friday, 13 November
Clear. High 39°, low 28°.
0
Grafton, Saturday, 14 November
Mostly clear. High 42°, low 25°.
0.02Grafton, Sunday, 15 November
Light rain. High 42°, low 35°.
0Grafton, Monday, 16 November
Mostly clear. High 45°, low 30°.
0Grafton, Tuesday, 17 November
Overcast. High 44°, low 34°.
0Grafton, Wednesday, 18 November
Overcast. High 52°, low 38°.
1.17Grafton, Thursday, 19 November
Rain. High 53°, low 49°.
0.81Grafton, Friday, 20 November
Rain. High 51°, low 50°.
0.05Grafton, Saturday, 21 November
Light rain. High 46°, low 36°.
0.03
Grafton, Sunday, 22 November
Snow. High 34°, low 28°.
0Grafton, Monday, 23 November
Overcast. High 33°, low 27°.
0.05Grafton, Tuesday, 24 November
Light snow. High 31°, low 22°.
0Grafton, Wednesday, 25 November
Overcast. High 25°, low 19°.
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 Grafton, 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 Grafton, 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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