Mount Hamill, Sunday, 11 October, 04:26
Clear. Feels like 53°. High 84°, low 54°.
Mount Hamill, Monday, 12 October
Light rain. High 88°, low 65°.
Mount Hamill, Tuesday, 13 October
Light rain. High 79°, low 67°.
Mount Hamill, Wednesday, 14 October
Rain. High 73°, low 63°.
Mount Hamill, Thursday, 15 October
Rain. High 65°, low 58°.
Mount Hamill, Friday, 16 October
Overcast. High 57°, low 44°.
Mount Hamill, Saturday, 17 October
Clear. High 42°, low 30°.
Mount Hamill, Sunday, 18 October
Mostly clear. High 49°, low 29°.
Mount Hamill, Monday, 19 October
Partly cloudy. High 61°, low 37°.
Mount Hamill, Tuesday, 20 October
Clear. High 67°, low 42°.
Mount Hamill, Wednesday, 21 October
Partly cloudy. High 69°, low 49°.
Mount Hamill, Thursday, 22 October
Partly cloudy. High 70°, low 55°.
Mount Hamill, Friday, 23 October
Mostly clear. High 74°, low 49°.
Mount Hamill, Saturday, 24 October
Light rain. High 63°, low 45°.
Mount Hamill, Sunday, 25 October
Mostly clear. High 54°, low 38°.
Mount Hamill, Monday, 26 October
Clear. High 58°, low 41°.
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 Mount Hamill, IA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
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.
They are real temperature extremes recorded in Mount Hamill, IA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.