Olney, Friday, 9 October, 12:58
Overcast. Feels like 63°. High 65°, low 41°.
Olney, Saturday, 10 October
Light rain. High 46°, low 30°.
Olney, Sunday, 11 October
Snow. High 34°, low 29°.
Olney, Monday, 12 October
Mostly clear. High 42°, low 26°.
Olney, Tuesday, 13 October
Clear. High 48°, low 29°.
Olney, Wednesday, 14 October
Partly cloudy. High 50°, low 33°.
Olney, Thursday, 15 October
Partly cloudy. High 57°, low 36°.
Olney, Friday, 16 October
Overcast. High 50°, low 30°.
Olney, Saturday, 17 October
Overcast. High 59°, low 36°.
Olney, Sunday, 18 October
Overcast. High 65°, low 42°.
Olney, Monday, 19 October
Partly cloudy. High 59°, low 43°.
Olney, Tuesday, 20 October
Overcast. High 56°, low 40°.
Olney, Wednesday, 21 October
Overcast. High 59°, low 37°.
Olney, Thursday, 22 October
Partly cloudy. High 55°, low 35°.
Olney, Friday, 23 October
Overcast. High 61°, low 36°.
Olney, Saturday, 24 October
Clear. High 64°, low 39°.
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 Olney, MT 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 Olney, MT 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.