Old Hopland, Sunday, 9 August, 09:54
Clear. Feels like 70°. High 94°, low 58°.
Old Hopland, Monday, 10 August
Partly cloudy. High 90°, low 56°.
Old Hopland, Tuesday, 11 August
Clear. High 102°, low 61°.
Old Hopland, Wednesday, 12 August
Partly cloudy. High 100°, low 60°.
Old Hopland, Thursday, 13 August
Clear. High 91°, low 53°.
Old Hopland, Friday, 14 August
Clear. High 91°, low 52°.
Old Hopland, Saturday, 15 August
Clear. High 91°, low 53°.
Old Hopland, Sunday, 16 August
Overcast. High 77°, low 54°.
Old Hopland, Monday, 17 August
Overcast. High 97°, low 62°.
Old Hopland, Tuesday, 18 August
Clear. High 101°, low 64°.
Old Hopland, Wednesday, 19 August
Overcast. High 103°, low 67°.
Old Hopland, Thursday, 20 August
Overcast. High 109°, low 69°.
Old Hopland, Friday, 21 August
Clear. High 111°, low 74°.
Old Hopland, Saturday, 22 August
Clear. High 112°, low 74°.
Old Hopland, Sunday, 23 August
Clear. High 115°, low 77°.
Old Hopland, Monday, 24 August
Clear. High 112°, low 76°.
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 Old Hopland, CA 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 Old Hopland, CA 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.