Fern Valley, Monday, 9 November, 02:25
Clear. Feels like 47°. High 64°, low 43°.
Fern Valley, Tuesday, 10 November
Clear. High 65°, low 42°.
Fern Valley, Wednesday, 11 November
Clear. High 78°, low 61°.
Fern Valley, Thursday, 12 November
Clear. High 74°, low 57°.
Fern Valley, Friday, 13 November
Light rain. High 66°, low 54°.
Fern Valley, Saturday, 14 November
Light rain. High 62°, low 47°.
Fern Valley, Sunday, 15 November
Clear. High 57°, low 44°.
Fern Valley, Monday, 16 November
Partly cloudy. High 57°, low 43°.
Fern Valley, Tuesday, 17 November
Light rain. High 46°, low 39°.
Fern Valley, Wednesday, 18 November
Light rain. High 42°, low 33°.
Fern Valley, Thursday, 19 November
Clear. High 44°, low 31°.
Fern Valley, Friday, 20 November
Mostly clear. High 42°, low 31°.
Fern Valley, Saturday, 21 November
Clear. High 46°, low 31°.
Fern Valley, Sunday, 22 November
Overcast. High 47°, low 33°.
Fern Valley, Monday, 23 November
Clear. High 52°, low 37°.
Fern Valley, Tuesday, 24 November
Clear. High 58°, low 42°.
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 Fern Valley, 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 Fern Valley, 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.