Fountain Valley, Sunday, 9 August, 11:47
Rain. Feels like 67°. High 78°, low 62°.
Fountain Valley, Monday, 10 August
Overcast. High 85°, low 69°.
Fountain Valley, Tuesday, 11 August
Rain. High 80°, low 62°.
Fountain Valley, Wednesday, 12 August
Clear. High 87°, low 64°.
Fountain Valley, Thursday, 13 August
Overcast. High 68°, low 59°.
Fountain Valley, Friday, 14 August
Partly cloudy. High 78°, low 54°.
Fountain Valley, Saturday, 15 August
Rain. High 76°, low 60°.
Fountain Valley, Sunday, 16 August
Rain. High 69°, low 60°.
Fountain Valley, Monday, 17 August
Partly cloudy. High 81°, low 57°.
Fountain Valley, Tuesday, 18 August
Light rain. High 79°, low 61°.
Fountain Valley, Wednesday, 19 August
Light rain. High 79°, low 61°.
Fountain Valley, Thursday, 20 August
Overcast. High 78°, low 54°.
Fountain Valley, Friday, 21 August
Light rain. High 79°, low 60°.
Fountain Valley, Saturday, 22 August
Rain. High 73°, low 62°.
Fountain Valley, Sunday, 23 August
Overcast. High 79°, low 54°.
Fountain Valley, Monday, 24 August
Mostly clear. High 84°, low 56°.
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 Fountain Valley, WI 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 Fountain Valley, WI 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.