Happy Jack, Sunday, 9 August, 02:37
Mostly clear. Feels like 79°. High 91°, low 77°.
Happy Jack, Monday, 10 August
Light rain. High 94°, low 79°.
Happy Jack, Tuesday, 11 August
Light rain. High 96°, low 80°.
Happy Jack, Wednesday, 12 August
Light rain. High 95°, low 80°.
Happy Jack, Thursday, 13 August
Clear. High 95°, low 80°.
Happy Jack, Friday, 14 August
Mostly clear. High 95°, low 80°.
Happy Jack, Saturday, 15 August
Overcast. High 97°, low 79°.
Happy Jack, Sunday, 16 August
Overcast. High 98°, low 79°.
Happy Jack, Monday, 17 August
Light rain. High 102°, low 80°.
Happy Jack, Tuesday, 18 August
Rain. High 103°, low 79°.
Happy Jack, Wednesday, 19 August
Light rain. High 101°, low 77°.
Happy Jack, Thursday, 20 August
Light rain. High 96°, low 80°.
Happy Jack, Friday, 21 August
Clear. High 94°, low 81°.
Happy Jack, Saturday, 22 August
Mostly clear. High 96°, low 79°.
Happy Jack, Sunday, 23 August
Rain. High 98°, low 78°.
Happy Jack, Monday, 24 August
Rain. High 93°, low 75°.
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 Happy Jack, LA 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 Happy Jack, LA 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.