Weather in Simi Valley, CA
Simi Valley, Saturday, 8 August, 17:06
Clear. Feels like 89°. High 94°, low 68°.
Monthly outlook for Simi Valley, CA: average high 95.4°, average low 68.6°. That is 4.2° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 10 August (99.7°), the coolest 13 August (64.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 94° | 88.4° | +3.2° |
| 18 August – 27 August | 97.6° | 87.9° | +5.4° |
| 28 August – 6 September | at normal | 89.8° | — |
August records over 66 years
0
Simi Valley, Sunday, 9 August
Overcast. High 95°, low 68°.
0
Simi Valley, Monday, 10 August
Mostly clear. High 100°, low 68°.
0Simi Valley, Tuesday, 11 August
Clear. High 96°, low 69°.
0Simi Valley, Wednesday, 12 August
Clear. High 94°, low 68°.
0Simi Valley, Thursday, 13 August
Overcast. High 89°, low 64°.
0Simi Valley, Friday, 14 August
Overcast. High 88°, low 67°.
0Simi Valley, Saturday, 15 August
Clear. High 94°, low 65°.
0Simi Valley, Sunday, 16 August
Overcast. High 97°, low 70°.
0
Simi Valley, Monday, 17 August
Partly cloudy. High 95°, low 68°.
0Simi Valley, Tuesday, 18 August
Overcast. High 97°, low 71°.
0Simi Valley, Wednesday, 19 August
Overcast. High 99°, low 72°.
0Simi Valley, Thursday, 20 August
Clear. High 98°, low 70°.
0Simi Valley, Friday, 21 August
Mostly clear. High 98°, low 70°.
0Simi Valley, Saturday, 22 August
Overcast. High 96°, low 70°.
0Simi Valley, Sunday, 23 August
Clear. High 96°, low 68°.
0Simi Valley, Monday, 24 August
Climate normal for this date — 60-year average.
0Simi Valley, Tuesday, 25 August
Climate normal for this date — 60-year average.
0Simi Valley, Wednesday, 26 August
Climate normal for this date — 60-year average.
0Simi Valley, Thursday, 27 August
Climate normal for this date — 60-year average.
0Simi Valley, Friday, 28 August
Climate normal for this date — 60-year average.
0Simi Valley, Saturday, 29 August
Climate normal for this date — 60-year average.
0Simi Valley, Sunday, 30 August
Climate normal for this date — 60-year average.
0Simi Valley, Monday, 31 August
Climate normal for this date — 60-year average.
0Simi Valley, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.02Simi Valley, Wednesday, 2 September
Climate normal for this date — 60-year average.
0Simi Valley, Thursday, 3 September
Climate normal for this date — 60-year average.
0.01Simi Valley, Friday, 4 September
Climate normal for this date — 60-year average.
0.02Simi Valley, Saturday, 5 September
Climate normal for this date — 60-year average.
0.01Simi Valley, Sunday, 6 September
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
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 Simi 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.
What does "above normal" mean?
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.
Where do the 66-year records come from?
They are real temperature extremes recorded in Simi Valley, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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