Weather in North Tustin, CA
North Tustin, Sunday, 9 August, 11:50
Clear. Feels like 90°. High 91°, low 72°.
Monthly outlook for North Tustin, CA: average high 86.9°, average low 70.9°. That is 2.8° above the climate normal for August. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 10 August (93.4°), the coolest 15 August (66.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.9° | 82° | +1.6° |
| 19 August – 28 August | 90.3° | 82.5° | +4.3° |
| 29 August – 7 September | at normal | 83.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Tustin (2 mi).
0
North Tustin, Monday, 10 August
Overcast. High 93°, low 69°.
0North Tustin, Tuesday, 11 August
Overcast. High 87°, low 69°.
0
North Tustin, Wednesday, 12 August
Mostly clear. High 85°, low 71°.
0
North Tustin, Thursday, 13 August
Partly cloudy. High 79°, low 69°.
0North Tustin, Friday, 14 August
Mostly clear. High 81°, low 66°.
0North Tustin, Saturday, 15 August
Overcast. High 81°, low 66°.
0North Tustin, Sunday, 16 August
Clear. High 82°, low 69°.
0North Tustin, Monday, 17 August
Clear. High 83°, low 67°.
0North Tustin, Tuesday, 18 August
Clear. High 85°, low 67°.
0North Tustin, Wednesday, 19 August
Overcast. High 90°, low 71°.
0.03
North Tustin, Thursday, 20 August
Light rain. High 93°, low 75°.
0.08North Tustin, Friday, 21 August
Light rain. High 92°, low 77°.
0North Tustin, Saturday, 22 August
Overcast. High 90°, low 77°.
0North Tustin, Sunday, 23 August
Mostly clear. High 87°, low 74°.
0North Tustin, Monday, 24 August
Mostly clear. High 90°, low 73°.
0North Tustin, Tuesday, 25 August
Climate normal for this date — 60-year average.
0North Tustin, Wednesday, 26 August
Climate normal for this date — 60-year average.
0North Tustin, Thursday, 27 August
Climate normal for this date — 60-year average.
0North Tustin, Friday, 28 August
Climate normal for this date — 60-year average.
0North Tustin, Saturday, 29 August
Climate normal for this date — 60-year average.
0North Tustin, Sunday, 30 August
Climate normal for this date — 60-year average.
0North Tustin, Monday, 31 August
Climate normal for this date — 60-year average.
0.02North Tustin, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.01North Tustin, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.01North Tustin, Thursday, 3 September
Climate normal for this date — 60-year average.
0North Tustin, Friday, 4 September
Climate normal for this date — 60-year average.
0.01North Tustin, Saturday, 5 September
Climate normal for this date — 60-year average.
0.01North Tustin, Sunday, 6 September
Climate normal for this date — 60-year average.
0North Tustin, Monday, 7 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 North Tustin, 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 North Tustin, 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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