Weather in Summerlin South, NV
Summerlin South, Sunday, 9 August, 04:03
Overcast. Feels like 86°. High 108°, low 86°.
Monthly outlook for Summerlin South, NV: average high 95.5°, average low 78.9°. That is 1.4° below the climate normal for August. Precipitation is expected on 2 days (about 1.5 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 10 August (108.4°), the coolest 21 August (71.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 97° | 98.8° | -1° |
| 19 August – 28 August | 93.1° | 96.8° | -2.1° |
| 29 August – 7 September | at normal | 96.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Las Vegas (8 mi).
0Summerlin South, Monday, 10 August
Overcast. High 108°, low 83°.
0.07
Summerlin South, Tuesday, 11 August
Light rain. High 98°, low 82°.
0.02Summerlin South, Wednesday, 12 August
Light rain. High 99°, low 81°.
0.02Summerlin South, Thursday, 13 August
Light rain. High 93°, low 80°.
0Summerlin South, Friday, 14 August
Overcast. High 93°, low 80°.
0.01Summerlin South, Saturday, 15 August
Light rain. High 90°, low 77°.
0Summerlin South, Sunday, 16 August
Overcast. High 91°, low 77°.
0
Summerlin South, Monday, 17 August
Mostly clear. High 93°, low 78°.
0Summerlin South, Tuesday, 18 August
Overcast. High 96°, low 79°.
0.02Summerlin South, Wednesday, 19 August
Light rain. High 97°, low 75°.
1.33Summerlin South, Thursday, 20 August
Heavy rain. High 90°, low 72°.
0.01Summerlin South, Friday, 21 August
Light rain. High 89°, low 71°.
0
Summerlin South, Saturday, 22 August
Clear. High 93°, low 79°.
0Summerlin South, Sunday, 23 August
Clear. High 94°, low 81°.
0Summerlin South, Monday, 24 August
Clear. High 96°, low 81°.
0.01Summerlin South, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.01Summerlin South, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.01Summerlin South, Thursday, 27 August
Climate normal for this date — 60-year average.
0Summerlin South, Friday, 28 August
Climate normal for this date — 60-year average.
0Summerlin South, Saturday, 29 August
Climate normal for this date — 60-year average.
0.01Summerlin South, Sunday, 30 August
Climate normal for this date — 60-year average.
0.01Summerlin South, Monday, 31 August
Climate normal for this date — 60-year average.
0.02Summerlin South, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.01Summerlin South, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.01Summerlin South, Thursday, 3 September
Climate normal for this date — 60-year average.
0Summerlin South, Friday, 4 September
Climate normal for this date — 60-year average.
0.01Summerlin South, Saturday, 5 September
Climate normal for this date — 60-year average.
0.01Summerlin South, Sunday, 6 September
Climate normal for this date — 60-year average.
0.01Summerlin South, 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 Summerlin South, NV 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 Summerlin South, NV 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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