Weather in Lewisville, WA
Lewisville, Sunday, 9 August, 07:26
Partly cloudy. Feels like 54°. High 83°, low 55°.
Monthly outlook for Lewisville, WA: average high 89.3°, average low 54.2°. That is 5.6° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 2 days and 0.7 inches. The warmest day looks like 24 August (102.7°), the coolest 11 August (49.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86° | 80.3° | +3.1° |
| 19 August – 28 August | 94.8° | 77.8° | +9.5° |
| 29 August – 7 September | at normal | 75.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Hockinson (6 mi).
0
Lewisville, Monday, 10 August
Clear. High 82°, low 52°.
0Lewisville, Tuesday, 11 August
Clear. High 85°, low 49°.
0
Lewisville, Wednesday, 12 August
Mostly clear. High 82°, low 53°.
0Lewisville, Thursday, 13 August
Clear. High 89°, low 51°.
0
Lewisville, Friday, 14 August
Overcast. High 89°, low 54°.
0Lewisville, Saturday, 15 August
Overcast. High 87°, low 54°.
0Lewisville, Sunday, 16 August
Mostly clear. High 89°, low 55°.
0Lewisville, Monday, 17 August
Clear. High 85°, low 53°.
0Lewisville, Tuesday, 18 August
Clear. High 88°, low 51°.
0Lewisville, Wednesday, 19 August
Clear. High 93°, low 57°.
0Lewisville, Thursday, 20 August
Clear. High 91°, low 57°.
0Lewisville, Friday, 21 August
Clear. High 91°, low 54°.
0Lewisville, Saturday, 22 August
Clear. High 94°, low 56°.
0Lewisville, Sunday, 23 August
Clear. High 98°, low 57°.
0Lewisville, Monday, 24 August
Partly cloudy. High 103°, low 60°.
0.07Lewisville, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.03Lewisville, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.06Lewisville, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04Lewisville, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Lewisville, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Lewisville, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Lewisville, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Lewisville, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Lewisville, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Lewisville, Thursday, 3 September
Climate normal for this date — 60-year average.
0.04Lewisville, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Lewisville, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Lewisville, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06Lewisville, 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 Lewisville, WA 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 Lewisville, WA 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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