Weather in Renton, WA
Renton, Saturday, 8 August, 16:10
Overcast. Feels like 85°. High 85°, low 58°.
Monthly outlook for Renton, WA: average high 82.8°, average low 58.9°. That is 3.5° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 17 August (90°), the coolest 9 August (54°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 82.3° | 77.3° | +2.8° |
| 18 August – 27 August | 83.6° | 74.8° | +4.9° |
| 28 August – 6 September | at normal | 72.9° | — |
August records over 66 years
0
Renton, Sunday, 9 August
Mostly clear. High 78°, low 54°.
0
Renton, Monday, 10 August
Clear. High 84°, low 54°.
0Renton, Tuesday, 11 August
Clear. High 86°, low 57°.
0Renton, Wednesday, 12 August
Overcast. High 72°, low 62°.
0.01
Renton, Thursday, 13 August
Light rain. High 79°, low 59°.
0Renton, Friday, 14 August
Overcast. High 81°, low 57°.
0Renton, Saturday, 15 August
Overcast. High 81°, low 59°.
0Renton, Sunday, 16 August
Overcast. High 86°, low 59°.
0Renton, Monday, 17 August
Overcast. High 90°, low 61°.
0Renton, Tuesday, 18 August
Overcast. High 86°, low 60°.
0Renton, Wednesday, 19 August
Overcast. High 77°, low 63°.
0Renton, Thursday, 20 August
Overcast. High 85°, low 60°.
0Renton, Friday, 21 August
Mostly clear. High 86°, low 61°.
0Renton, Saturday, 22 August
Overcast. High 82°, low 59°.
0Renton, Sunday, 23 August
Clear. High 85°, low 59°.
0.07
Renton, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Renton, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Renton, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Renton, Thursday, 27 August
Climate normal for this date — 60-year average.
0.04Renton, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Renton, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07
Renton, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Renton, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Renton, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.08Renton, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Renton, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06Renton, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Renton, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Renton, 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 Renton, 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 Renton, 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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