Weather in Washington, IA
Washington, Sunday, 11 October, 16:45
Clear. Feels like 85°. High 86°, low 56°.
Monthly outlook for Washington, IA: average high 64.1°, average low 51.3°. That is 1.4° above the climate normal for October. Precipitation is expected on 7 days (about 3.7 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 12 October (86.9°), the coolest 18 October (36.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 67.4° | 62.6° | +2.7° |
| 21 October – 30 October | 58.6° | 58.7° | -0.1° |
| 31 October – 9 November | at normal | 53.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Chester (7 mi).
0Washington, Monday, 12 October
Clear. High 87°, low 65°.
0.04
Washington, Tuesday, 13 October
Light rain. High 77°, low 63°.
0.29Washington, Wednesday, 14 October
Rain. High 71°, low 60°.
2.09Washington, Thursday, 15 October
Heavy rain. High 63°, low 59°.
0Washington, Friday, 16 October
Clear. High 58°, low 47°.
0
Washington, Saturday, 17 October
Partly cloudy. High 49°, low 37°.
0Washington, Sunday, 18 October
Clear. High 58°, low 36°.
0Washington, Monday, 19 October
Clear. High 63°, low 42°.
0
Washington, Tuesday, 20 October
Overcast. High 62°, low 52°.
0.37Washington, Wednesday, 21 October
Rain. High 62°, low 59°.
0.07Washington, Thursday, 22 October
Light rain. High 69°, low 62°.
0.57Washington, Friday, 23 October
Rain. High 64°, low 62°.
0.24Washington, Saturday, 24 October
Light rain. High 56°, low 43°.
0Washington, Sunday, 25 October
Overcast. High 51°, low 40°.
0Washington, Monday, 26 October
Clear. High 48°, low 37°.
0.06
Washington, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Washington, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.08Washington, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09
Washington, Friday, 30 October
Climate normal for this date — 60-year average.
0.13Washington, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17Washington, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Washington, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Washington, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11Washington, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Washington, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Washington, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Washington, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Washington, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Washington, Monday, 9 November
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 Washington, IA 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 Washington, IA 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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