Weather in Hartline, WA
Hartline, Sunday, 18 October, 16:22
Overcast. Feels like 56°. High 59°, low 33°.
Monthly outlook for Hartline, WA: average high 53.2°, average low 35.9°. That is 0.2° above the climate normal for October. Precipitation is expected on 0 days (about 0.1 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 21 October (67.2°), the coolest 29 October (31.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 56.9° | 55° | +1° |
| 28 October – 6 November | 47.1° | 48.5° | -0.8° |
| 7 November – 16 November | at normal | 44.5° | — |
October records over 66 years
0Hartline, Monday, 19 October
Overcast. High 60°, low 39°.
0
Hartline, Tuesday, 20 October
Clear. High 67°, low 40°.
0
Hartline, Wednesday, 21 October
Partly cloudy. High 67°, low 45°.
0Hartline, Thursday, 22 October
Partly cloudy. High 63°, low 46°.
0Hartline, Friday, 23 October
Clear. High 55°, low 40°.
0.02
Hartline, Saturday, 24 October
Light rain. High 52°, low 33°.
0Hartline, Sunday, 25 October
Overcast. High 47°, low 36°.
0Hartline, Monday, 26 October
Partly cloudy. High 50°, low 33°.
0.03Hartline, Tuesday, 27 October
Light rain. High 49°, low 32°.
0.01Hartline, Wednesday, 28 October
Light rain. High 43°, low 35°.
0Hartline, Thursday, 29 October
Clear. High 45°, low 31°.
0Hartline, Friday, 30 October
Clear. High 48°, low 32°.
0Hartline, Saturday, 31 October
Overcast. High 49°, low 33°.
0
Hartline, Sunday, 1 November
Mostly clear. High 49°, low 32°.
0Hartline, Monday, 2 November
Overcast. High 49°, low 34°.
0.04Hartline, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.08
Hartline, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Hartline, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Hartline, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Hartline, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Hartline, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Hartline, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Hartline, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Hartline, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Hartline, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Hartline, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Hartline, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Hartline, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Hartline, Monday, 16 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 Hartline, 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 Hartline, 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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